Total synthesis of anhydrolycorinone utilizing sequential intramolecular Diels-Alder reactions of a 1,3,4-oxadiazole

Journal of Organic Chemistry

Volumn 67, Issue 21, 2002, Pages 7361-7364

  Wolkenberg, Scott E ^a   Boger, Dale L ^a  

^a SCRIPPS RESEARCH INSTITUTE   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

INTRAMOLECULAR REACTIONS;

BENZENE; SUBSTITUTION REACTIONS; SYNTHESIS (CHEMICAL);

KETONES;

1,3,4 OXADIAZOLE DERIVATIVE; 2 AMINO 1,3,4 OXADIAZOLE; ANHYDROLYCORINONE; BENZENE; FURAN; NATURAL PRODUCT; UNCLASSIFIED DRUG;

ARTICLE; CHEMICAL REACTION; CYCLOADDITION; REACTION ANALYSIS; SYNTHESIS;

ALKALOIDS; AMARYLLIDACEAE ALKALOIDS; INDICATORS AND REAGENTS; MAGNETIC RESONANCE SPECTROSCOPY; MODELS, MOLECULAR; MOLECULAR CONFORMATION; OXADIAZOLES; PHENANTHRIDINES;

EID: 0037131146     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo020437k     Document Type: Article

References (81)

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9. Boger, D. L.; Coleman, R. S. J. Org. Chem. 1986, 51, 3250. Boger, D. L.; Coleman, R. S. J. Am. Chem. Soc. 1987, 109, 2717. Boger, D. L.; Sakya, S. M. J. Org. Chem. 1988, 53, 1415. Boger, D. L.; Zhang, M. J. Am. Chem. Soc. 1991, 113, 4230. Boger, D. L.; Schaum, R. P.; Garbaccio, R. M. J. Org. Chem. 1998, 63, 6329. For reviews of heterocyclic azadiene Diels-Alder reactions, see: Boger, D. L. Tetrahedron 1983, 39, 2869. Boger, D. L. Chem. Rev. 1986, 86, 781. Boger, D. L. Chemtracts: Org. Chem. 1996, 9, 149. Boger, D. L.; Weinreb, S. M. Hetero Diels-Alder Methodology in Organic Synthesis; Academic: San Diego, 1987.
10. Boger, D. L.; Coleman, R. S. J. Org. Chem. 1986, 51, 3250. Boger, D. L.; Coleman, R. S. J. Am. Chem. Soc. 1987, 109, 2717. Boger, D. L.; Sakya, S. M. J. Org. Chem. 1988, 53, 1415. Boger, D. L.; Zhang, M. J. Am. Chem. Soc. 1991, 113, 4230. Boger, D. L.; Schaum, R. P.; Garbaccio, R. M. J. Org. Chem. 1998, 63, 6329. For reviews of heterocyclic azadiene Diels-Alder reactions, see: Boger, D. L. Tetrahedron 1983, 39, 2869. Boger, D. L. Chem. Rev. 1986, 86, 781. Boger, D. L. Chemtracts: Org. Chem. 1996, 9, 149. Boger, D. L.; Weinreb, S. M. Hetero Diels-Alder Methodology in Organic Synthesis; Academic: San Diego, 1987.
11. Boger, D. L.; Coleman, R. S. J. Org. Chem. 1986, 51, 3250. Boger, D. L.; Coleman, R. S. J. Am. Chem. Soc. 1987, 109, 2717. Boger, D. L.; Sakya, S. M. J. Org. Chem. 1988, 53, 1415. Boger, D. L.; Zhang, M. J. Am. Chem. Soc. 1991, 113, 4230. Boger, D. L.; Schaum, R. P.; Garbaccio, R. M. J. Org. Chem. 1998, 63, 6329. For reviews of heterocyclic azadiene Diels-Alder reactions, see: Boger, D. L. Tetrahedron 1983, 39, 2869. Boger, D. L. Chem. Rev. 1986, 86, 781. Boger, D. L. Chemtracts: Org. Chem. 1996, 9, 149. Boger, D. L.; Weinreb, S. M. Hetero Diels-Alder Methodology in Organic Synthesis; Academic: San Diego, 1987.
12. Boger, D. L.; Coleman, R. S. J. Org. Chem. 1986, 51, 3250. Boger, D. L.; Coleman, R. S. J. Am. Chem. Soc. 1987, 109, 2717. Boger, D. L.; Sakya, S. M. J. Org. Chem. 1988, 53, 1415. Boger, D. L.; Zhang, M. J. Am. Chem. Soc. 1991, 113, 4230. Boger, D. L.; Schaum, R. P.; Garbaccio, R. M. J. Org. Chem. 1998, 63, 6329. For reviews of heterocyclic azadiene Diels-Alder reactions, see: Boger, D. L. Tetrahedron 1983, 39, 2869. Boger, D. L. Chem. Rev. 1986, 86, 781. Boger, D. L. Chemtracts: Org. Chem. 1996, 9, 149. Boger, D. L.; Weinreb, S. M. Hetero Diels-Alder Methodology in Organic Synthesis; Academic: San Diego, 1987.
13. Boger, D. L.; Coleman, R. S. J. Org. Chem. 1986, 51, 3250. Boger, D. L.; Coleman, R. S. J. Am. Chem. Soc. 1987, 109, 2717. Boger, D. L.; Sakya, S. M. J. Org. Chem. 1988, 53, 1415. Boger, D. L.; Zhang, M. J. Am. Chem. Soc. 1991, 113, 4230. Boger, D. L.; Schaum, R. P.; Garbaccio, R. M. J. Org. Chem. 1998, 63, 6329. For reviews of heterocyclic azadiene Diels-Alder reactions, see: Boger, D. L. Tetrahedron 1983, 39, 2869. Boger, D. L. Chem. Rev. 1986, 86, 781. Boger, D. L. Chemtracts: Org. Chem. 1996, 9, 149. Boger, D. L.; Weinreb, S. M. Hetero Diels-Alder Methodology in Organic Synthesis; Academic: San Diego, 1987.
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15. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
16. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
17. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
18. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
19. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
20. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
21. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
22. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
23. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
24. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
25. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
26. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
27. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
28. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
29. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
30. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
31. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
32. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
33. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
34. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
35. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
36. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
37. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
38. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.;
39. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
40. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
41. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
42. N-Alkylation, Diels-Alder reaction: Hayakawa, K.; Yasukouchi, T.; Kanematsu, K. Tetrahedron Lett. 1987, 28, 5895. González, C.; Pére, D.; Guitián, E.; Castedo, L. J. Org. Chem. 1995, 60, 6318. Pérez, D.; Burés, G.; Guitián, E.; Castedo, L. J. Org. Chem. 1996, 61, 1650. Metal-catalyzed [2 + 2 + 2] cycloaddition: Grotjahn, D. B.; Vollhardt, K. P. C. Synthesis 1993, 579. N-Alkylation, electrophilic aromatic substitution: Benington, F.; Morin, R. D. J. Org. Chem. 1962, 27, 142. Olson, D. R.; Wheeler, W. J.; Wells, J. N. J. Med. Chem. 1974, 17, 167. Bunnell, A. E.; Flippin, L. A.; Liu, Y. J. Org. Chem. 1997, 62, 9305. N-Alkylation, metal-catalyzed ring closure: Carruthers, W.; Evans, N. J. Chem. Soc., Perkin Trans. 1 1974, 1523. Onaka, T.; Kanda, Y.; Natsume, M. Tetrahedron Lett. 1974, 15, 1179. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron Lett. 1989, 30, 5807. Grigg, R.; Teasdale, A.; Sridharan, V. Tetrahedron Lett. 1991, 32, 3859. Black, D. St. C.; Keller, P. A.; Kumar, N. Tetrahedron 1993, 49, 151. Sakamoto, T.; Yasuhara, A.; Kondo, Y.; Yamanaka, H. Heterocycles 1993, 36, 2597. Harrowven, D. C.; Lai, D.; Lucas, M. C. Synthesis 1999, 1300. Miki, Y.; Shirokoshi, H.; Matsushita, K. Tetrahedron Lett. 1999, 40, 4347. N-Alkylation, radical ring closure: Hara, H.; Hoshino, O.; Umezawa, B. Tetrahedron Lett. 1972, 13, 5031. Iida, H.; Yuasa, Y.; Kibayashi, C. J. Chem. Soc., Chem. Commun. 1978, 766. Zee-Cheng, R. K.-Y.; Yan, S.-J.; Cheng, C. C. J. Med. Chem. 1978, 21, 199. Lauk, U.; Dürst, D.; Fischer, W. Tetrahedron Lett. 1991, 32, 65. Xiong, Y.; Moore, H. W. J. Org. Chem. 1996, 61, 9168. Tsuge, O.; Hatta, T.; Tsuchiyama, H. Chem. Lett. 1998, 155. Biaryl formation, N-alkylation: Prabhakar, S.; Lobo, A. M.; Marques, M. M. J. Chem. Res., Synop. 1987, 167. Siddiqui, M. A.; Snieckus, V. Tetrahedron Lett. 1990, 31, 1523. Parnes, J. S.; Carter, D. S.; Kurz, L. J.; Flippin, L. A. J. Org. Chem. 1994, 59, 3497. Iwao, M.; Takehara, H.; Obata, S.; Watanabe, M. Heterocycles 1994, 38, 1717. Banwell, M. G.; Bissett, B. D.; Busato, S.; Cowden, C. J.; Hockless, D. C. R.; Holman, J. W.; Read, R. W.; Wu, A. W. J. Chem. Soc., Chem. Commun. 1995, 2551. Hutchings, R. H.; Meyers, A. I. J. Org. Chem. 1996, 61, 1004. Stark, L. M.; Lin, X.-F.; Flippin, L. A. J. Org. Chem. 2000, 65, 3227.
43. Padwa, A.; Dimitroff, M.; Waterson, A. G.; Wu, T. J. Org. Chem. 1998, 63, 3986.
44. A similar sequential cycloaddition strategy has been described employing a substituted oxazole: Padwa, A.; Brodney, M. A.; Liu, B.; Satake, K.; Wu, T. J. Org. Chem. 1999, 64, 3595.
45. Vasiliev, N. V.; Lyashenko, Y. E.; Kolomiets, A. F.; Sokolskii, G. A. Khim. Geterotsikl. Soedin. 1987, 562. Vasiliev, N. V.; Lyashenko, Y. E.; Galakhov, M. V.; Kolomiets, A. F.; Gontar, A. F.; Sokolskii, G. A. Khim. Geterotsikl. Soedin. 1990, 95. Vasilíev, N. V.; Lyashenko, Y. E.; Patalakha, A. E.; Sokolskii, G. A. J. Fluorine Chem. 1993, 65, 227. Thalhammer, F.; Wallfahrer, U.; Sauer, J. Tetrahedron Lett. 1988, 29, 3231. Seitz, G.; Gerninghaus, C. H. Pharmazie 1994, 49, 102. Seitz, G.; Wassmuth, H. Chem.-Ztg. 1988, 112, 80. Review: Warrener, R. N. Eur. J. Org. Chem. 2000, 3363. Warrener, R. N.; Margetic, D.; Foley, P. J.; Butler, D. N.; Winling, A.; Beales, K. A.; Russell, R. A. Tetrahedron 2001, 57, 571. Warrener, R. N.; Wang, S.; Maksimovic, L.; Tepperman, P. M.; Butler, D. N. Tetrahedron Lett. 1995, 36, 6141. Warrener, R. N.; Elsey, G. M.; Russell, R. A.; Tiekink, E. R. T. Tetrahedron Lett. 1995, 36, 5275. Warrener, R. N.; Maksimovic, L.; Butler, D. N. J. Chem. Soc., Chem. Commun. 1994, 1831. Warrener, R. N.; Butler, D. N.; Liao, W. Y.; Pitt, I. G.; Russell, R. A. Tetrahedron Lett. 1991, 32, 1889. Warrener, R. N.; Groundwater, P.; Pitt, I. G.; Butler, D. N.; Russell, R. A. Tetrahedron Lett. 1991, 32, 1885. Warrener, R. N.; Margetic, D.; Tiekink, E. R. T.; Russell, R. A. Synlett 1997, 196.
46. Vasiliev, N. V.; Lyashenko, Y. E.; Kolomiets, A. F.; Sokolskii, G. A. Khim. Geterotsikl. Soedin. 1987, 562. Vasiliev, N. V.; Lyashenko, Y. E.; Galakhov, M. V.; Kolomiets, A. F.; Gontar, A. F.; Sokolskii, G. A. Khim. Geterotsikl. Soedin. 1990, 95. Vasilíev, N. V.; Lyashenko, Y. E.; Patalakha, A. E.; Sokolskii, G. A. J. Fluorine Chem. 1993, 65, 227. Thalhammer, F.; Wallfahrer, U.; Sauer, J. Tetrahedron Lett. 1988, 29, 3231. Seitz, G.; Gerninghaus, C. H. Pharmazie 1994, 49, 102. Seitz, G.; Wassmuth, H. Chem.-Ztg. 1988, 112, 80. Review: Warrener, R. N. Eur. J. Org. Chem. 2000, 3363. Warrener, R. N.; Margetic, D.; Foley, P. J.; Butler, D. N.; Winling, A.; Beales, K. A.; Russell, R. A. Tetrahedron 2001, 57, 571. Warrener, R. N.; Wang, S.; Maksimovic, L.; Tepperman, P. M.; Butler, D. N. Tetrahedron Lett. 1995, 36, 6141. Warrener, R. N.; Elsey, G. M.; Russell, R. A.; Tiekink, E. R. T. Tetrahedron Lett. 1995, 36, 5275. Warrener, R. N.; Maksimovic, L.; Butler, D. N. J. Chem. Soc., Chem. Commun. 1994, 1831. Warrener, R. N.; Butler, D. N.; Liao, W. Y.; Pitt, I. G.; Russell, R. A. Tetrahedron Lett. 1991, 32, 1889. Warrener, R. N.; Groundwater, P.; Pitt, I. G.; Butler, D. N.; Russell, R. A. Tetrahedron Lett. 1991, 32, 1885. Warrener, R. N.; Margetic, D.; Tiekink, E. R. T.; Russell, R. A. Synlett 1997, 196.
47. Vasiliev, N. V.; Lyashenko, Y. E.; Kolomiets, A. F.; Sokolskii, G. A. Khim. Geterotsikl. Soedin. 1987, 562. Vasiliev, N. V.; Lyashenko, Y. E.; Galakhov, M. V.; Kolomiets, A. F.; Gontar, A. F.; Sokolskii, G. A. Khim. Geterotsikl. Soedin. 1990, 95. Vasilíev, N. V.; Lyashenko, Y. E.; Patalakha, A. E.; Sokolskii, G. A. J. Fluorine Chem. 1993, 65, 227. Thalhammer, F.; Wallfahrer, U.; Sauer, J. Tetrahedron Lett. 1988, 29, 3231. Seitz, G.; Gerninghaus, C. H. Pharmazie 1994, 49, 102. Seitz, G.; Wassmuth, H. Chem.-Ztg. 1988, 112, 80. Review: Warrener, R. N. Eur. J. Org. Chem. 2000, 3363. Warrener, R. N.; Margetic, D.; Foley, P. J.; Butler, D. N.; Winling, A.; Beales, K. A.; Russell, R. A. Tetrahedron 2001, 57, 571. Warrener, R. N.; Wang, S.; Maksimovic, L.; Tepperman, P. M.; Butler, D. N. Tetrahedron Lett. 1995, 36, 6141. Warrener, R. N.; Elsey, G. M.; Russell, R. A.; Tiekink, E. R. T. Tetrahedron Lett. 1995, 36, 5275. Warrener, R. N.; Maksimovic, L.; Butler, D. N. J. Chem. Soc., Chem. Commun. 1994, 1831. Warrener, R. N.; Butler, D. N.; Liao, W. Y.; Pitt, I. G.; Russell, R. A. Tetrahedron Lett. 1991, 32, 1889. Warrener, R. N.; Groundwater, P.; Pitt, I. G.; Butler, D. N.; Russell, R. A. Tetrahedron Lett. 1991, 32, 1885. Warrener, R. N.; Margetic, D.; Tiekink, E. R. T.; Russell, R. A. Synlett 1997, 196.
48. Vasiliev, N. V.; Lyashenko, Y. E.; Kolomiets, A. F.; Sokolskii, G. A. Khim. Geterotsikl. Soedin. 1987, 562. Vasiliev, N. V.; Lyashenko, Y. E.; Galakhov, M. V.; Kolomiets, A. F.; Gontar, A. F.; Sokolskii, G. A. Khim. Geterotsikl. Soedin. 1990, 95. Vasilíev, N. V.; Lyashenko, Y. E.; Patalakha, A. E.; Sokolskii, G. A. J. Fluorine Chem. 1993, 65, 227. Thalhammer, F.; Wallfahrer, U.; Sauer, J. Tetrahedron Lett. 1988, 29, 3231. Seitz, G.; Gerninghaus, C. H. Pharmazie 1994, 49, 102. Seitz, G.; Wassmuth, H. Chem.-Ztg. 1988, 112, 80. Review: Warrener, R. N. Eur. J. Org. Chem. 2000, 3363. Warrener, R. N.; Margetic, D.; Foley, P. J.; Butler, D. N.; Winling, A.; Beales, K. A.; Russell, R. A. Tetrahedron 2001, 57, 571. Warrener, R. N.; Wang, S.; Maksimovic, L.; Tepperman, P. M.; Butler, D. N. Tetrahedron Lett. 1995, 36, 6141. Warrener, R. N.; Elsey, G. M.; Russell, R. A.; Tiekink, E. R. T. Tetrahedron Lett. 1995, 36, 5275. Warrener, R. N.; Maksimovic, L.; Butler, D. N. J. Chem. Soc., Chem. Commun. 1994, 1831. Warrener, R. N.; Butler, D. N.; Liao, W. Y.; Pitt, I. G.; Russell, R. A. Tetrahedron Lett. 1991, 32, 1889. Warrener, R. N.; Groundwater, P.; Pitt, I. G.; Butler, D. N.; Russell, R. A. Tetrahedron Lett. 1991, 32, 1885. Warrener, R. N.; Margetic, D.; Tiekink, E. R. T.; Russell, R. A. Synlett 1997, 196.
49. Vasiliev, N. V.; Lyashenko, Y. E.; Kolomiets, A. F.; Sokolskii, G. A. Khim. Geterotsikl. Soedin. 1987, 562. Vasiliev, N. V.; Lyashenko, Y. E.; Galakhov, M. V.; Kolomiets, A. F.; Gontar, A. F.; Sokolskii, G. A. Khim. Geterotsikl. Soedin. 1990, 95. Vasilíev, N. V.; Lyashenko, Y. E.; Patalakha, A. E.; Sokolskii, G. A. J. Fluorine Chem. 1993, 65, 227. Thalhammer, F.; Wallfahrer, U.; Sauer, J. Tetrahedron Lett. 1988, 29, 3231. Seitz, G.; Gerninghaus, C. H. Pharmazie 1994, 49, 102. Seitz, G.; Wassmuth, H. Chem.-Ztg. 1988, 112, 80. Review: Warrener, R. N. Eur. J. Org. Chem. 2000, 3363. Warrener, R. N.; Margetic, D.; Foley, P. J.; Butler, D. N.; Winling, A.; Beales, K. A.; Russell, R. A. Tetrahedron 2001, 57, 571. Warrener, R. N.; Wang, S.; Maksimovic, L.; Tepperman, P. M.; Butler, D. N. Tetrahedron Lett. 1995, 36, 6141. Warrener, R. N.; Elsey, G. M.; Russell, R. A.; Tiekink, E. R. T. Tetrahedron Lett. 1995, 36, 5275. Warrener, R. N.; Maksimovic, L.; Butler, D. N. J. Chem. Soc., Chem. Commun. 1994, 1831. Warrener, R. N.; Butler, D. N.; Liao, W. Y.; Pitt, I. G.; Russell, R. A. Tetrahedron Lett. 1991, 32, 1889. Warrener, R. N.; Groundwater, P.; Pitt, I. G.; Butler, D. N.; Russell, R. A. Tetrahedron Lett. 1991, 32, 1885. Warrener, R. N.; Margetic, D.; Tiekink, E. R. T.; Russell, R. A. Synlett 1997, 196.
50. Vasiliev, N. V.; Lyashenko, Y. E.; Kolomiets, A. F.; Sokolskii, G. A. Khim. Geterotsikl. Soedin. 1987, 562. Vasiliev, N. V.; Lyashenko, Y. E.; Galakhov, M. V.; Kolomiets, A. F.; Gontar, A. F.; Sokolskii, G. A. Khim. Geterotsikl. Soedin. 1990, 95. Vasilíev, N. V.; Lyashenko, Y. E.; Patalakha, A. E.; Sokolskii, G. A. J. Fluorine Chem. 1993, 65, 227. Thalhammer, F.; Wallfahrer, U.; Sauer, J. Tetrahedron Lett. 1988, 29, 3231. Seitz, G.; Gerninghaus, C. H. Pharmazie 1994, 49, 102. Seitz, G.; Wassmuth, H. Chem.-Ztg. 1988, 112, 80. Review: Warrener, R. N. Eur. J. Org. Chem. 2000, 3363. Warrener, R. N.; Margetic, D.; Foley, P. J.; Butler, D. N.; Winling, A.; Beales, K. A.; Russell, R. A. Tetrahedron 2001, 57, 571. Warrener, R. N.; Wang, S.; Maksimovic, L.; Tepperman, P. M.; Butler, D. N. Tetrahedron Lett. 1995, 36, 6141. Warrener, R. N.; Elsey, G. M.; Russell, R. A.; Tiekink, E. R. T. Tetrahedron Lett. 1995, 36, 5275. Warrener, R. N.; Maksimovic, L.; Butler, D. N. J. Chem. Soc., Chem. Commun. 1994, 1831. Warrener, R. N.; Butler, D. N.; Liao, W. Y.; Pitt, I. G.; Russell, R. A. Tetrahedron Lett. 1991, 32, 1889. Warrener, R. N.; Groundwater, P.; Pitt, I. G.; Butler, D. N.; Russell, R. A. Tetrahedron Lett. 1991, 32, 1885. Warrener, R. N.; Margetic, D.; Tiekink, E. R. T.; Russell, R. A. Synlett 1997, 196.
51. Vasiliev, N. V.; Lyashenko, Y. E.; Kolomiets, A. F.; Sokolskii, G. A. Khim. Geterotsikl. Soedin. 1987, 562. Vasiliev, N. V.; Lyashenko, Y. E.; Galakhov, M. V.; Kolomiets, A. F.; Gontar, A. F.; Sokolskii, G. A. Khim. Geterotsikl. Soedin. 1990, 95. Vasilíev, N. V.; Lyashenko, Y. E.; Patalakha, A. E.; Sokolskii, G. A. J. Fluorine Chem. 1993, 65, 227. Thalhammer, F.; Wallfahrer, U.; Sauer, J. Tetrahedron Lett. 1988, 29, 3231. Seitz, G.; Gerninghaus, C. H. Pharmazie 1994, 49, 102. Seitz, G.; Wassmuth, H. Chem.-Ztg. 1988, 112, 80. Review: Warrener, R. N. Eur. J. Org. Chem. 2000, 3363. Warrener, R. N.; Margetic, D.; Foley, P. J.; Butler, D. N.; Winling, A.; Beales, K. A.; Russell, R. A. Tetrahedron 2001, 57, 571. Warrener, R. N.; Wang, S.; Maksimovic, L.; Tepperman, P. M.; Butler, D. N. Tetrahedron Lett. 1995, 36, 6141. Warrener, R. N.; Elsey, G. M.; Russell, R. A.; Tiekink, E. R. T. Tetrahedron Lett. 1995, 36, 5275. Warrener, R. N.; Maksimovic, L.; Butler, D. N. J. Chem. Soc., Chem. Commun. 1994, 1831. Warrener, R. N.; Butler, D. N.; Liao, W. Y.; Pitt, I. G.; Russell, R. A. Tetrahedron Lett. 1991, 32, 1889. Warrener, R. N.; Groundwater, P.; Pitt, I. G.; Butler, D. N.; Russell, R. A. Tetrahedron Lett. 1991, 32, 1885. Warrener, R. N.; Margetic, D.; Tiekink, E. R. T.; Russell, R. A. Synlett 1997, 196.
52. Vasiliev, N. V.; Lyashenko, Y. E.; Kolomiets, A. F.; Sokolskii, G. A. Khim. Geterotsikl. Soedin. 1987, 562. Vasiliev, N. V.; Lyashenko, Y. E.; Galakhov, M. V.; Kolomiets, A. F.; Gontar, A. F.; Sokolskii, G. A. Khim. Geterotsikl. Soedin. 1990, 95. Vasilíev, N. V.; Lyashenko, Y. E.; Patalakha, A. E.; Sokolskii, G. A. J. Fluorine Chem. 1993, 65, 227. Thalhammer, F.; Wallfahrer, U.; Sauer, J. Tetrahedron Lett. 1988, 29, 3231. Seitz, G.; Gerninghaus, C. H. Pharmazie 1994, 49, 102. Seitz, G.; Wassmuth, H. Chem.-Ztg. 1988, 112, 80. Review: Warrener, R. N. Eur. J. Org. Chem. 2000, 3363. Warrener, R. N.; Margetic, D.; Foley, P. J.; Butler, D. N.; Winling, A.; Beales, K. A.; Russell, R. A. Tetrahedron 2001, 57, 571. Warrener, R. N.; Wang, S.; Maksimovic, L.; Tepperman, P. M.; Butler, D. N. Tetrahedron Lett. 1995, 36, 6141. Warrener, R. N.; Elsey, G. M.; Russell, R. A.; Tiekink, E. R. T. Tetrahedron Lett. 1995, 36, 5275. Warrener, R. N.; Maksimovic, L.; Butler, D. N. J. Chem. Soc., Chem. Commun. 1994, 1831. Warrener, R. N.; Butler, D. N.; Liao, W. Y.; Pitt, I. G.; Russell, R. A. Tetrahedron Lett. 1991, 32, 1889. Warrener, R. N.; Groundwater, P.; Pitt, I. G.; Butler, D. N.; Russell, R. A. Tetrahedron Lett. 1991, 32, 1885. Warrener, R. N.; Margetic, D.; Tiekink, E. R. T.; Russell, R. A. Synlett 1997, 196.
53. Vasiliev, N. V.; Lyashenko, Y. E.; Kolomiets, A. F.; Sokolskii, G. A. Khim. Geterotsikl. Soedin. 1987, 562. Vasiliev, N. V.; Lyashenko, Y. E.; Galakhov, M. V.; Kolomiets, A. F.; Gontar, A. F.; Sokolskii, G. A. Khim. Geterotsikl. Soedin. 1990, 95. Vasilíev, N. V.; Lyashenko, Y. E.; Patalakha, A. E.; Sokolskii, G. A. J. Fluorine Chem. 1993, 65, 227. Thalhammer, F.; Wallfahrer, U.; Sauer, J. Tetrahedron Lett. 1988, 29, 3231. Seitz, G.; Gerninghaus, C. H. Pharmazie 1994, 49, 102. Seitz, G.; Wassmuth, H. Chem.-Ztg. 1988, 112, 80. Review: Warrener, R. N. Eur. J. Org. Chem. 2000, 3363. Warrener, R. N.; Margetic, D.; Foley, P. J.; Butler, D. N.; Winling, A.; Beales, K. A.; Russell, R. A. Tetrahedron 2001, 57, 571. Warrener, R. N.; Wang, S.; Maksimovic, L.; Tepperman, P. M.; Butler, D. N. Tetrahedron Lett. 1995, 36, 6141. Warrener, R. N.; Elsey, G. M.; Russell, R. A.; Tiekink, E. R. T. Tetrahedron Lett. 1995, 36, 5275. Warrener, R. N.; Maksimovic, L.; Butler, D. N. J. Chem. Soc., Chem. Commun. 1994, 1831. Warrener, R. N.; Butler, D. N.; Liao, W. Y.; Pitt, I. G.; Russell, R. A. Tetrahedron Lett. 1991, 32, 1889. Warrener, R. N.; Groundwater, P.; Pitt, I. G.; Butler, D. N.; Russell, R. A. Tetrahedron Lett. 1991, 32, 1885. Warrener, R. N.; Margetic, D.; Tiekink, E. R. T.; Russell, R. A. Synlett 1997, 196.
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55. Vasiliev, N. V.; Lyashenko, Y. E.; Kolomiets, A. F.; Sokolskii, G. A. Khim. Geterotsikl. Soedin. 1987, 562. Vasiliev, N. V.; Lyashenko, Y. E.; Galakhov, M. V.; Kolomiets, A. F.; Gontar, A. F.; Sokolskii, G. A. Khim. Geterotsikl. Soedin. 1990, 95. Vasilíev, N. V.; Lyashenko, Y. E.; Patalakha, A. E.; Sokolskii, G. A. J. Fluorine Chem. 1993, 65, 227. Thalhammer, F.; Wallfahrer, U.; Sauer, J. Tetrahedron Lett. 1988, 29, 3231. Seitz, G.; Gerninghaus, C. H. Pharmazie 1994, 49, 102. Seitz, G.; Wassmuth, H. Chem.-Ztg. 1988, 112, 80. Review: Warrener, R. N. Eur. J. Org. Chem. 2000, 3363. Warrener, R. N.; Margetic, D.; Foley, P. J.; Butler, D. N.; Winling, A.; Beales, K. A.; Russell, R. A. Tetrahedron 2001, 57, 571. Warrener, R. N.; Wang, S.; Maksimovic, L.; Tepperman, P. M.; Butler, D. N. Tetrahedron Lett. 1995, 36, 6141. Warrener, R. N.; Elsey, G. M.; Russell, R. A.; Tiekink, E. R. T. Tetrahedron Lett. 1995, 36, 5275. Warrener, R. N.; Maksimovic, L.; Butler, D. N. J. Chem. Soc., Chem. Commun. 1994, 1831. Warrener, R. N.; Butler, D. N.; Liao, W. Y.; Pitt, I. G.; Russell, R. A. Tetrahedron Lett. 1991, 32, 1889. Warrener, R. N.; Groundwater, P.; Pitt, I. G.; Butler, D. N.; Russell, R. A. Tetrahedron Lett. 1991, 32, 1885. Warrener, R. N.; Margetic, D.; Tiekink, E. R. T.; Russell, R. A. Synlett 1997, 196.
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