The palladium-catalyzed reaction of o-alkynyltrifluoroacetanilides with alkyl halides. An entry into 2-substituted 3-alkylindoles

Synlett

Volumn , Issue 3, 2000, Pages 394-396

  Arcadi, Antonio ^a   Cacchi, Sandro ^b   Fabrizi, Giancarlo ^b   Marinelli, Fabio ^a  

^a UNIVERSITY OF L'AQUILA   (Italy)

^b SAPIENZA UNIVERSITY OF ROME   (Italy)

Author keywords

3 alkylindoles; Alkyl halides; Alkynes; Cyclization; Palladium

Indexed keywords

ACETANILIDE DERIVATIVE; ALKYNYL GROUP; BENZYL BROMIDE; HALIDE; INDOLE DERIVATIVE; IODOACETIC ACID; PALLADIUM; SOLVENT;

ALKYLATION; ARTICLE; CATALYSIS; CATALYST; CHEMICAL BOND; CHEMICAL REACTION; CYCLIZATION; REACTION ANALYSIS; TEMPERATURE;

EID: 0034009861     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (26)

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7. Miyashita, K.; Kondoh, K.; Tsuchiya, K.; Miyabe, H.; Imanishi, T. Chem. Pharm. Bull. 1997, 45, 932; Chen, D.; Yu, L.; Wang, P.G. Tetrahedron Lett. 1996, 37, 4467; Depew, K.M.; Danishefsky, S.J.; Rosen, N.; Sepp-Lorenzino, L. J. Am. Chem. Soc. 1996, 118, 12463; Hasegawa, M.; Tabata,M.; Satoh, K.; Yamada, F.; Somei, M. Heterocycles 1996, 43, 2333; Carter, D.S.; Van Vranken, D.L. Tetrahedron Lett. 1996, 37, 5629; Chisholm, J.D.; Van Vranken, D.L. J. Org. Chem. 1995, 60, 6672; Bergman, J.; Koch, E.; Pelcman, B. Tetrahedon Lett. 1995, 36, 3945; Bergman, J.; Koch, E.; Pelcman, B. Tetrahedron 1995, 51, 5631; Guan, X.; Borchardt, R.T. Tetrahedron Lett. 1994, 35, 3013; Fukuyama, T.; Chen, X.; Peng, G. J. Am. Chem. Soc. 1994, 116, 3127; Mocek, U.; Knaggs, A.R.; Tsuchiya, R.; Nguyen, T.; Beale, J.M.; Floss, H.G. J. Am. Chem. Soc. 1993, 115, 7557; Fray, E.B.; Moody, C.J.; Shah, P. Tetrahedron Lett. 1993, 49, 439; Pindur, U.; Erfanian-Abdoust, H. J. Heterocycles 1992, 29, 145; Kawasaki, T.; Nonaka, Y.; Uemera, M.; Sakamoto, M. Synthesis 1991, 701.
8. Miyashita, K.; Kondoh, K.; Tsuchiya, K.; Miyabe, H.; Imanishi, T. Chem. Pharm. Bull. 1997, 45, 932; Chen, D.; Yu, L.; Wang, P.G. Tetrahedron Lett. 1996, 37, 4467; Depew, K.M.; Danishefsky, S.J.; Rosen, N.; Sepp-Lorenzino, L. J. Am. Chem. Soc. 1996, 118, 12463; Hasegawa, M.; Tabata,M.; Satoh, K.; Yamada, F.; Somei, M. Heterocycles 1996, 43, 2333; Carter, D.S.; Van Vranken, D.L. Tetrahedron Lett. 1996, 37, 5629; Chisholm, J.D.; Van Vranken, D.L. J. Org. Chem. 1995, 60, 6672; Bergman, J.; Koch, E.; Pelcman, B. Tetrahedon Lett. 1995, 36, 3945; Bergman, J.; Koch, E.; Pelcman, B. Tetrahedron 1995, 51, 5631; Guan, X.; Borchardt, R.T. Tetrahedron Lett. 1994, 35, 3013; Fukuyama, T.; Chen, X.; Peng, G. J. Am. Chem. Soc. 1994, 116, 3127; Mocek, U.; Knaggs, A.R.; Tsuchiya, R.; Nguyen, T.; Beale, J.M.; Floss, H.G. J. Am. Chem. Soc. 1993, 115, 7557; Fray, E.B.; Moody, C.J.; Shah, P. Tetrahedron Lett. 1993, 49, 439; Pindur, U.; Erfanian-Abdoust, H. J. Heterocycles 1992, 29, 145; Kawasaki, T.; Nonaka, Y.; Uemera, M.; Sakamoto, M. Synthesis 1991, 701.
9. Miyashita, K.; Kondoh, K.; Tsuchiya, K.; Miyabe, H.; Imanishi, T. Chem. Pharm. Bull. 1997, 45, 932; Chen, D.; Yu, L.; Wang, P.G. Tetrahedron Lett. 1996, 37, 4467; Depew, K.M.; Danishefsky, S.J.; Rosen, N.; Sepp-Lorenzino, L. J. Am. Chem. Soc. 1996, 118, 12463; Hasegawa, M.; Tabata,M.; Satoh, K.; Yamada, F.; Somei, M. Heterocycles 1996, 43, 2333; Carter, D.S.; Van Vranken, D.L. Tetrahedron Lett. 1996, 37, 5629; Chisholm, J.D.; Van Vranken, D.L. J. Org. Chem. 1995, 60, 6672; Bergman, J.; Koch, E.; Pelcman, B. Tetrahedon Lett. 1995, 36, 3945; Bergman, J.; Koch, E.; Pelcman, B. Tetrahedron 1995, 51, 5631; Guan, X.; Borchardt, R.T. Tetrahedron Lett. 1994, 35, 3013; Fukuyama, T.; Chen, X.; Peng, G. J. Am. Chem. Soc. 1994, 116, 3127; Mocek, U.; Knaggs, A.R.; Tsuchiya, R.; Nguyen, T.; Beale, J.M.; Floss, H.G. J. Am. Chem. Soc. 1993, 115, 7557; Fray, E.B.; Moody, C.J.; Shah, P. Tetrahedron Lett. 1993, 49, 439; Pindur, U.; Erfanian-Abdoust, H. J. Heterocycles 1992, 29, 145; Kawasaki, T.; Nonaka, Y.; Uemera, M.; Sakamoto, M. Synthesis 1991, 701.
10. Miyashita, K.; Kondoh, K.; Tsuchiya, K.; Miyabe, H.; Imanishi, T. Chem. Pharm. Bull. 1997, 45, 932; Chen, D.; Yu, L.; Wang, P.G. Tetrahedron Lett. 1996, 37, 4467; Depew, K.M.; Danishefsky, S.J.; Rosen, N.; Sepp-Lorenzino, L. J. Am. Chem. Soc. 1996, 118, 12463; Hasegawa, M.; Tabata,M.; Satoh, K.; Yamada, F.; Somei, M. Heterocycles 1996, 43, 2333; Carter, D.S.; Van Vranken, D.L. Tetrahedron Lett. 1996, 37, 5629; Chisholm, J.D.; Van Vranken, D.L. J. Org. Chem. 1995, 60, 6672; Bergman, J.; Koch, E.; Pelcman, B. Tetrahedon Lett. 1995, 36, 3945; Bergman, J.; Koch, E.; Pelcman, B. Tetrahedron 1995, 51, 5631; Guan, X.; Borchardt, R.T. Tetrahedron Lett. 1994, 35, 3013; Fukuyama, T.; Chen, X.; Peng, G. J. Am. Chem. Soc. 1994, 116, 3127; Mocek, U.; Knaggs, A.R.; Tsuchiya, R.; Nguyen, T.; Beale, J.M.; Floss, H.G. J. Am. Chem. Soc. 1993, 115, 7557; Fray, E.B.; Moody, C.J.; Shah, P. Tetrahedron Lett. 1993, 49, 439; Pindur, U.; Erfanian-Abdoust, H. J. Heterocycles 1992, 29, 145; Kawasaki, T.; Nonaka, Y.; Uemera, M.; Sakamoto, M. Synthesis 1991, 701.
11. Miyashita, K.; Kondoh, K.; Tsuchiya, K.; Miyabe, H.; Imanishi, T. Chem. Pharm. Bull. 1997, 45, 932; Chen, D.; Yu, L.; Wang, P.G. Tetrahedron Lett. 1996, 37, 4467; Depew, K.M.; Danishefsky, S.J.; Rosen, N.; Sepp-Lorenzino, L. J. Am. Chem. Soc. 1996, 118, 12463; Hasegawa, M.; Tabata,M.; Satoh, K.; Yamada, F.; Somei, M. Heterocycles 1996, 43, 2333; Carter, D.S.; Van Vranken, D.L. Tetrahedron Lett. 1996, 37, 5629; Chisholm, J.D.; Van Vranken, D.L. J. Org. Chem. 1995, 60, 6672; Bergman, J.; Koch, E.; Pelcman, B. Tetrahedon Lett. 1995, 36, 3945; Bergman, J.; Koch, E.; Pelcman, B. Tetrahedron 1995, 51, 5631; Guan, X.; Borchardt, R.T. Tetrahedron Lett. 1994, 35, 3013; Fukuyama, T.; Chen, X.; Peng, G. J. Am. Chem. Soc. 1994, 116, 3127; Mocek, U.; Knaggs, A.R.; Tsuchiya, R.; Nguyen, T.; Beale, J.M.; Floss, H.G. J. Am. Chem. Soc. 1993, 115, 7557; Fray, E.B.; Moody, C.J.; Shah, P. Tetrahedron Lett. 1993, 49, 439; Pindur, U.; Erfanian-Abdoust, H. J. Heterocycles 1992, 29, 145; Kawasaki, T.; Nonaka, Y.; Uemera, M.; Sakamoto, M. Synthesis 1991, 701.
12. Miyashita, K.; Kondoh, K.; Tsuchiya, K.; Miyabe, H.; Imanishi, T. Chem. Pharm. Bull. 1997, 45, 932; Chen, D.; Yu, L.; Wang, P.G. Tetrahedron Lett. 1996, 37, 4467; Depew, K.M.; Danishefsky, S.J.; Rosen, N.; Sepp-Lorenzino, L. J. Am. Chem. Soc. 1996, 118, 12463; Hasegawa, M.; Tabata,M.; Satoh, K.; Yamada, F.; Somei, M. Heterocycles 1996, 43, 2333; Carter, D.S.; Van Vranken, D.L. Tetrahedron Lett. 1996, 37, 5629; Chisholm, J.D.; Van Vranken, D.L. J. Org. Chem. 1995, 60, 6672; Bergman, J.; Koch, E.; Pelcman, B. Tetrahedon Lett. 1995, 36, 3945; Bergman, J.; Koch, E.; Pelcman, B. Tetrahedron 1995, 51, 5631; Guan, X.; Borchardt, R.T. Tetrahedron Lett. 1994, 35, 3013; Fukuyama, T.; Chen, X.; Peng, G. J. Am. Chem. Soc. 1994, 116, 3127; Mocek, U.; Knaggs, A.R.; Tsuchiya, R.; Nguyen, T.; Beale, J.M.; Floss, H.G. J. Am. Chem. Soc. 1993, 115, 7557; Fray, E.B.; Moody, C.J.; Shah, P. Tetrahedron Lett. 1993, 49, 439; Pindur, U.; Erfanian-Abdoust, H. J. Heterocycles 1992, 29, 145; Kawasaki, T.; Nonaka, Y.; Uemera, M.; Sakamoto, M. Synthesis 1991, 701.
13. Miyashita, K.; Kondoh, K.; Tsuchiya, K.; Miyabe, H.; Imanishi, T. Chem. Pharm. Bull. 1997, 45, 932; Chen, D.; Yu, L.; Wang, P.G. Tetrahedron Lett. 1996, 37, 4467; Depew, K.M.; Danishefsky, S.J.; Rosen, N.; Sepp-Lorenzino, L. J. Am. Chem. Soc. 1996, 118, 12463; Hasegawa, M.; Tabata,M.; Satoh, K.; Yamada, F.; Somei, M. Heterocycles 1996, 43, 2333; Carter, D.S.; Van Vranken, D.L. Tetrahedron Lett. 1996, 37, 5629; Chisholm, J.D.; Van Vranken, D.L. J. Org. Chem. 1995, 60, 6672; Bergman, J.; Koch, E.; Pelcman, B. Tetrahedon Lett. 1995, 36, 3945; Bergman, J.; Koch, E.; Pelcman, B. Tetrahedron 1995, 51, 5631; Guan, X.; Borchardt, R.T. Tetrahedron Lett. 1994, 35, 3013; Fukuyama, T.; Chen, X.; Peng, G. J. Am. Chem. Soc. 1994, 116, 3127; Mocek, U.; Knaggs, A.R.; Tsuchiya, R.; Nguyen, T.; Beale, J.M.; Floss, H.G. J. Am. Chem. Soc. 1993, 115, 7557; Fray, E.B.; Moody, C.J.; Shah, P. Tetrahedron Lett. 1993, 49, 439; Pindur, U.; Erfanian-Abdoust, H. J. Heterocycles 1992, 29, 145; Kawasaki, T.; Nonaka, Y.; Uemera, M.; Sakamoto, M. Synthesis 1991, 701.
14. Miyashita, K.; Kondoh, K.; Tsuchiya, K.; Miyabe, H.; Imanishi, T. Chem. Pharm. Bull. 1997, 45, 932; Chen, D.; Yu, L.; Wang, P.G. Tetrahedron Lett. 1996, 37, 4467; Depew, K.M.; Danishefsky, S.J.; Rosen, N.; Sepp-Lorenzino, L. J. Am. Chem. Soc. 1996, 118, 12463; Hasegawa, M.; Tabata,M.; Satoh, K.; Yamada, F.; Somei, M. Heterocycles 1996, 43, 2333; Carter, D.S.; Van Vranken, D.L. Tetrahedron Lett. 1996, 37, 5629; Chisholm, J.D.; Van Vranken, D.L. J. Org. Chem. 1995, 60, 6672; Bergman, J.; Koch, E.; Pelcman, B. Tetrahedon Lett. 1995, 36, 3945; Bergman, J.; Koch, E.; Pelcman, B. Tetrahedron 1995, 51, 5631; Guan, X.; Borchardt, R.T. Tetrahedron Lett. 1994, 35, 3013; Fukuyama, T.; Chen, X.; Peng, G. J. Am. Chem. Soc. 1994, 116, 3127; Mocek, U.; Knaggs, A.R.; Tsuchiya, R.; Nguyen, T.; Beale, J.M.; Floss, H.G. J. Am. Chem. Soc. 1993, 115, 7557; Fray, E.B.; Moody, C.J.; Shah, P. Tetrahedron Lett. 1993, 49, 439; Pindur, U.; Erfanian-Abdoust, H. J. Heterocycles 1992, 29, 145; Kawasaki, T.; Nonaka, Y.; Uemera, M.; Sakamoto, M. Synthesis 1991, 701.
15. Miyashita, K.; Kondoh, K.; Tsuchiya, K.; Miyabe, H.; Imanishi, T. Chem. Pharm. Bull. 1997, 45, 932; Chen, D.; Yu, L.; Wang, P.G. Tetrahedron Lett. 1996, 37, 4467; Depew, K.M.; Danishefsky, S.J.; Rosen, N.; Sepp-Lorenzino, L. J. Am. Chem. Soc. 1996, 118, 12463; Hasegawa, M.; Tabata,M.; Satoh, K.; Yamada, F.; Somei, M. Heterocycles 1996, 43, 2333; Carter, D.S.; Van Vranken, D.L. Tetrahedron Lett. 1996, 37, 5629; Chisholm, J.D.; Van Vranken, D.L. J. Org. Chem. 1995, 60, 6672; Bergman, J.; Koch, E.; Pelcman, B. Tetrahedon Lett. 1995, 36, 3945; Bergman, J.; Koch, E.; Pelcman, B. Tetrahedron 1995, 51, 5631; Guan, X.; Borchardt, R.T. Tetrahedron Lett. 1994, 35, 3013; Fukuyama, T.; Chen, X.; Peng, G. J. Am. Chem. Soc. 1994, 116, 3127; Mocek, U.; Knaggs, A.R.; Tsuchiya, R.; Nguyen, T.; Beale, J.M.; Floss, H.G. J. Am. Chem. Soc. 1993, 115, 7557; Fray, E.B.; Moody, C.J.; Shah, P. Tetrahedron Lett. 1993, 49, 439; Pindur, U.; Erfanian-Abdoust, H. J. Heterocycles 1992, 29, 145; Kawasaki, T.; Nonaka, Y.; Uemera, M.; Sakamoto, M. Synthesis 1991, 701.
16. Miyashita, K.; Kondoh, K.; Tsuchiya, K.; Miyabe, H.; Imanishi, T. Chem. Pharm. Bull. 1997, 45, 932; Chen, D.; Yu, L.; Wang, P.G. Tetrahedron Lett. 1996, 37, 4467; Depew, K.M.; Danishefsky, S.J.; Rosen, N.; Sepp-Lorenzino, L. J. Am. Chem. Soc. 1996, 118, 12463; Hasegawa, M.; Tabata,M.; Satoh, K.; Yamada, F.; Somei, M. Heterocycles 1996, 43, 2333; Carter, D.S.; Van Vranken, D.L. Tetrahedron Lett. 1996, 37, 5629; Chisholm, J.D.; Van Vranken, D.L. J. Org. Chem. 1995, 60, 6672; Bergman, J.; Koch, E.; Pelcman, B. Tetrahedon Lett. 1995, 36, 3945; Bergman, J.; Koch, E.; Pelcman, B. Tetrahedron 1995, 51, 5631; Guan, X.; Borchardt, R.T. Tetrahedron Lett. 1994, 35, 3013; Fukuyama, T.; Chen, X.; Peng, G. J. Am. Chem. Soc. 1994, 116, 3127; Mocek, U.; Knaggs, A.R.; Tsuchiya, R.; Nguyen, T.; Beale, J.M.; Floss, H.G. J. Am. Chem. Soc. 1993, 115, 7557; Fray, E.B.; Moody, C.J.; Shah, P. Tetrahedron Lett. 1993, 49, 439; Pindur, U.; Erfanian-Abdoust, H. J. Heterocycles 1992, 29, 145; Kawasaki, T.; Nonaka, Y.; Uemera, M.; Sakamoto, M. Synthesis 1991, 701.
17. Miyashita, K.; Kondoh, K.; Tsuchiya, K.; Miyabe, H.; Imanishi, T. Chem. Pharm. Bull. 1997, 45, 932; Chen, D.; Yu, L.; Wang, P.G. Tetrahedron Lett. 1996, 37, 4467; Depew, K.M.; Danishefsky, S.J.; Rosen, N.; Sepp-Lorenzino, L. J. Am. Chem. Soc. 1996, 118, 12463; Hasegawa, M.; Tabata,M.; Satoh, K.; Yamada, F.; Somei, M. Heterocycles 1996, 43, 2333; Carter, D.S.; Van Vranken, D.L. Tetrahedron Lett. 1996, 37, 5629; Chisholm, J.D.; Van Vranken, D.L. J. Org. Chem. 1995, 60, 6672; Bergman, J.; Koch, E.; Pelcman, B. Tetrahedon Lett. 1995, 36, 3945; Bergman, J.; Koch, E.; Pelcman, B. Tetrahedron 1995, 51, 5631; Guan, X.; Borchardt, R.T. Tetrahedron Lett. 1994, 35, 3013; Fukuyama, T.; Chen, X.; Peng, G. J. Am. Chem. Soc. 1994, 116, 3127; Mocek, U.; Knaggs, A.R.; Tsuchiya, R.; Nguyen, T.; Beale, J.M.; Floss, H.G. J. Am. Chem. Soc. 1993, 115, 7557; Fray, E.B.; Moody, C.J.; Shah, P. Tetrahedron Lett. 1993, 49, 439; Pindur, U.; Erfanian-Abdoust, H. J. Heterocycles 1992, 29, 145; Kawasaki, T.; Nonaka, Y.; Uemera, M.; Sakamoto, M. Synthesis 1991, 701.
18. Miyashita, K.; Kondoh, K.; Tsuchiya, K.; Miyabe, H.; Imanishi, T. Chem. Pharm. Bull. 1997, 45, 932; Chen, D.; Yu, L.; Wang, P.G. Tetrahedron Lett. 1996, 37, 4467; Depew, K.M.; Danishefsky, S.J.; Rosen, N.; Sepp-Lorenzino, L. J. Am. Chem. Soc. 1996, 118, 12463; Hasegawa, M.; Tabata,M.; Satoh, K.; Yamada, F.; Somei, M. Heterocycles 1996, 43, 2333; Carter, D.S.; Van Vranken, D.L. Tetrahedron Lett. 1996, 37, 5629; Chisholm, J.D.; Van Vranken, D.L. J. Org. Chem. 1995, 60, 6672; Bergman, J.; Koch, E.; Pelcman, B. Tetrahedon Lett. 1995, 36, 3945; Bergman, J.; Koch, E.; Pelcman, B. Tetrahedron 1995, 51, 5631; Guan, X.; Borchardt, R.T. Tetrahedron Lett. 1994, 35, 3013; Fukuyama, T.; Chen, X.; Peng, G. J. Am. Chem. Soc. 1994, 116, 3127; Mocek, U.; Knaggs, A.R.; Tsuchiya, R.; Nguyen, T.; Beale, J.M.; Floss, H.G. J. Am. Chem. Soc. 1993, 115, 7557; Fray, E.B.; Moody, C.J.; Shah, P. Tetrahedron Lett. 1993, 49, 439; Pindur, U.; Erfanian-Abdoust, H. J. Heterocycles 1992, 29, 145; Kawasaki, T.; Nonaka, Y.; Uemera, M.; Sakamoto, M. Synthesis 1991, 701.
19. Miyashita, K.; Kondoh, K.; Tsuchiya, K.; Miyabe, H.; Imanishi, T. Chem. Pharm. Bull. 1997, 45, 932; Chen, D.; Yu, L.; Wang, P.G. Tetrahedron Lett. 1996, 37, 4467; Depew, K.M.; Danishefsky, S.J.; Rosen, N.; Sepp-Lorenzino, L. J. Am. Chem. Soc. 1996, 118, 12463; Hasegawa, M.; Tabata,M.; Satoh, K.; Yamada, F.; Somei, M. Heterocycles 1996, 43, 2333; Carter, D.S.; Van Vranken, D.L. Tetrahedron Lett. 1996, 37, 5629; Chisholm, J.D.; Van Vranken, D.L. J. Org. Chem. 1995, 60, 6672; Bergman, J.; Koch, E.; Pelcman, B. Tetrahedon Lett. 1995, 36, 3945; Bergman, J.; Koch, E.; Pelcman, B. Tetrahedron 1995, 51, 5631; Guan, X.; Borchardt, R.T. Tetrahedron Lett. 1994, 35, 3013; Fukuyama, T.; Chen, X.; Peng, G. J. Am. Chem. Soc. 1994, 116, 3127; Mocek, U.; Knaggs, A.R.; Tsuchiya, R.; Nguyen, T.; Beale, J.M.; Floss, H.G. J. Am. Chem. Soc. 1993, 115, 7557; Fray, E.B.; Moody, C.J.; Shah, P. Tetrahedron Lett. 1993, 49, 439; Pindur, U.; Erfanian-Abdoust, H. J. Heterocycles 1992, 29, 145; Kawasaki, T.; Nonaka, Y.; Uemera, M.; Sakamoto, M. Synthesis 1991, 701.
20. Kozikowski, A.P.; Ma, D.; Brewer, J.; Sun, S.; Costa, E.; Romeo, E.; Guidotti, A. J. Med. Chem. 1993, 36, 2908; Gray, N.M.; Dappen, M.S.; Cheng, B.K.; Cordi, A.A.; Biesterfeldt, J.P.; Hood, W.F.; Monahan, J.B. J. Med. Chem. 1991, 34, 1283.
21. Kozikowski, A.P.; Ma, D.; Brewer, J.; Sun, S.; Costa, E.; Romeo, E.; Guidotti, A. J. Med. Chem. 1993, 36, 2908; Gray, N.M.; Dappen, M.S.; Cheng, B.K.; Cordi, A.A.; Biesterfeldt, J.P.; Hood, W.F.; Monahan, J.B. J. Med. Chem. 1991, 34, 1283.
22. 3): δ 197.20, 167.35, 140.65, 136.88, 133.00, 131.83, 130.02, 129.67, 129.63, 128.40, 126.81, 122.21, 94.91, 87.18, 61.82, 51.94, 26.68, 14.10.
23. Appleton, J.E.; Dack, K.N.; Green, A.N.; Steele, J. Tetrahedron Lett. 1993, 34, 1529; Nunomoto, S.; Kawakami, Y.; Yamashita, Y.; Takeuchi, H.; Eguchi, S. J. Chem. Soc. Perkin Trans. 1 1990, 111; Dolman, D.; Sainsbury, M. Tetrahedron Lett. 1981, 22, 2119; Bader, H.; Oroshnik, W. J. Am. Chem. Soc. 1959, 81, 163.
24. Appleton, J.E.; Dack, K.N.; Green, A.N.; Steele, J. Tetrahedron Lett. 1993, 34, 1529; Nunomoto, S.; Kawakami, Y.; Yamashita, Y.; Takeuchi, H.; Eguchi, S. J. Chem. Soc. Perkin Trans. 1 1990, 111; Dolman, D.; Sainsbury, M. Tetrahedron Lett. 1981, 22, 2119; Bader, H.; Oroshnik, W. J. Am. Chem. Soc. 1959, 81, 163.
25. Appleton, J.E.; Dack, K.N.; Green, A.N.; Steele, J. Tetrahedron Lett. 1993, 34, 1529; Nunomoto, S.; Kawakami, Y.; Yamashita, Y.; Takeuchi, H.; Eguchi, S. J. Chem. Soc. Perkin Trans. 1 1990, 111; Dolman, D.; Sainsbury, M. Tetrahedron Lett. 1981, 22, 2119; Bader, H.; Oroshnik, W. J. Am. Chem. Soc. 1959, 81, 163.
26. Appleton, J.E.; Dack, K.N.; Green, A.N.; Steele, J. Tetrahedron Lett. 1993, 34, 1529; Nunomoto, S.; Kawakami, Y.; Yamashita, Y.; Takeuchi, H.; Eguchi, S. J. Chem. Soc. Perkin Trans. 1 1990, 111; Dolman, D.; Sainsbury, M. Tetrahedron Lett. 1981, 22, 2119; Bader, H.; Oroshnik, W. J. Am. Chem. Soc. 1959, 81, 163.