Stereoselective Synthesis of Polysubstituted Tetrahydrofurans by Radical Cyclization of Epoxides Using a Transition-Metal Radical Source. Application to the Total Synthesis of (±)-Methylenolactocin and (±)-Protolichesterinic Acid

Journal of Organic Chemistry

Volumn 63, Issue 9, 1998, Pages 2829-2834

  Mandal, Pijus Kumar ^a   Maiti, Gourhari ^a   Roy, Subhas Chandra ^a  

^a DEPARTMENT OF MATERIALS SCIENCE   (India)

Author keywords

[No Author keywords available]

Indexed keywords

ANTINEOPLASTIC ANTIBIOTIC; EPOXIDE; METHYLENOLACTOCIN; PROTOLICHESTERINIC ACID; TETRAHYDROFURAN DERIVATIVE; TITANOCENE DICHLORIDE; UNCLASSIFIED DRUG; ZINC;

ARTICLE; CYCLIZATION; DIASTEREOISOMER; DRUG CONFORMATION; PROTON NUCLEAR MAGNETIC RESONANCE; STEREOCHEMISTRY; SYNTHESIS; TRANS ISOMER;

EID: 0032080815     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo971526d     Document Type: Article

References (57)

1. For a general review and books, see: (a) Giese, B. Radical in Organic Synthesis: Formation of C-C bonds; Pergamon Press: Oxford, 1986. (b) Curran, D. P. Synthesis 1988, p 417 and 489. (c) Regitz, M., Giese, B., Eds. Houben-Weyl, Methoden der Organischen Chemie; band E19a, C-Radikale, Teil 1+2; Georg Tieme Verlag: Stuttgart, 1989. (d) Curran D. P. In Comprehensive Organic Synthesis; Trost B. M., Fleming, I., Semmelhack, M. F., Eds.; Pergamon Press: Oxford, 1991; Vol. 4, p 715 and 779. (e) Motherwell, W. B.; Crich, D. Free Radical Chain Reactions in Organic Synthesis; Academic Press: New York, 1992. (f) Fossey, J.; Lefort, D.; Sorba, J. Free Radicals in Organic Chemistry; Wiley: New York, 1995.
2. For a general review and books, see: (a) Giese, B. Radical in Organic Synthesis: Formation of C-C bonds; Pergamon Press: Oxford, 1986. (b) Curran, D. P. Synthesis 1988, p 417 and 489. (c) Regitz, M., Giese, B., Eds. Houben-Weyl, Methoden der Organischen Chemie; band E19a, C-Radikale, Teil 1+2; Georg Tieme Verlag: Stuttgart, 1989. (d) Curran D. P. In Comprehensive Organic Synthesis; Trost B. M., Fleming, I., Semmelhack, M. F., Eds.; Pergamon Press: Oxford, 1991; Vol. 4, p 715 and 779. (e) Motherwell, W. B.; Crich, D. Free Radical Chain Reactions in Organic Synthesis; Academic Press: New York, 1992. (f) Fossey, J.; Lefort, D.; Sorba, J. Free Radicals in Organic Chemistry; Wiley: New York, 1995.
3. For a general review and books, see: (a) Giese, B. Radical in Organic Synthesis: Formation of C-C bonds; Pergamon Press: Oxford, 1986. (b) Curran, D. P. Synthesis 1988, p 417 and 489. (c) Regitz, M., Giese, B., Eds. Houben-Weyl, Methoden der Organischen Chemie; band E19a, C-Radikale, Teil 1+2; Georg Tieme Verlag: Stuttgart, 1989. (d) Curran D. P. In Comprehensive Organic Synthesis; Trost B. M., Fleming, I., Semmelhack, M. F., Eds.; Pergamon Press: Oxford, 1991; Vol. 4, p 715 and 779. (e) Motherwell, W. B.; Crich, D. Free Radical Chain Reactions in Organic Synthesis; Academic Press: New York, 1992. (f) Fossey, J.; Lefort, D.; Sorba, J. Free Radicals in Organic Chemistry; Wiley: New York, 1995.
4. For a general review and books, see: (a) Giese, B. Radical in Organic Synthesis: Formation of C-C bonds; Pergamon Press: Oxford, 1986. (b) Curran, D. P. Synthesis 1988, p 417 and 489. (c) Regitz, M., Giese, B., Eds. Houben-Weyl, Methoden der Organischen Chemie; band E19a, C-Radikale, Teil 1+2; Georg Tieme Verlag: Stuttgart, 1989. (d) Curran D. P. In Comprehensive Organic Synthesis; Trost B. M., Fleming, I., Semmelhack, M. F., Eds.; Pergamon Press: Oxford, 1991; Vol. 4, p 715 and 779. (e) Motherwell, W. B.; Crich, D. Free Radical Chain Reactions in Organic Synthesis; Academic Press: New York, 1992. (f) Fossey, J.; Lefort, D.; Sorba, J. Free Radicals in Organic Chemistry; Wiley: New York, 1995.
5. For a general review and books, see: (a) Giese, B. Radical in Organic Synthesis: Formation of C-C bonds; Pergamon Press: Oxford, 1986. (b) Curran, D. P. Synthesis 1988, p 417 and 489. (c) Regitz, M., Giese, B., Eds. Houben-Weyl, Methoden der Organischen Chemie; band E19a, C-Radikale, Teil 1+2; Georg Tieme Verlag: Stuttgart, 1989. (d) Curran D. P. In Comprehensive Organic Synthesis; Trost B. M., Fleming, I., Semmelhack, M. F., Eds.; Pergamon Press: Oxford, 1991; Vol. 4, p 715 and 779. (e) Motherwell, W. B.; Crich, D. Free Radical Chain Reactions in Organic Synthesis; Academic Press: New York, 1992. (f) Fossey, J.; Lefort, D.; Sorba, J. Free Radicals in Organic Chemistry; Wiley: New York, 1995.
6. For a general review and books, see: (a) Giese, B. Radical in Organic Synthesis: Formation of C-C bonds; Pergamon Press: Oxford, 1986. (b) Curran, D. P. Synthesis 1988, p 417 and 489. (c) Regitz, M., Giese, B., Eds. Houben-Weyl, Methoden der Organischen Chemie; band E19a, C-Radikale, Teil 1+2; Georg Tieme Verlag: Stuttgart, 1989. (d) Curran D. P. In Comprehensive Organic Synthesis; Trost B. M., Fleming, I., Semmelhack, M. F., Eds.; Pergamon Press: Oxford, 1991; Vol. 4, p 715 and 779. (e) Motherwell, W. B.; Crich, D. Free Radical Chain Reactions in Organic Synthesis; Academic Press: New York, 1992. (f) Fossey, J.; Lefort, D.; Sorba, J. Free Radicals in Organic Chemistry; Wiley: New York, 1995.
7. See for example: Ladlow, M.; Pattenden, G. Tetrahedron Lett. 1984, 25, 4317. Stork, G.; Kahn, M. J. Am. Chem. Soc. 1985, 107, 500. Moriya, O.; Kakihana, M.; Urata, Y.; Sugizaki, T.; Kageyama, T.; Ueno, Y.; Endo, T. J. Chem. Soc., Chem. Commun. 1985, 1401. Stork, G.; Sher, P. M. J. Am. Chem. Soc. 1986, 108, 303. Bhandal, H.; Pattenden, G.; Russell, J. J. Tetrahedron Lett. 1986, 27, 2299. Pezechk M.; Brunetiere, A. P.; Lallemand, J. Y. Tetrahedron Lett. 1986, 27, 3715. Ueno, Y.; Moriya, O.; Chino, K.; Watanabe, M.; Okawara, M. J. Chem. Soc., Perkin Trans. 1 1986, 1351. Stork, G.; Sher, P. M.; Chen, H.-L. J. Am. Chem. Soc. 1986, 108, 6384. Morikawa, T.; Nishiwaki, T.; Iitaka, Y.; Kobayashi, Y. Tetrhedron Lett. 1987, 28, 671. Hutchinson, J. H.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1987, 28, 1313. Begby, M. J.; Bhandal, H.; Hutchinson, J. H.; Pattenden, G. Tetrahedron Lett. 1987, 28, 1317. Keck, G. E.; Burnett, D. A. J. Org. Chem. 1987, 52 2958. Audin, C.; Lancelin, J.-M.; Beau, J.-M. Tetrahedron Lett. 1988, 29, 3691. Harrison, T.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1988, 29, 3869. De Mesmalker, A.; Hoffmann, P.; Ernst, B. Tetrahedron Lett. 1989, 30, 57. Chapleur, Y.; Moufid, N. J. Chem. Soc., Chem. Commun. 1989, 39. Bonini, C. Tetrahedron Lett. 1990, 31, 5369. Ishiyama, T.; Murata, M.; Suzuki, A.; Miyaura, N. J. Chem. Soc., Chem. Commun. 1995, 295. Srikrishna, A.; Viswajanani, R.; Sattigeri, J. A. J. Chem. Soc., Chem. Commun. 1995, 469. Srikrishna, A.; Viswajanani, R.; Yelamaggad, C. V. Tetrahedron Lett. 1995, 36, 1127. Giese, B.; Kopping, B.; Gobel, T.; Dickhauf, J.; Thoma, G.; Kulicke, K. J.; Trach, F. Org. React. 1996, 48, 301.
8. See for example: Ladlow, M.; Pattenden, G. Tetrahedron Lett. 1984, 25, 4317. Stork, G.; Kahn, M. J. Am. Chem. Soc. 1985, 107, 500. Moriya, O.; Kakihana, M.; Urata, Y.; Sugizaki, T.; Kageyama, T.; Ueno, Y.; Endo, T. J. Chem. Soc., Chem. Commun. 1985, 1401. Stork, G.; Sher, P. M. J. Am. Chem. Soc. 1986, 108, 303. Bhandal, H.; Pattenden, G.; Russell, J. J. Tetrahedron Lett. 1986, 27, 2299. Pezechk M.; Brunetiere, A. P.; Lallemand, J. Y. Tetrahedron Lett. 1986, 27, 3715. Ueno, Y.; Moriya, O.; Chino, K.; Watanabe, M.; Okawara, M. J. Chem. Soc., Perkin Trans. 1 1986, 1351. Stork, G.; Sher, P. M.; Chen, H.-L. J. Am. Chem. Soc. 1986, 108, 6384. Morikawa, T.; Nishiwaki, T.; Iitaka, Y.; Kobayashi, Y. Tetrhedron Lett. 1987, 28, 671. Hutchinson, J. H.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1987, 28, 1313. Begby, M. J.; Bhandal, H.; Hutchinson, J. H.; Pattenden, G. Tetrahedron Lett. 1987, 28, 1317. Keck, G. E.; Burnett, D. A. J. Org. Chem. 1987, 52 2958. Audin, C.; Lancelin, J.-M.; Beau, J.-M. Tetrahedron Lett. 1988, 29, 3691. Harrison, T.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1988, 29, 3869. De Mesmalker, A.; Hoffmann, P.; Ernst, B. Tetrahedron Lett. 1989, 30, 57. Chapleur, Y.; Moufid, N. J. Chem. Soc., Chem. Commun. 1989, 39. Bonini, C. Tetrahedron Lett. 1990, 31, 5369. Ishiyama, T.; Murata, M.; Suzuki, A.; Miyaura, N. J. Chem. Soc., Chem. Commun. 1995, 295. Srikrishna, A.; Viswajanani, R.; Sattigeri, J. A. J. Chem. Soc., Chem. Commun. 1995, 469. Srikrishna, A.; Viswajanani, R.; Yelamaggad, C. V. Tetrahedron Lett. 1995, 36, 1127. Giese, B.; Kopping, B.; Gobel, T.; Dickhauf, J.; Thoma, G.; Kulicke, K. J.; Trach, F. Org. React. 1996, 48, 301.
9. See for example: Ladlow, M.; Pattenden, G. Tetrahedron Lett. 1984, 25, 4317. Stork, G.; Kahn, M. J. Am. Chem. Soc. 1985, 107, 500. Moriya, O.; Kakihana, M.; Urata, Y.; Sugizaki, T.; Kageyama, T.; Ueno, Y.; Endo, T. J. Chem. Soc., Chem. Commun. 1985, 1401. Stork, G.; Sher, P. M. J. Am. Chem. Soc. 1986, 108, 303. Bhandal, H.; Pattenden, G.; Russell, J. J. Tetrahedron Lett. 1986, 27, 2299. Pezechk M.; Brunetiere, A. P.; Lallemand, J. Y. Tetrahedron Lett. 1986, 27, 3715. Ueno, Y.; Moriya, O.; Chino, K.; Watanabe, M.; Okawara, M. J. Chem. Soc., Perkin Trans. 1 1986, 1351. Stork, G.; Sher, P. M.; Chen, H.-L. J. Am. Chem. Soc. 1986, 108, 6384. Morikawa, T.; Nishiwaki, T.; Iitaka, Y.; Kobayashi, Y. Tetrhedron Lett. 1987, 28, 671. Hutchinson, J. H.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1987, 28, 1313. Begby, M. J.; Bhandal, H.; Hutchinson, J. H.; Pattenden, G. Tetrahedron Lett. 1987, 28, 1317. Keck, G. E.; Burnett, D. A. J. Org. Chem. 1987, 52 2958. Audin, C.; Lancelin, J.-M.; Beau, J.-M. Tetrahedron Lett. 1988, 29, 3691. Harrison, T.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1988, 29, 3869. De Mesmalker, A.; Hoffmann, P.; Ernst, B. Tetrahedron Lett. 1989, 30, 57. Chapleur, Y.; Moufid, N. J. Chem. Soc., Chem. Commun. 1989, 39. Bonini, C. Tetrahedron Lett. 1990, 31, 5369. Ishiyama, T.; Murata, M.; Suzuki, A.; Miyaura, N. J. Chem. Soc., Chem. Commun. 1995, 295. Srikrishna, A.; Viswajanani, R.; Sattigeri, J. A. J. Chem. Soc., Chem. Commun. 1995, 469. Srikrishna, A.; Viswajanani, R.; Yelamaggad, C. V. Tetrahedron Lett. 1995, 36, 1127. Giese, B.; Kopping, B.; Gobel, T.; Dickhauf, J.; Thoma, G.; Kulicke, K. J.; Trach, F. Org. React. 1996, 48, 301.
10. See for example: Ladlow, M.; Pattenden, G. Tetrahedron Lett. 1984, 25, 4317. Stork, G.; Kahn, M. J. Am. Chem. Soc. 1985, 107, 500. Moriya, O.; Kakihana, M.; Urata, Y.; Sugizaki, T.; Kageyama, T.; Ueno, Y.; Endo, T. J. Chem. Soc., Chem. Commun. 1985, 1401. Stork, G.; Sher, P. M. J. Am. Chem. Soc. 1986, 108, 303. Bhandal, H.; Pattenden, G.; Russell, J. J. Tetrahedron Lett. 1986, 27, 2299. Pezechk M.; Brunetiere, A. P.; Lallemand, J. Y. Tetrahedron Lett. 1986, 27, 3715. Ueno, Y.; Moriya, O.; Chino, K.; Watanabe, M.; Okawara, M. J. Chem. Soc., Perkin Trans. 1 1986, 1351. Stork, G.; Sher, P. M.; Chen, H.-L. J. Am. Chem. Soc. 1986, 108, 6384. Morikawa, T.; Nishiwaki, T.; Iitaka, Y.; Kobayashi, Y. Tetrhedron Lett. 1987, 28, 671. Hutchinson, J. H.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1987, 28, 1313. Begby, M. J.; Bhandal, H.; Hutchinson, J. H.; Pattenden, G. Tetrahedron Lett. 1987, 28, 1317. Keck, G. E.; Burnett, D. A. J. Org. Chem. 1987, 52 2958. Audin, C.; Lancelin, J.-M.; Beau, J.-M. Tetrahedron Lett. 1988, 29, 3691. Harrison, T.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1988, 29, 3869. De Mesmalker, A.; Hoffmann, P.; Ernst, B. Tetrahedron Lett. 1989, 30, 57. Chapleur, Y.; Moufid, N. J. Chem. Soc., Chem. Commun. 1989, 39. Bonini, C. Tetrahedron Lett. 1990, 31, 5369. Ishiyama, T.; Murata, M.; Suzuki, A.; Miyaura, N. J. Chem. Soc., Chem. Commun. 1995, 295. Srikrishna, A.; Viswajanani, R.; Sattigeri, J. A. J. Chem. Soc., Chem. Commun. 1995, 469. Srikrishna, A.; Viswajanani, R.; Yelamaggad, C. V. Tetrahedron Lett. 1995, 36, 1127. Giese, B.; Kopping, B.; Gobel, T.; Dickhauf, J.; Thoma, G.; Kulicke, K. J.; Trach, F. Org. React. 1996, 48, 301.
11. See for example: Ladlow, M.; Pattenden, G. Tetrahedron Lett. 1984, 25, 4317. Stork, G.; Kahn, M. J. Am. Chem. Soc. 1985, 107, 500. Moriya, O.; Kakihana, M.; Urata, Y.; Sugizaki, T.; Kageyama, T.; Ueno, Y.; Endo, T. J. Chem. Soc., Chem. Commun. 1985, 1401. Stork, G.; Sher, P. M. J. Am. Chem. Soc. 1986, 108, 303. Bhandal, H.; Pattenden, G.; Russell, J. J. Tetrahedron Lett. 1986, 27, 2299. Pezechk M.; Brunetiere, A. P.; Lallemand, J. Y. Tetrahedron Lett. 1986, 27, 3715. Ueno, Y.; Moriya, O.; Chino, K.; Watanabe, M.; Okawara, M. J. Chem. Soc., Perkin Trans. 1 1986, 1351. Stork, G.; Sher, P. M.; Chen, H.-L. J. Am. Chem. Soc. 1986, 108, 6384. Morikawa, T.; Nishiwaki, T.; Iitaka, Y.; Kobayashi, Y. Tetrhedron Lett. 1987, 28, 671. Hutchinson, J. H.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1987, 28, 1313. Begby, M. J.; Bhandal, H.; Hutchinson, J. H.; Pattenden, G. Tetrahedron Lett. 1987, 28, 1317. Keck, G. E.; Burnett, D. A. J. Org. Chem. 1987, 52 2958. Audin, C.; Lancelin, J.-M.; Beau, J.-M. Tetrahedron Lett. 1988, 29, 3691. Harrison, T.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1988, 29, 3869. De Mesmalker, A.; Hoffmann, P.; Ernst, B. Tetrahedron Lett. 1989, 30, 57. Chapleur, Y.; Moufid, N. J. Chem. Soc., Chem. Commun. 1989, 39. Bonini, C. Tetrahedron Lett. 1990, 31, 5369. Ishiyama, T.; Murata, M.; Suzuki, A.; Miyaura, N. J. Chem. Soc., Chem. Commun. 1995, 295. Srikrishna, A.; Viswajanani, R.; Sattigeri, J. A. J. Chem. Soc., Chem. Commun. 1995, 469. Srikrishna, A.; Viswajanani, R.; Yelamaggad, C. V. Tetrahedron Lett. 1995, 36, 1127. Giese, B.; Kopping, B.; Gobel, T.; Dickhauf, J.; Thoma, G.; Kulicke, K. J.; Trach, F. Org. React. 1996, 48, 301.
12. See for example: Ladlow, M.; Pattenden, G. Tetrahedron Lett. 1984, 25, 4317. Stork, G.; Kahn, M. J. Am. Chem. Soc. 1985, 107, 500. Moriya, O.; Kakihana, M.; Urata, Y.; Sugizaki, T.; Kageyama, T.; Ueno, Y.; Endo, T. J. Chem. Soc., Chem. Commun. 1985, 1401. Stork, G.; Sher, P. M. J. Am. Chem. Soc. 1986, 108, 303. Bhandal, H.; Pattenden, G.; Russell, J. J. Tetrahedron Lett. 1986, 27, 2299. Pezechk M.; Brunetiere, A. P.; Lallemand, J. Y. Tetrahedron Lett. 1986, 27, 3715. Ueno, Y.; Moriya, O.; Chino, K.; Watanabe, M.; Okawara, M. J. Chem. Soc., Perkin Trans. 1 1986, 1351. Stork, G.; Sher, P. M.; Chen, H.-L. J. Am. Chem. Soc. 1986, 108, 6384. Morikawa, T.; Nishiwaki, T.; Iitaka, Y.; Kobayashi, Y. Tetrhedron Lett. 1987, 28, 671. Hutchinson, J. H.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1987, 28, 1313. Begby, M. J.; Bhandal, H.; Hutchinson, J. H.; Pattenden, G. Tetrahedron Lett. 1987, 28, 1317. Keck, G. E.; Burnett, D. A. J. Org. Chem. 1987, 52 2958. Audin, C.; Lancelin, J.-M.; Beau, J.-M. Tetrahedron Lett. 1988, 29, 3691. Harrison, T.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1988, 29, 3869. De Mesmalker, A.; Hoffmann, P.; Ernst, B. Tetrahedron Lett. 1989, 30, 57. Chapleur, Y.; Moufid, N. J. Chem. Soc., Chem. Commun. 1989, 39. Bonini, C. Tetrahedron Lett. 1990, 31, 5369. Ishiyama, T.; Murata, M.; Suzuki, A.; Miyaura, N. J. Chem. Soc., Chem. Commun. 1995, 295. Srikrishna, A.; Viswajanani, R.; Sattigeri, J. A. J. Chem. Soc., Chem. Commun. 1995, 469. Srikrishna, A.; Viswajanani, R.; Yelamaggad, C. V. Tetrahedron Lett. 1995, 36, 1127. Giese, B.; Kopping, B.; Gobel, T.; Dickhauf, J.; Thoma, G.; Kulicke, K. J.; Trach, F. Org. React. 1996, 48, 301.
13. See for example: Ladlow, M.; Pattenden, G. Tetrahedron Lett. 1984, 25, 4317. Stork, G.; Kahn, M. J. Am. Chem. Soc. 1985, 107, 500. Moriya, O.; Kakihana, M.; Urata, Y.; Sugizaki, T.; Kageyama, T.; Ueno, Y.; Endo, T. J. Chem. Soc., Chem. Commun. 1985, 1401. Stork, G.; Sher, P. M. J. Am. Chem. Soc. 1986, 108, 303. Bhandal, H.; Pattenden, G.; Russell, J. J. Tetrahedron Lett. 1986, 27, 2299. Pezechk M.; Brunetiere, A. P.; Lallemand, J. Y. Tetrahedron Lett. 1986, 27, 3715. Ueno, Y.; Moriya, O.; Chino, K.; Watanabe, M.; Okawara, M. J. Chem. Soc., Perkin Trans. 1 1986, 1351. Stork, G.; Sher, P. M.; Chen, H.-L. J. Am. Chem. Soc. 1986, 108, 6384. Morikawa, T.; Nishiwaki, T.; Iitaka, Y.; Kobayashi, Y. Tetrhedron Lett. 1987, 28, 671. Hutchinson, J. H.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1987, 28, 1313. Begby, M. J.; Bhandal, H.; Hutchinson, J. H.; Pattenden, G. Tetrahedron Lett. 1987, 28, 1317. Keck, G. E.; Burnett, D. A. J. Org. Chem. 1987, 52 2958. Audin, C.; Lancelin, J.-M.; Beau, J.-M. Tetrahedron Lett. 1988, 29, 3691. Harrison, T.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1988, 29, 3869. De Mesmalker, A.; Hoffmann, P.; Ernst, B. Tetrahedron Lett. 1989, 30, 57. Chapleur, Y.; Moufid, N. J. Chem. Soc., Chem. Commun. 1989, 39. Bonini, C. Tetrahedron Lett. 1990, 31, 5369. Ishiyama, T.; Murata, M.; Suzuki, A.; Miyaura, N. J. Chem. Soc., Chem. Commun. 1995, 295. Srikrishna, A.; Viswajanani, R.; Sattigeri, J. A. J. Chem. Soc., Chem. Commun. 1995, 469. Srikrishna, A.; Viswajanani, R.; Yelamaggad, C. V. Tetrahedron Lett. 1995, 36, 1127. Giese, B.; Kopping, B.; Gobel, T.; Dickhauf, J.; Thoma, G.; Kulicke, K. J.; Trach, F. Org. React. 1996, 48, 301.
14. See for example: Ladlow, M.; Pattenden, G. Tetrahedron Lett. 1984, 25, 4317. Stork, G.; Kahn, M. J. Am. Chem. Soc. 1985, 107, 500. Moriya, O.; Kakihana, M.; Urata, Y.; Sugizaki, T.; Kageyama, T.; Ueno, Y.; Endo, T. J. Chem. Soc., Chem. Commun. 1985, 1401. Stork, G.; Sher, P. M. J. Am. Chem. Soc. 1986, 108, 303. Bhandal, H.; Pattenden, G.; Russell, J. J. Tetrahedron Lett. 1986, 27, 2299. Pezechk M.; Brunetiere, A. P.; Lallemand, J. Y. Tetrahedron Lett. 1986, 27, 3715. Ueno, Y.; Moriya, O.; Chino, K.; Watanabe, M.; Okawara, M. J. Chem. Soc., Perkin Trans. 1 1986, 1351. Stork, G.; Sher, P. M.; Chen, H.-L. J. Am. Chem. Soc. 1986, 108, 6384. Morikawa, T.; Nishiwaki, T.; Iitaka, Y.; Kobayashi, Y. Tetrhedron Lett. 1987, 28, 671. Hutchinson, J. H.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1987, 28, 1313. Begby, M. J.; Bhandal, H.; Hutchinson, J. H.; Pattenden, G. Tetrahedron Lett. 1987, 28, 1317. Keck, G. E.; Burnett, D. A. J. Org. Chem. 1987, 52 2958. Audin, C.; Lancelin, J.-M.; Beau, J.-M. Tetrahedron Lett. 1988, 29, 3691. Harrison, T.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1988, 29, 3869. De Mesmalker, A.; Hoffmann, P.; Ernst, B. Tetrahedron Lett. 1989, 30, 57. Chapleur, Y.; Moufid, N. J. Chem. Soc., Chem. Commun. 1989, 39. Bonini, C. Tetrahedron Lett. 1990, 31, 5369. Ishiyama, T.; Murata, M.; Suzuki, A.; Miyaura, N. J. Chem. Soc., Chem. Commun. 1995, 295. Srikrishna, A.; Viswajanani, R.; Sattigeri, J. A. J. Chem. Soc., Chem. Commun. 1995, 469. Srikrishna, A.; Viswajanani, R.; Yelamaggad, C. V. Tetrahedron Lett. 1995, 36, 1127. Giese, B.; Kopping, B.; Gobel, T.; Dickhauf, J.; Thoma, G.; Kulicke, K. J.; Trach, F. Org. React. 1996, 48, 301.
15. See for example: Ladlow, M.; Pattenden, G. Tetrahedron Lett. 1984, 25, 4317. Stork, G.; Kahn, M. J. Am. Chem. Soc. 1985, 107, 500. Moriya, O.; Kakihana, M.; Urata, Y.; Sugizaki, T.; Kageyama, T.; Ueno, Y.; Endo, T. J. Chem. Soc., Chem. Commun. 1985, 1401. Stork, G.; Sher, P. M. J. Am. Chem. Soc. 1986, 108, 303. Bhandal, H.; Pattenden, G.; Russell, J. J. Tetrahedron Lett. 1986, 27, 2299. Pezechk M.; Brunetiere, A. P.; Lallemand, J. Y. Tetrahedron Lett. 1986, 27, 3715. Ueno, Y.; Moriya, O.; Chino, K.; Watanabe, M.; Okawara, M. J. Chem. Soc., Perkin Trans. 1 1986, 1351. Stork, G.; Sher, P. M.; Chen, H.-L. J. Am. Chem. Soc. 1986, 108, 6384. Morikawa, T.; Nishiwaki, T.; Iitaka, Y.; Kobayashi, Y. Tetrhedron Lett. 1987, 28, 671. Hutchinson, J. H.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1987, 28, 1313. Begby, M. J.; Bhandal, H.; Hutchinson, J. H.; Pattenden, G. Tetrahedron Lett. 1987, 28, 1317. Keck, G. E.; Burnett, D. A. J. Org. Chem. 1987, 52 2958. Audin, C.; Lancelin, J.-M.; Beau, J.-M. Tetrahedron Lett. 1988, 29, 3691. Harrison, T.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1988, 29, 3869. De Mesmalker, A.; Hoffmann, P.; Ernst, B. Tetrahedron Lett. 1989, 30, 57. Chapleur, Y.; Moufid, N. J. Chem. Soc., Chem. Commun. 1989, 39. Bonini, C. Tetrahedron Lett. 1990, 31, 5369. Ishiyama, T.; Murata, M.; Suzuki, A.; Miyaura, N. J. Chem. Soc., Chem. Commun. 1995, 295. Srikrishna, A.; Viswajanani, R.; Sattigeri, J. A. J. Chem. Soc., Chem. Commun. 1995, 469. Srikrishna, A.; Viswajanani, R.; Yelamaggad, C. V. Tetrahedron Lett. 1995, 36, 1127. Giese, B.; Kopping, B.; Gobel, T.; Dickhauf, J.; Thoma, G.; Kulicke, K. J.; Trach, F. Org. React. 1996, 48, 301.
16. See for example: Ladlow, M.; Pattenden, G. Tetrahedron Lett. 1984, 25, 4317. Stork, G.; Kahn, M. J. Am. Chem. Soc. 1985, 107, 500. Moriya, O.; Kakihana, M.; Urata, Y.; Sugizaki, T.; Kageyama, T.; Ueno, Y.; Endo, T. J. Chem. Soc., Chem. Commun. 1985, 1401. Stork, G.; Sher, P. M. J. Am. Chem. Soc. 1986, 108, 303. Bhandal, H.; Pattenden, G.; Russell, J. J. Tetrahedron Lett. 1986, 27, 2299. Pezechk M.; Brunetiere, A. P.; Lallemand, J. Y. Tetrahedron Lett. 1986, 27, 3715. Ueno, Y.; Moriya, O.; Chino, K.; Watanabe, M.; Okawara, M. J. Chem. Soc., Perkin Trans. 1 1986, 1351. Stork, G.; Sher, P. M.; Chen, H.-L. J. Am. Chem. Soc. 1986, 108, 6384. Morikawa, T.; Nishiwaki, T.; Iitaka, Y.; Kobayashi, Y. Tetrhedron Lett. 1987, 28, 671. Hutchinson, J. H.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1987, 28, 1313. Begby, M. J.; Bhandal, H.; Hutchinson, J. H.; Pattenden, G. Tetrahedron Lett. 1987, 28, 1317. Keck, G. E.; Burnett, D. A. J. Org. Chem. 1987, 52 2958. Audin, C.; Lancelin, J.-M.; Beau, J.-M. Tetrahedron Lett. 1988, 29, 3691. Harrison, T.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1988, 29, 3869. De Mesmalker, A.; Hoffmann, P.; Ernst, B. Tetrahedron Lett. 1989, 30, 57. Chapleur, Y.; Moufid, N. J. Chem. Soc., Chem. Commun. 1989, 39. Bonini, C. Tetrahedron Lett. 1990, 31, 5369. Ishiyama, T.; Murata, M.; Suzuki, A.; Miyaura, N. J. Chem. Soc., Chem. Commun. 1995, 295. Srikrishna, A.; Viswajanani, R.; Sattigeri, J. A. J. Chem. Soc., Chem. Commun. 1995, 469. Srikrishna, A.; Viswajanani, R.; Yelamaggad, C. V. Tetrahedron Lett. 1995, 36, 1127. Giese, B.; Kopping, B.; Gobel, T.; Dickhauf, J.; Thoma, G.; Kulicke, K. J.; Trach, F. Org. React. 1996, 48, 301.
17. See for example: Ladlow, M.; Pattenden, G. Tetrahedron Lett. 1984, 25, 4317. Stork, G.; Kahn, M. J. Am. Chem. Soc. 1985, 107, 500. Moriya, O.; Kakihana, M.; Urata, Y.; Sugizaki, T.; Kageyama, T.; Ueno, Y.; Endo, T. J. Chem. Soc., Chem. Commun. 1985, 1401. Stork, G.; Sher, P. M. J. Am. Chem. Soc. 1986, 108, 303. Bhandal, H.; Pattenden, G.; Russell, J. J. Tetrahedron Lett. 1986, 27, 2299. Pezechk M.; Brunetiere, A. P.; Lallemand, J. Y. Tetrahedron Lett. 1986, 27, 3715. Ueno, Y.; Moriya, O.; Chino, K.; Watanabe, M.; Okawara, M. J. Chem. Soc., Perkin Trans. 1 1986, 1351. Stork, G.; Sher, P. M.; Chen, H.-L. J. Am. Chem. Soc. 1986, 108, 6384. Morikawa, T.; Nishiwaki, T.; Iitaka, Y.; Kobayashi, Y. Tetrhedron Lett. 1987, 28, 671. Hutchinson, J. H.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1987, 28, 1313. Begby, M. J.; Bhandal, H.; Hutchinson, J. H.; Pattenden, G. Tetrahedron Lett. 1987, 28, 1317. Keck, G. E.; Burnett, D. A. J. Org. Chem. 1987, 52 2958. Audin, C.; Lancelin, J.-M.; Beau, J.-M. Tetrahedron Lett. 1988, 29, 3691. Harrison, T.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1988, 29, 3869. De Mesmalker, A.; Hoffmann, P.; Ernst, B. Tetrahedron Lett. 1989, 30, 57. Chapleur, Y.; Moufid, N. J. Chem. Soc., Chem. Commun. 1989, 39. Bonini, C. Tetrahedron Lett. 1990, 31, 5369. Ishiyama, T.; Murata, M.; Suzuki, A.; Miyaura, N. J. Chem. Soc., Chem. Commun. 1995, 295. Srikrishna, A.; Viswajanani, R.; Sattigeri, J. A. J. Chem. Soc., Chem. Commun. 1995, 469. Srikrishna, A.; Viswajanani, R.; Yelamaggad, C. V. Tetrahedron Lett. 1995, 36, 1127. Giese, B.; Kopping, B.; Gobel, T.; Dickhauf, J.; Thoma, G.; Kulicke, K. J.; Trach, F. Org. React. 1996, 48, 301.
18. See for example: Ladlow, M.; Pattenden, G. Tetrahedron Lett. 1984, 25, 4317. Stork, G.; Kahn, M. J. Am. Chem. Soc. 1985, 107, 500. Moriya, O.; Kakihana, M.; Urata, Y.; Sugizaki, T.; Kageyama, T.; Ueno, Y.; Endo, T. J. Chem. Soc., Chem. Commun. 1985, 1401. Stork, G.; Sher, P. M. J. Am. Chem. Soc. 1986, 108, 303. Bhandal, H.; Pattenden, G.; Russell, J. J. Tetrahedron Lett. 1986, 27, 2299. Pezechk M.; Brunetiere, A. P.; Lallemand, J. Y. Tetrahedron Lett. 1986, 27, 3715. Ueno, Y.; Moriya, O.; Chino, K.; Watanabe, M.; Okawara, M. J. Chem. Soc., Perkin Trans. 1 1986, 1351. Stork, G.; Sher, P. M.; Chen, H.-L. J. Am. Chem. Soc. 1986, 108, 6384. Morikawa, T.; Nishiwaki, T.; Iitaka, Y.; Kobayashi, Y. Tetrhedron Lett. 1987, 28, 671. Hutchinson, J. H.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1987, 28, 1313. Begby, M. J.; Bhandal, H.; Hutchinson, J. H.; Pattenden, G. Tetrahedron Lett. 1987, 28, 1317. Keck, G. E.; Burnett, D. A. J. Org. Chem. 1987, 52 2958. Audin, C.; Lancelin, J.-M.; Beau, J.-M. Tetrahedron Lett. 1988, 29, 3691. Harrison, T.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1988, 29, 3869. De Mesmalker, A.; Hoffmann, P.; Ernst, B. Tetrahedron Lett. 1989, 30, 57. Chapleur, Y.; Moufid, N. J. Chem. Soc., Chem. Commun. 1989, 39. Bonini, C. Tetrahedron Lett. 1990, 31, 5369. Ishiyama, T.; Murata, M.; Suzuki, A.; Miyaura, N. J. Chem. Soc., Chem. Commun. 1995, 295. Srikrishna, A.; Viswajanani, R.; Sattigeri, J. A. J. Chem. Soc., Chem. Commun. 1995, 469. Srikrishna, A.; Viswajanani, R.; Yelamaggad, C. V. Tetrahedron Lett. 1995, 36, 1127. Giese, B.; Kopping, B.; Gobel, T.; Dickhauf, J.; Thoma, G.; Kulicke, K. J.; Trach, F. Org. React. 1996, 48, 301.
19. See for example: Ladlow, M.; Pattenden, G. Tetrahedron Lett. 1984, 25, 4317. Stork, G.; Kahn, M. J. Am. Chem. Soc. 1985, 107, 500. Moriya, O.; Kakihana, M.; Urata, Y.; Sugizaki, T.; Kageyama, T.; Ueno, Y.; Endo, T. J. Chem. Soc., Chem. Commun. 1985, 1401. Stork, G.; Sher, P. M. J. Am. Chem. Soc. 1986, 108, 303. Bhandal, H.; Pattenden, G.; Russell, J. J. Tetrahedron Lett. 1986, 27, 2299. Pezechk M.; Brunetiere, A. P.; Lallemand, J. Y. Tetrahedron Lett. 1986, 27, 3715. Ueno, Y.; Moriya, O.; Chino, K.; Watanabe, M.; Okawara, M. J. Chem. Soc., Perkin Trans. 1 1986, 1351. Stork, G.; Sher, P. M.; Chen, H.-L. J. Am. Chem. Soc. 1986, 108, 6384. Morikawa, T.; Nishiwaki, T.; Iitaka, Y.; Kobayashi, Y. Tetrhedron Lett. 1987, 28, 671. Hutchinson, J. H.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1987, 28, 1313. Begby, M. J.; Bhandal, H.; Hutchinson, J. H.; Pattenden, G. Tetrahedron Lett. 1987, 28, 1317. Keck, G. E.; Burnett, D. A. J. Org. Chem. 1987, 52 2958. Audin, C.; Lancelin, J.-M.; Beau, J.-M. Tetrahedron Lett. 1988, 29, 3691. Harrison, T.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1988, 29, 3869. De Mesmalker, A.; Hoffmann, P.; Ernst, B. Tetrahedron Lett. 1989, 30, 57. Chapleur, Y.; Moufid, N. J. Chem. Soc., Chem. Commun. 1989, 39. Bonini, C. Tetrahedron Lett. 1990, 31, 5369. Ishiyama, T.; Murata, M.; Suzuki, A.; Miyaura, N. J. Chem. Soc., Chem. Commun. 1995, 295. Srikrishna, A.; Viswajanani, R.; Sattigeri, J. A. J. Chem. Soc., Chem. Commun. 1995, 469. Srikrishna, A.; Viswajanani, R.; Yelamaggad, C. V. Tetrahedron Lett. 1995, 36, 1127. Giese, B.; Kopping, B.; Gobel, T.; Dickhauf, J.; Thoma, G.; Kulicke, K. J.; Trach, F. Org. React. 1996, 48, 301.
20. See for example: Ladlow, M.; Pattenden, G. Tetrahedron Lett. 1984, 25, 4317. Stork, G.; Kahn, M. J. Am. Chem. Soc. 1985, 107, 500. Moriya, O.; Kakihana, M.; Urata, Y.; Sugizaki, T.; Kageyama, T.; Ueno, Y.; Endo, T. J. Chem. Soc., Chem. Commun. 1985, 1401. Stork, G.; Sher, P. M. J. Am. Chem. Soc. 1986, 108, 303. Bhandal, H.; Pattenden, G.; Russell, J. J. Tetrahedron Lett. 1986, 27, 2299. Pezechk M.; Brunetiere, A. P.; Lallemand, J. Y. Tetrahedron Lett. 1986, 27, 3715. Ueno, Y.; Moriya, O.; Chino, K.; Watanabe, M.; Okawara, M. J. Chem. Soc., Perkin Trans. 1 1986, 1351. Stork, G.; Sher, P. M.; Chen, H.-L. J. Am. Chem. Soc. 1986, 108, 6384. Morikawa, T.; Nishiwaki, T.; Iitaka, Y.; Kobayashi, Y. Tetrhedron Lett. 1987, 28, 671. Hutchinson, J. H.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1987, 28, 1313. Begby, M. J.; Bhandal, H.; Hutchinson, J. H.; Pattenden, G. Tetrahedron Lett. 1987, 28, 1317. Keck, G. E.; Burnett, D. A. J. Org. Chem. 1987, 52 2958. Audin, C.; Lancelin, J.-M.; Beau, J.-M. Tetrahedron Lett. 1988, 29, 3691. Harrison, T.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1988, 29, 3869. De Mesmalker, A.; Hoffmann, P.; Ernst, B. Tetrahedron Lett. 1989, 30, 57. Chapleur, Y.; Moufid, N. J. Chem. Soc., Chem. Commun. 1989, 39. Bonini, C. Tetrahedron Lett. 1990, 31, 5369. Ishiyama, T.; Murata, M.; Suzuki, A.; Miyaura, N. J. Chem. Soc., Chem. Commun. 1995, 295. Srikrishna, A.; Viswajanani, R.; Sattigeri, J. A. J. Chem. Soc., Chem. Commun. 1995, 469. Srikrishna, A.; Viswajanani, R.; Yelamaggad, C. V. Tetrahedron Lett. 1995, 36, 1127. Giese, B.; Kopping, B.; Gobel, T.; Dickhauf, J.; Thoma, G.; Kulicke, K. J.; Trach, F. Org. React. 1996, 48, 301.
21. See for example: Ladlow, M.; Pattenden, G. Tetrahedron Lett. 1984, 25, 4317. Stork, G.; Kahn, M. J. Am. Chem. Soc. 1985, 107, 500. Moriya, O.; Kakihana, M.; Urata, Y.; Sugizaki, T.; Kageyama, T.; Ueno, Y.; Endo, T. J. Chem. Soc., Chem. Commun. 1985, 1401. Stork, G.; Sher, P. M. J. Am. Chem. Soc. 1986, 108, 303. Bhandal, H.; Pattenden, G.; Russell, J. J. Tetrahedron Lett. 1986, 27, 2299. Pezechk M.; Brunetiere, A. P.; Lallemand, J. Y. Tetrahedron Lett. 1986, 27, 3715. Ueno, Y.; Moriya, O.; Chino, K.; Watanabe, M.; Okawara, M. J. Chem. Soc., Perkin Trans. 1 1986, 1351. Stork, G.; Sher, P. M.; Chen, H.-L. J. Am. Chem. Soc. 1986, 108, 6384. Morikawa, T.; Nishiwaki, T.; Iitaka, Y.; Kobayashi, Y. Tetrhedron Lett. 1987, 28, 671. Hutchinson, J. H.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1987, 28, 1313. Begby, M. J.; Bhandal, H.; Hutchinson, J. H.; Pattenden, G. Tetrahedron Lett. 1987, 28, 1317. Keck, G. E.; Burnett, D. A. J. Org. Chem. 1987, 52 2958. Audin, C.; Lancelin, J.-M.; Beau, J.-M. Tetrahedron Lett. 1988, 29, 3691. Harrison, T.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1988, 29, 3869. De Mesmalker, A.; Hoffmann, P.; Ernst, B. Tetrahedron Lett. 1989, 30, 57. Chapleur, Y.; Moufid, N. J. Chem. Soc., Chem. Commun. 1989, 39. Bonini, C. Tetrahedron Lett. 1990, 31, 5369. Ishiyama, T.; Murata, M.; Suzuki, A.; Miyaura, N. J. Chem. Soc., Chem. Commun. 1995, 295. Srikrishna, A.; Viswajanani, R.; Sattigeri, J. A. J. Chem. Soc., Chem. Commun. 1995, 469. Srikrishna, A.; Viswajanani, R.; Yelamaggad, C. V. Tetrahedron Lett. 1995, 36, 1127. Giese, B.; Kopping, B.; Gobel, T.; Dickhauf, J.; Thoma, G.; Kulicke, K. J.; Trach, F. Org. React. 1996, 48, 301.
22. See for example: Ladlow, M.; Pattenden, G. Tetrahedron Lett. 1984, 25, 4317. Stork, G.; Kahn, M. J. Am. Chem. Soc. 1985, 107, 500. Moriya, O.; Kakihana, M.; Urata, Y.; Sugizaki, T.; Kageyama, T.; Ueno, Y.; Endo, T. J. Chem. Soc., Chem. Commun. 1985, 1401. Stork, G.; Sher, P. M. J. Am. Chem. Soc. 1986, 108, 303. Bhandal, H.; Pattenden, G.; Russell, J. J. Tetrahedron Lett. 1986, 27, 2299. Pezechk M.; Brunetiere, A. P.; Lallemand, J. Y. Tetrahedron Lett. 1986, 27, 3715. Ueno, Y.; Moriya, O.; Chino, K.; Watanabe, M.; Okawara, M. J. Chem. Soc., Perkin Trans. 1 1986, 1351. Stork, G.; Sher, P. M.; Chen, H.-L. J. Am. Chem. Soc. 1986, 108, 6384. Morikawa, T.; Nishiwaki, T.; Iitaka, Y.; Kobayashi, Y. Tetrhedron Lett. 1987, 28, 671. Hutchinson, J. H.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1987, 28, 1313. Begby, M. J.; Bhandal, H.; Hutchinson, J. H.; Pattenden, G. Tetrahedron Lett. 1987, 28, 1317. Keck, G. E.; Burnett, D. A. J. Org. Chem. 1987, 52 2958. Audin, C.; Lancelin, J.-M.; Beau, J.-M. Tetrahedron Lett. 1988, 29, 3691. Harrison, T.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1988, 29, 3869. De Mesmalker, A.; Hoffmann, P.; Ernst, B. Tetrahedron Lett. 1989, 30, 57. Chapleur, Y.; Moufid, N. J. Chem. Soc., Chem. Commun. 1989, 39. Bonini, C. Tetrahedron Lett. 1990, 31, 5369. Ishiyama, T.; Murata, M.; Suzuki, A.; Miyaura, N. J. Chem. Soc., Chem. Commun. 1995, 295. Srikrishna, A.; Viswajanani, R.; Sattigeri, J. A. J. Chem. Soc., Chem. Commun. 1995, 469. Srikrishna, A.; Viswajanani, R.; Yelamaggad, C. V. Tetrahedron Lett. 1995, 36, 1127. Giese, B.; Kopping, B.; Gobel, T.; Dickhauf, J.; Thoma, G.; Kulicke, K. J.; Trach, F. Org. React. 1996, 48, 301.
23. See for example: Ladlow, M.; Pattenden, G. Tetrahedron Lett. 1984, 25, 4317. Stork, G.; Kahn, M. J. Am. Chem. Soc. 1985, 107, 500. Moriya, O.; Kakihana, M.; Urata, Y.; Sugizaki, T.; Kageyama, T.; Ueno, Y.; Endo, T. J. Chem. Soc., Chem. Commun. 1985, 1401. Stork, G.; Sher, P. M. J. Am. Chem. Soc. 1986, 108, 303. Bhandal, H.; Pattenden, G.; Russell, J. J. Tetrahedron Lett. 1986, 27, 2299. Pezechk M.; Brunetiere, A. P.; Lallemand, J. Y. Tetrahedron Lett. 1986, 27, 3715. Ueno, Y.; Moriya, O.; Chino, K.; Watanabe, M.; Okawara, M. J. Chem. Soc., Perkin Trans. 1 1986, 1351. Stork, G.; Sher, P. M.; Chen, H.-L. J. Am. Chem. Soc. 1986, 108, 6384. Morikawa, T.; Nishiwaki, T.; Iitaka, Y.; Kobayashi, Y. Tetrhedron Lett. 1987, 28, 671. Hutchinson, J. H.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1987, 28, 1313. Begby, M. J.; Bhandal, H.; Hutchinson, J. H.; Pattenden, G. Tetrahedron Lett. 1987, 28, 1317. Keck, G. E.; Burnett, D. A. J. Org. Chem. 1987, 52 2958. Audin, C.; Lancelin, J.-M.; Beau, J.-M. Tetrahedron Lett. 1988, 29, 3691. Harrison, T.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1988, 29, 3869. De Mesmalker, A.; Hoffmann, P.; Ernst, B. Tetrahedron Lett. 1989, 30, 57. Chapleur, Y.; Moufid, N. J. Chem. Soc., Chem. Commun. 1989, 39. Bonini, C. Tetrahedron Lett. 1990, 31, 5369. Ishiyama, T.; Murata, M.; Suzuki, A.; Miyaura, N. J. Chem. Soc., Chem. Commun. 1995, 295. Srikrishna, A.; Viswajanani, R.; Sattigeri, J. A. J. Chem. Soc., Chem. Commun. 1995, 469. Srikrishna, A.; Viswajanani, R.; Yelamaggad, C. V. Tetrahedron Lett. 1995, 36, 1127. Giese, B.; Kopping, B.; Gobel, T.; Dickhauf, J.; Thoma, G.; Kulicke, K. J.; Trach, F. Org. React. 1996, 48, 301.
24. See for example: Ladlow, M.; Pattenden, G. Tetrahedron Lett. 1984, 25, 4317. Stork, G.; Kahn, M. J. Am. Chem. Soc. 1985, 107, 500. Moriya, O.; Kakihana, M.; Urata, Y.; Sugizaki, T.; Kageyama, T.; Ueno, Y.; Endo, T. J. Chem. Soc., Chem. Commun. 1985, 1401. Stork, G.; Sher, P. M. J. Am. Chem. Soc. 1986, 108, 303. Bhandal, H.; Pattenden, G.; Russell, J. J. Tetrahedron Lett. 1986, 27, 2299. Pezechk M.; Brunetiere, A. P.; Lallemand, J. Y. Tetrahedron Lett. 1986, 27, 3715. Ueno, Y.; Moriya, O.; Chino, K.; Watanabe, M.; Okawara, M. J. Chem. Soc., Perkin Trans. 1 1986, 1351. Stork, G.; Sher, P. M.; Chen, H.-L. J. Am. Chem. Soc. 1986, 108, 6384. Morikawa, T.; Nishiwaki, T.; Iitaka, Y.; Kobayashi, Y. Tetrhedron Lett. 1987, 28, 671. Hutchinson, J. H.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1987, 28, 1313. Begby, M. J.; Bhandal, H.; Hutchinson, J. H.; Pattenden, G. Tetrahedron Lett. 1987, 28, 1317. Keck, G. E.; Burnett, D. A. J. Org. Chem. 1987, 52 2958. Audin, C.; Lancelin, J.-M.; Beau, J.-M. Tetrahedron Lett. 1988, 29, 3691. Harrison, T.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1988, 29, 3869. De Mesmalker, A.; Hoffmann, P.; Ernst, B. Tetrahedron Lett. 1989, 30, 57. Chapleur, Y.; Moufid, N. J. Chem. Soc., Chem. Commun. 1989, 39. Bonini, C. Tetrahedron Lett. 1990, 31, 5369. Ishiyama, T.; Murata, M.; Suzuki, A.; Miyaura, N. J. Chem. Soc., Chem. Commun. 1995, 295. Srikrishna, A.; Viswajanani, R.; Sattigeri, J. A. J. Chem. Soc., Chem. Commun. 1995, 469. Srikrishna, A.; Viswajanani, R.; Yelamaggad, C. V. Tetrahedron Lett. 1995, 36, 1127. Giese, B.; Kopping, B.; Gobel, T.; Dickhauf, J.; Thoma, G.; Kulicke, K. J.; Trach, F. Org. React. 1996, 48, 301.
25. See for example: Ladlow, M.; Pattenden, G. Tetrahedron Lett. 1984, 25, 4317. Stork, G.; Kahn, M. J. Am. Chem. Soc. 1985, 107, 500. Moriya, O.; Kakihana, M.; Urata, Y.; Sugizaki, T.; Kageyama, T.; Ueno, Y.; Endo, T. J. Chem. Soc., Chem. Commun. 1985, 1401. Stork, G.; Sher, P. M. J. Am. Chem. Soc. 1986, 108, 303. Bhandal, H.; Pattenden, G.; Russell, J. J. Tetrahedron Lett. 1986, 27, 2299. Pezechk M.; Brunetiere, A. P.; Lallemand, J. Y. Tetrahedron Lett. 1986, 27, 3715. Ueno, Y.; Moriya, O.; Chino, K.; Watanabe, M.; Okawara, M. J. Chem. Soc., Perkin Trans. 1 1986, 1351. Stork, G.; Sher, P. M.; Chen, H.-L. J. Am. Chem. Soc. 1986, 108, 6384. Morikawa, T.; Nishiwaki, T.; Iitaka, Y.; Kobayashi, Y. Tetrhedron Lett. 1987, 28, 671. Hutchinson, J. H.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1987, 28, 1313. Begby, M. J.; Bhandal, H.; Hutchinson, J. H.; Pattenden, G. Tetrahedron Lett. 1987, 28, 1317. Keck, G. E.; Burnett, D. A. J. Org. Chem. 1987, 52 2958. Audin, C.; Lancelin, J.-M.; Beau, J.-M. Tetrahedron Lett. 1988, 29, 3691. Harrison, T.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1988, 29, 3869. De Mesmalker, A.; Hoffmann, P.; Ernst, B. Tetrahedron Lett. 1989, 30, 57. Chapleur, Y.; Moufid, N. J. Chem. Soc., Chem. Commun. 1989, 39. Bonini, C. Tetrahedron Lett. 1990, 31, 5369. Ishiyama, T.; Murata, M.; Suzuki, A.; Miyaura, N. J. Chem. Soc., Chem. Commun. 1995, 295. Srikrishna, A.; Viswajanani, R.; Sattigeri, J. A. J. Chem. Soc., Chem. Commun. 1995, 469. Srikrishna, A.; Viswajanani, R.; Yelamaggad, C. V. Tetrahedron Lett. 1995, 36, 1127. Giese, B.; Kopping, B.; Gobel, T.; Dickhauf, J.; Thoma, G.; Kulicke, K. J.; Trach, F. Org. React. 1996, 48, 301.
26. See for example: Ladlow, M.; Pattenden, G. Tetrahedron Lett. 1984, 25, 4317. Stork, G.; Kahn, M. J. Am. Chem. Soc. 1985, 107, 500. Moriya, O.; Kakihana, M.; Urata, Y.; Sugizaki, T.; Kageyama, T.; Ueno, Y.; Endo, T. J. Chem. Soc., Chem. Commun. 1985, 1401. Stork, G.; Sher, P. M. J. Am. Chem. Soc. 1986, 108, 303. Bhandal, H.; Pattenden, G.; Russell, J. J. Tetrahedron Lett. 1986, 27, 2299. Pezechk M.; Brunetiere, A. P.; Lallemand, J. Y. Tetrahedron Lett. 1986, 27, 3715. Ueno, Y.; Moriya, O.; Chino, K.; Watanabe, M.; Okawara, M. J. Chem. Soc., Perkin Trans. 1 1986, 1351. Stork, G.; Sher, P. M.; Chen, H.-L. J. Am. Chem. Soc. 1986, 108, 6384. Morikawa, T.; Nishiwaki, T.; Iitaka, Y.; Kobayashi, Y. Tetrhedron Lett. 1987, 28, 671. Hutchinson, J. H.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1987, 28, 1313. Begby, M. J.; Bhandal, H.; Hutchinson, J. H.; Pattenden, G. Tetrahedron Lett. 1987, 28, 1317. Keck, G. E.; Burnett, D. A. J. Org. Chem. 1987, 52 2958. Audin, C.; Lancelin, J.-M.; Beau, J.-M. Tetrahedron Lett. 1988, 29, 3691. Harrison, T.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1988, 29, 3869. De Mesmalker, A.; Hoffmann, P.; Ernst, B. Tetrahedron Lett. 1989, 30, 57. Chapleur, Y.; Moufid, N. J. Chem. Soc., Chem. Commun. 1989, 39. Bonini, C. Tetrahedron Lett. 1990, 31, 5369. Ishiyama, T.; Murata, M.; Suzuki, A.; Miyaura, N. J. Chem. Soc., Chem. Commun. 1995, 295. Srikrishna, A.; Viswajanani, R.; Sattigeri, J. A. J. Chem. Soc., Chem. Commun. 1995, 469. Srikrishna, A.; Viswajanani, R.; Yelamaggad, C. V. Tetrahedron Lett. 1995, 36, 1127. Giese, B.; Kopping, B.; Gobel, T.; Dickhauf, J.; Thoma, G.; Kulicke, K. J.; Trach, F. Org. React. 1996, 48, 301.
27. See for example: Ladlow, M.; Pattenden, G. Tetrahedron Lett. 1984, 25, 4317. Stork, G.; Kahn, M. J. Am. Chem. Soc. 1985, 107, 500. Moriya, O.; Kakihana, M.; Urata, Y.; Sugizaki, T.; Kageyama, T.; Ueno, Y.; Endo, T. J. Chem. Soc., Chem. Commun. 1985, 1401. Stork, G.; Sher, P. M. J. Am. Chem. Soc. 1986, 108, 303. Bhandal, H.; Pattenden, G.; Russell, J. J. Tetrahedron Lett. 1986, 27, 2299. Pezechk M.; Brunetiere, A. P.; Lallemand, J. Y. Tetrahedron Lett. 1986, 27, 3715. Ueno, Y.; Moriya, O.; Chino, K.; Watanabe, M.; Okawara, M. J. Chem. Soc., Perkin Trans. 1 1986, 1351. Stork, G.; Sher, P. M.; Chen, H.-L. J. Am. Chem. Soc. 1986, 108, 6384. Morikawa, T.; Nishiwaki, T.; Iitaka, Y.; Kobayashi, Y. Tetrhedron Lett. 1987, 28, 671. Hutchinson, J. H.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1987, 28, 1313. Begby, M. J.; Bhandal, H.; Hutchinson, J. H.; Pattenden, G. Tetrahedron Lett. 1987, 28, 1317. Keck, G. E.; Burnett, D. A. J. Org. Chem. 1987, 52 2958. Audin, C.; Lancelin, J.-M.; Beau, J.-M. Tetrahedron Lett. 1988, 29, 3691. Harrison, T.; Pattenden, G.; Myers, P. L. Tetrahedron Lett. 1988, 29, 3869. De Mesmalker, A.; Hoffmann, P.; Ernst, B. Tetrahedron Lett. 1989, 30, 57. Chapleur, Y.; Moufid, N. J. Chem. Soc., Chem. Commun. 1989, 39. Bonini, C. Tetrahedron Lett. 1990, 31, 5369. Ishiyama, T.; Murata, M.; Suzuki, A.; Miyaura, N. J. Chem. Soc., Chem. Commun. 1995, 295. Srikrishna, A.; Viswajanani, R.; Sattigeri, J. A. J. Chem. Soc., Chem. Commun. 1995, 469. Srikrishna, A.; Viswajanani, R.; Yelamaggad, C. V. Tetrahedron Lett. 1995, 36, 1127. Giese, B.; Kopping, B.; Gobel, T.; Dickhauf, J.; Thoma, G.; Kulicke, K. J.; Trach, F. Org. React. 1996, 48, 301.
28. Ueno, Y.; Chino, K.; Watanabe, M.; Moriya, O.; Okawara, M. J. Am. Chem. Soc. 1982, 104, 5564. Stork, G.; Mook, R., Jr.; Biller, S. A.; Rychnovskyu, S. D. J. Am. Chem. Soc. 1983 105, 3741.
29. Ueno, Y.; Chino, K.; Watanabe, M.; Moriya, O.; Okawara, M. J. Am. Chem. Soc. 1982, 104, 5564. Stork, G.; Mook, R., Jr.; Biller, S. A.; Rychnovskyu, S. D. J. Am. Chem. Soc. 1983 105, 3741.
30. Rao, A. S.; Paknikar, S. K.; Kirtane, J. G. Tetrahedron 1983, 39, 2323. Smith, J. G. Synthesis 1984, 629 Chini, M.; Crotti P.; Flippin, L. A.; Gardelhi, C.; Giovani, E.; Macchia, F.; Pineschi, M. J. Org. Chem. 1993, 58, 1221 and references therein.
31. Rao, A. S.; Paknikar, S. K.; Kirtane, J. G. Tetrahedron 1983, 39, 2323. Smith, J. G. Synthesis 1984, 629 Chini, M.; Crotti P.; Flippin, L. A.; Gardelhi, C.; Giovani, E.; Macchia, F.; Pineschi, M. J. Org. Chem. 1993, 58, 1221 and references therein.
32. Rao, A. S.; Paknikar, S. K.; Kirtane, J. G. Tetrahedron 1983, 39, 2323. Smith, J. G. Synthesis 1984, 629 Chini, M.; Crotti P.; Flippin, L. A.; Gardelhi, C.; Giovani, E.; Macchia, F.; Pineschi, M. J. Org. Chem. 1993, 58, 1221 and references therein.
33. Rajanbabu, T. V.; Nugent, W. A. J. Am. Chem. Soc. 1994, 116, 986 and references therein.
34. Rawal, V. H.; Newton, R. C.; Krishnamurthy, V. J. Org. Chem. 1990, 55, 5181. Merlic, C. A.; Xu, D. J. Am. Chem. Soc 1991, 113, 9855. Rawal, V. H.; Dufour, C. J. Am. Chem. Soc. 1994 116, 2613.
35. Rawal, V. H.; Newton, R. C.; Krishnamurthy, V. J. Org. Chem. 1990, 55, 5181. Merlic, C. A.; Xu, D. J. Am. Chem. Soc 1991, 113, 9855. Rawal, V. H.; Dufour, C. J. Am. Chem. Soc. 1994 116, 2613.
36. Rawal, V. H.; Newton, R. C.; Krishnamurthy, V. J. Org. Chem. 1990, 55, 5181. Merlic, C. A.; Xu, D. J. Am. Chem. Soc 1991, 113, 9855. Rawal, V. H.; Dufour, C. J. Am. Chem. Soc. 1994 116, 2613.
37. Engman, L.; Gupta, V. J. Org. Chem. 1997, 62, 157.
38. For preliminary communication, see: Maiti, G.; Roy, S. C. J. Chem. Soc. Perkin Trans. 1 1996, 403.
39. Adhikari, S.; Roy, S. Tetrahedron Lett. 1994, 33, 6025. Maiti, G.; Adhikari, S.; Roy, S. C. Tetrahedron Lett. 1994, 35, 3985. Maiti, G.; Adhikari, S.; Roy, S. C. Tetrahedron Lett. 1994, 35, 6731. Maiti, G.; Adhikari, S.; Roy, S. C. Tetrahedron 1995, 51, 8389.
40. Adhikari, S.; Roy, S. Tetrahedron Lett. 1994, 33, 6025. Maiti, G.; Adhikari, S.; Roy, S. C. Tetrahedron Lett. 1994, 35, 3985. Maiti, G.; Adhikari, S.; Roy, S. C. Tetrahedron Lett. 1994, 35, 6731. Maiti, G.; Adhikari, S.; Roy, S. C. Tetrahedron 1995, 51, 8389.
41. Adhikari, S.; Roy, S. Tetrahedron Lett. 1994, 33, 6025. Maiti, G.; Adhikari, S.; Roy, S. C. Tetrahedron Lett. 1994, 35, 3985. Maiti, G.; Adhikari, S.; Roy, S. C. Tetrahedron Lett. 1994, 35, 6731. Maiti, G.; Adhikari, S.; Roy, S. C. Tetrahedron 1995, 51, 8389.
42. Adhikari, S.; Roy, S. Tetrahedron Lett. 1994, 33, 6025. Maiti, G.; Adhikari, S.; Roy, S. C. Tetrahedron Lett. 1994, 35, 3985. Maiti, G.; Adhikari, S.; Roy, S. C. Tetrahedron Lett. 1994, 35, 6731. Maiti, G.; Adhikari, S.; Roy, S. C. Tetrahedron 1995, 51, 8389.
43. (a) Azevedo, de M. B. M.; Murta, M-M.; Greene, A. E. J. Org. Chem. 1992, 57, 4567.
44. (b) Zhu, G.; Lu, X. J. Org. Chem. 1995, 60, 1087.
45. (c) Vaupel, A.; Knochel, P. Tetrahedron Lett. 1995, 36, 231. Sarkar, S.; Ghosh, S. Tetrahedron Lett. 1996, 37, 4809.
46. (c) Vaupel, A.; Knochel, P. Tetrahedron Lett. 1995, 36, 231. Sarkar, S.; Ghosh, S. Tetrahedron Lett. 1996, 37, 4809.
47. (a) Murta, M. M.; Azevedo, de M. B. M.; Greene A. E. J. Org. Chem. 1993, 58, 7587.
48. (b) Sibi, M. P.; Despande, P. K.; Loggia, La A. J. Synlett 1996, 343.
49. Park, B. K.; Nakagawa, M.; Hirota, A.; Nakayama, M. J. Antibiot. 1988, 41, 751.
50. Zopf, W. Liebigs Ann. Chem. 1902, 324, 39. Zopf, W. Liebigs Ann. Chem. 1904, 336, 46. Cavallito, C. J.; Fruehauf, D. M.; Bailey, J. H. J. Am. Chem. Soc. 1948, 70, 3724.
51. Zopf, W. Liebigs Ann. Chem. 1902, 324, 39. Zopf, W. Liebigs Ann. Chem. 1904, 336, 46. Cavallito, C. J.; Fruehauf, D. M.; Bailey, J. H. J. Am. Chem. Soc. 1948, 70, 3724.
52. Zopf, W. Liebigs Ann. Chem. 1902, 324, 39. Zopf, W. Liebigs Ann. Chem. 1904, 336, 46. Cavallito, C. J.; Fruehauf, D. M.; Bailey, J. H. J. Am. Chem. Soc. 1948, 70, 3724.
53. Chavdarian, C. G.; Heathcock, C. H. Synth. Commun. 1996, 6, 277.
54. Beckwith, A. L. J.; Easton, C. J.; Lawrence, T.; Serelis, A. K. Aust. J. Chem. 1983, 36, 545.
55. Rajanbabu, T. V. Acc. Chem. Res. 1991, 24, 139.
56. Andrey, O.; Ducry, L.; Landais, Y.; Planchenault, D.; Weber, V. Tetrahedron 1997, 53, 4339.
57. Corey, E. J.; Schmidt, G. Tetrahedron Lett. 1979, 399.