Intramolecular Michael addition of N- and O-centred nucleophiles to tethered acrylates. The role of double-bond geometry in controlling the diastereoselectivity of cyclizations teading to 2,6-disubstituted tetrahydropyrans and piperidines

Australian Journal of Chemistry

Volumn 51, Issue 1, 1998, Pages 9-18

  Banwell, Martin G ^a   Bissett, Brett D ^a   Bui, Chinh T ^a,b   Pham, Ha T T ^b   Simpson, Gregory W ^c  

^a AUSTRALIAN NATIONAL UNIVERSITY   (Australia)

^b UNIVERSITY OF MELBOURNE   (Australia)

^c CSIRO   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0002709948     PISSN: 00049425     EISSN: None     Source Type: Journal    
DOI: 10.1071/C97173     Document Type: Article

References (61)

1. Banwell, M. G., Bui, C. T., Simpson, G. W., and Watson, K. G., Chem. Commun., 1996, 723.
2. Banwell, M. G., Bui, C. T., Hockless, D. C. R., and Simpson, G. W., J. Chem. Soc., Perkin Trans. 1, 1997, 1261.
3. Edmunds, A. J. F., Trueb, W., Oppolzer, W., and Cowley, P., Tetrahedron, 1997, 53, 2785, and references cited therein.
4. For a review on the synthesis of tetrahydropyrans see Boivin, T. L. B.,Tetrahedron, 1987, 43, 3309.
5. Palazón, J. M., Soler, M. A., Ramírez, M. A., and Martín, V. S., Tetrahedron Lett., 1993, 34, 5467, and references cited therein.
6. Maurer, B., Grieder, A., and Thommen, W., Helv. Chim. Acta, 1979, 62, 44.
7. Seebach, D., and Pohmakotr, M., Helv. Chim. Acta, 1979, 62, 843; Seebach, D., Pohmakotr, M., Schregenberger, C., Weidmann, B., Mali, R. S., and Pohmakotr, S., Helv. Chim. Acta, 1982, 65, 419; Kim, Y., and Mundy, B. R, J. Org. Chem., 1982, 47, 3556; Ley, S. V., Lygo, B., Molines, H., and Morton, J. A., J. Chem. Soc., Chem. Commun., 1982, 1251; Masaki, Y., Serizawa, Y., Nagata, K., and Kaji, K., Chem. Lett., 1983, 1601; Bates, H. A., and Deng, P.-N., J. Org. Chem, 1983, 48, 4479; Lichtenthaler, F. W., Klinger, F. D., and Jarglis, P., Carbohydr. Res., 1984, 132, C1; Gallagher, T., J. Chem. Soc., Chem. Commun., 1984, 1554; Semmelhack, M. F., and Bodurow, C., J. Am. Chem. Soc., 1984, 106, 1496; Keinan, E., Seth, K. K., and Lamed, R., J. Am. Chem. Soc., 1986, 108, 3474; Nussbaumer, C., and Frater, G., Helv. Chim. Acta, 1987, 70, 396; Greenspoon, N., and Keinan, E., J. Org. Chem., 1988, 53, 3723; Coppi, L., Ricci, A., and Taddei, M., J. Org. Chem., 1988, 53, 911; Kotsuki, H., Ushio, Y., Kadota, I., and Ochi, M., Chem. Lett., 1988, 927; Wei, Z. Y., Wang, D., Li, J. S, and Chan, T. H., J. Org. Chem., 1989, 54, 5768; Homma, K., and Mukaiyama, T., Chem. Lett., 1989, 893; Kobayashi, K., and Suginome, H., Bull. Chem. Soc. Jpn, 1989, 62, 951; Ishihara, K., Mori, A., and Yamamoto, H., Tetrahedron, 1990, 46, 4595; Hansson, S., Miller, J. F., and Liebeskind, L. S., J. Am. Chem. Soc., 1990, 112, 9660; Ragoussis, V., and Theodorou, V., Synthesis, 1993, 84; Lee, E., Tae, J. S., Lee, C., and Park, C. M., Tetrahedron Lett., 1993, 34, 4831; Varelis, P., Graham, A. J., Johnson, B. L., Skelton, B. W., and White, A. H., Aust. J. Chem., 1994, 47, 1735; Muraoka, O., Okumura, M., Maeda, T., Wang, L, and Tanabe, G., Chem. Pharm. Bull., 1995, 43, 517.
8. Seebach, D., and Pohmakotr, M., Helv. Chim. Acta, 1979, 62, 843; Seebach, D., Pohmakotr, M., Schregenberger, C., Weidmann, B., Mali, R. S., and Pohmakotr, S., Helv. Chim. Acta, 1982, 65, 419; Kim, Y., and Mundy, B. R, J. Org. Chem., 1982, 47, 3556; Ley, S. V., Lygo, B., Molines, H., and Morton, J. A., J. Chem. Soc., Chem. Commun., 1982, 1251; Masaki, Y., Serizawa, Y., Nagata, K., and Kaji, K., Chem. Lett., 1983, 1601; Bates, H. A., and Deng, P.-N., J. Org. Chem, 1983, 48, 4479; Lichtenthaler, F. W., Klinger, F. D., and Jarglis, P., Carbohydr. Res., 1984, 132, C1; Gallagher, T., J. Chem. Soc., Chem. Commun., 1984, 1554; Semmelhack, M. F., and Bodurow, C., J. Am. Chem. Soc., 1984, 106, 1496; Keinan, E., Seth, K. K., and Lamed, R., J. Am. Chem. Soc., 1986, 108, 3474; Nussbaumer, C., and Frater, G., Helv. Chim. Acta, 1987, 70, 396; Greenspoon, N., and Keinan, E., J. Org. Chem., 1988, 53, 3723; Coppi, L., Ricci, A., and Taddei, M., J. Org. Chem., 1988, 53, 911; Kotsuki, H., Ushio, Y., Kadota, I., and Ochi, M., Chem. Lett., 1988, 927; Wei, Z. Y., Wang, D., Li, J. S, and Chan, T. H., J. Org. Chem., 1989, 54, 5768; Homma, K., and Mukaiyama, T., Chem. Lett., 1989, 893; Kobayashi, K., and Suginome, H., Bull. Chem. Soc. Jpn, 1989, 62, 951; Ishihara, K., Mori, A., and Yamamoto, H., Tetrahedron, 1990, 46, 4595; Hansson, S., Miller, J. F., and Liebeskind, L. S., J. Am. Chem. Soc., 1990, 112, 9660; Ragoussis, V., and Theodorou, V., Synthesis, 1993, 84; Lee, E., Tae, J. S., Lee, C., and Park, C. M., Tetrahedron Lett., 1993, 34, 4831; Varelis, P., Graham, A. J., Johnson, B. L., Skelton, B. W., and White, A. H., Aust. J. Chem., 1994, 47, 1735; Muraoka, O., Okumura, M., Maeda, T., Wang, L, and Tanabe, G., Chem. Pharm. Bull., 1995, 43, 517.
9. Seebach, D., and Pohmakotr, M., Helv. Chim. Acta, 1979, 62, 843; Seebach, D., Pohmakotr, M., Schregenberger, C., Weidmann, B., Mali, R. S., and Pohmakotr, S., Helv. Chim. Acta, 1982, 65, 419; Kim, Y., and Mundy, B. R, J. Org. Chem., 1982, 47, 3556; Ley, S. V., Lygo, B., Molines, H., and Morton, J. A., J. Chem. Soc., Chem. Commun., 1982, 1251; Masaki, Y., Serizawa, Y., Nagata, K., and Kaji, K., Chem. Lett., 1983, 1601; Bates, H. A., and Deng, P.-N., J. Org. Chem, 1983, 48, 4479; Lichtenthaler, F. W., Klinger, F. D., and Jarglis, P., Carbohydr. Res., 1984, 132, C1; Gallagher, T., J. Chem. Soc., Chem. Commun., 1984, 1554; Semmelhack, M. F., and Bodurow, C., J. Am. Chem. Soc., 1984, 106, 1496; Keinan, E., Seth, K. K., and Lamed, R., J. Am. Chem. Soc., 1986, 108, 3474; Nussbaumer, C., and Frater, G., Helv. Chim. Acta, 1987, 70, 396; Greenspoon, N., and Keinan, E., J. Org. Chem., 1988, 53, 3723; Coppi, L., Ricci, A., and Taddei, M., J. Org. Chem., 1988, 53, 911; Kotsuki, H., Ushio, Y., Kadota, I., and Ochi, M., Chem. Lett., 1988, 927; Wei, Z. Y., Wang, D., Li, J. S, and Chan, T. H., J. Org. Chem., 1989, 54, 5768; Homma, K., and Mukaiyama, T., Chem. Lett., 1989, 893; Kobayashi, K., and Suginome, H., Bull. Chem. Soc. Jpn, 1989, 62, 951; Ishihara, K., Mori, A., and Yamamoto, H., Tetrahedron, 1990, 46, 4595; Hansson, S., Miller, J. F., and Liebeskind, L. S., J. Am. Chem. Soc., 1990, 112, 9660; Ragoussis, V., and Theodorou, V., Synthesis, 1993, 84; Lee, E., Tae, J. S., Lee, C., and Park, C. M., Tetrahedron Lett., 1993, 34, 4831; Varelis, P., Graham, A. J., Johnson, B. L., Skelton, B. W., and White, A. H., Aust. J. Chem., 1994, 47, 1735; Muraoka, O., Okumura, M., Maeda, T., Wang, L, and Tanabe, G., Chem. Pharm. Bull., 1995, 43, 517.
10. Seebach, D., and Pohmakotr, M., Helv. Chim. Acta, 1979, 62, 843; Seebach, D., Pohmakotr, M., Schregenberger, C., Weidmann, B., Mali, R. S., and Pohmakotr, S., Helv. Chim. Acta, 1982, 65, 419; Kim, Y., and Mundy, B. R, J. Org. Chem., 1982, 47, 3556; Ley, S. V., Lygo, B., Molines, H., and Morton, J. A., J. Chem. Soc., Chem. Commun., 1982, 1251; Masaki, Y., Serizawa, Y., Nagata, K., and Kaji, K., Chem. Lett., 1983, 1601; Bates, H. A., and Deng, P.-N., J. Org. Chem, 1983, 48, 4479; Lichtenthaler, F. W., Klinger, F. D., and Jarglis, P., Carbohydr. Res., 1984, 132, C1; Gallagher, T., J. Chem. Soc., Chem. Commun., 1984, 1554; Semmelhack, M. F., and Bodurow, C., J. Am. Chem. Soc., 1984, 106, 1496; Keinan, E., Seth, K. K., and Lamed, R., J. Am. Chem. Soc., 1986, 108, 3474; Nussbaumer, C., and Frater, G., Helv. Chim. Acta, 1987, 70, 396; Greenspoon, N., and Keinan, E., J. Org. Chem., 1988, 53, 3723; Coppi, L., Ricci, A., and Taddei, M., J. Org. Chem., 1988, 53, 911; Kotsuki, H., Ushio, Y., Kadota, I., and Ochi, M., Chem. Lett., 1988, 927; Wei, Z. Y., Wang, D., Li, J. S, and Chan, T. H., J. Org. Chem., 1989, 54, 5768; Homma, K., and Mukaiyama, T., Chem. Lett., 1989, 893; Kobayashi, K., and Suginome, H., Bull. Chem. Soc. Jpn, 1989, 62, 951; Ishihara, K., Mori, A., and Yamamoto, H., Tetrahedron, 1990, 46, 4595; Hansson, S., Miller, J. F., and Liebeskind, L. S., J. Am. Chem. Soc., 1990, 112, 9660; Ragoussis, V., and Theodorou, V., Synthesis, 1993, 84; Lee, E., Tae, J. S., Lee, C., and Park, C. M., Tetrahedron Lett., 1993, 34, 4831; Varelis, P., Graham, A. J., Johnson, B. L., Skelton, B. W., and White, A. H., Aust. J. Chem., 1994, 47, 1735; Muraoka, O., Okumura, M., Maeda, T., Wang, L, and Tanabe, G., Chem. Pharm. Bull., 1995, 43, 517.
11. Seebach, D., and Pohmakotr, M., Helv. Chim. Acta, 1979, 62, 843; Seebach, D., Pohmakotr, M., Schregenberger, C., Weidmann, B., Mali, R. S., and Pohmakotr, S., Helv. Chim. Acta, 1982, 65, 419; Kim, Y., and Mundy, B. R, J. Org. Chem., 1982, 47, 3556; Ley, S. V., Lygo, B., Molines, H., and Morton, J. A., J. Chem. Soc., Chem. Commun., 1982, 1251; Masaki, Y., Serizawa, Y., Nagata, K., and Kaji, K., Chem. Lett., 1983, 1601; Bates, H. A., and Deng, P.-N., J. Org. Chem, 1983, 48, 4479; Lichtenthaler, F. W., Klinger, F. D., and Jarglis, P., Carbohydr. Res., 1984, 132, C1; Gallagher, T., J. Chem. Soc., Chem. Commun., 1984, 1554; Semmelhack, M. F., and Bodurow, C., J. Am. Chem. Soc., 1984, 106, 1496; Keinan, E., Seth, K. K., and Lamed, R., J. Am. Chem. Soc., 1986, 108, 3474; Nussbaumer, C., and Frater, G., Helv. Chim. Acta, 1987, 70, 396; Greenspoon, N., and Keinan, E., J. Org. Chem., 1988, 53, 3723; Coppi, L., Ricci, A., and Taddei, M., J. Org. Chem., 1988, 53, 911; Kotsuki, H., Ushio, Y., Kadota, I., and Ochi, M., Chem. Lett., 1988, 927; Wei, Z. Y., Wang, D., Li, J. S, and Chan, T. H., J. Org. Chem., 1989, 54, 5768; Homma, K., and Mukaiyama, T., Chem. Lett., 1989, 893; Kobayashi, K., and Suginome, H., Bull. Chem. Soc. Jpn, 1989, 62, 951; Ishihara, K., Mori, A., and Yamamoto, H., Tetrahedron, 1990, 46, 4595; Hansson, S., Miller, J. F., and Liebeskind, L. S., J. Am. Chem. Soc., 1990, 112, 9660; Ragoussis, V., and Theodorou, V., Synthesis, 1993, 84; Lee, E., Tae, J. S., Lee, C., and Park, C. M., Tetrahedron Lett., 1993, 34, 4831; Varelis, P., Graham, A. J., Johnson, B. L., Skelton, B. W., and White, A. H., Aust. J. Chem., 1994, 47, 1735; Muraoka, O., Okumura, M., Maeda, T., Wang, L, and Tanabe, G., Chem. Pharm. Bull., 1995, 43, 517.
12. Seebach, D., and Pohmakotr, M., Helv. Chim. Acta, 1979, 62, 843; Seebach, D., Pohmakotr, M., Schregenberger, C., Weidmann, B., Mali, R. S., and Pohmakotr, S., Helv. Chim. Acta, 1982, 65, 419; Kim, Y., and Mundy, B. R, J. Org. Chem., 1982, 47, 3556; Ley, S. V., Lygo, B., Molines, H., and Morton, J. A., J. Chem. Soc., Chem. Commun., 1982, 1251; Masaki, Y., Serizawa, Y., Nagata, K., and Kaji, K., Chem. Lett., 1983, 1601; Bates, H. A., and Deng, P.-N., J. Org. Chem, 1983, 48, 4479; Lichtenthaler, F. W., Klinger, F. D., and Jarglis, P., Carbohydr. Res., 1984, 132, C1; Gallagher, T., J. Chem. Soc., Chem. Commun., 1984, 1554; Semmelhack, M. F., and Bodurow, C., J. Am. Chem. Soc., 1984, 106, 1496; Keinan, E., Seth, K. K., and Lamed, R., J. Am. Chem. Soc., 1986, 108, 3474; Nussbaumer, C., and Frater, G., Helv. Chim. Acta, 1987, 70, 396; Greenspoon, N., and Keinan, E., J. Org. Chem., 1988, 53, 3723; Coppi, L., Ricci, A., and Taddei, M., J. Org. Chem., 1988, 53, 911; Kotsuki, H., Ushio, Y., Kadota, I., and Ochi, M., Chem. Lett., 1988, 927; Wei, Z. Y., Wang, D., Li, J. S, and Chan, T. H., J. Org. Chem., 1989, 54, 5768; Homma, K., and Mukaiyama, T., Chem. Lett., 1989, 893; Kobayashi, K., and Suginome, H., Bull. Chem. Soc. Jpn, 1989, 62, 951; Ishihara, K., Mori, A., and Yamamoto, H., Tetrahedron, 1990, 46, 4595; Hansson, S., Miller, J. F., and Liebeskind, L. S., J. Am. Chem. Soc., 1990, 112, 9660; Ragoussis, V., and Theodorou, V., Synthesis, 1993, 84; Lee, E., Tae, J. S., Lee, C., and Park, C. M., Tetrahedron Lett., 1993, 34, 4831; Varelis, P., Graham, A. J., Johnson, B. L., Skelton, B. W., and White, A. H., Aust. J. Chem., 1994, 47, 1735; Muraoka, O., Okumura, M., Maeda, T., Wang, L, and Tanabe, G., Chem. Pharm. Bull., 1995, 43, 517.
13. Seebach, D., and Pohmakotr, M., Helv. Chim. Acta, 1979, 62, 843; Seebach, D., Pohmakotr, M., Schregenberger, C., Weidmann, B., Mali, R. S., and Pohmakotr, S., Helv. Chim. Acta, 1982, 65, 419; Kim, Y., and Mundy, B. R, J. Org. Chem., 1982, 47, 3556; Ley, S. V., Lygo, B., Molines, H., and Morton, J. A., J. Chem. Soc., Chem. Commun., 1982, 1251; Masaki, Y., Serizawa, Y., Nagata, K., and Kaji, K., Chem. Lett., 1983, 1601; Bates, H. A., and Deng, P.-N., J. Org. Chem, 1983, 48, 4479; Lichtenthaler, F. W., Klinger, F. D., and Jarglis, P., Carbohydr. Res., 1984, 132, C1; Gallagher, T., J. Chem. Soc., Chem. Commun., 1984, 1554; Semmelhack, M. F., and Bodurow, C., J. Am. Chem. Soc., 1984, 106, 1496; Keinan, E., Seth, K. K., and Lamed, R., J. Am. Chem. Soc., 1986, 108, 3474; Nussbaumer, C., and Frater, G., Helv. Chim. Acta, 1987, 70, 396; Greenspoon, N., and Keinan, E., J. Org. Chem., 1988, 53, 3723; Coppi, L., Ricci, A., and Taddei, M., J. Org. Chem., 1988, 53, 911; Kotsuki, H., Ushio, Y., Kadota, I., and Ochi, M., Chem. Lett., 1988, 927; Wei, Z. Y., Wang, D., Li, J. S, and Chan, T. H., J. Org. Chem., 1989, 54, 5768; Homma, K., and Mukaiyama, T., Chem. Lett., 1989, 893; Kobayashi, K., and Suginome, H., Bull. Chem. Soc. Jpn, 1989, 62, 951; Ishihara, K., Mori, A., and Yamamoto, H., Tetrahedron, 1990, 46, 4595; Hansson, S., Miller, J. F., and Liebeskind, L. S., J. Am. Chem. Soc., 1990, 112, 9660; Ragoussis, V., and Theodorou, V., Synthesis, 1993, 84; Lee, E., Tae, J. S., Lee, C., and Park, C. M., Tetrahedron Lett., 1993, 34, 4831; Varelis, P., Graham, A. J., Johnson, B. L., Skelton, B. W., and White, A. H., Aust. J. Chem., 1994, 47, 1735; Muraoka, O., Okumura, M., Maeda, T., Wang, L, and Tanabe, G., Chem. Pharm. Bull., 1995, 43, 517.
14. Seebach, D., and Pohmakotr, M., Helv. Chim. Acta, 1979, 62, 843; Seebach, D., Pohmakotr, M., Schregenberger, C., Weidmann, B., Mali, R. S., and Pohmakotr, S., Helv. Chim. Acta, 1982, 65, 419; Kim, Y., and Mundy, B. R, J. Org. Chem., 1982, 47, 3556; Ley, S. V., Lygo, B., Molines, H., and Morton, J. A., J. Chem. Soc., Chem. Commun., 1982, 1251; Masaki, Y., Serizawa, Y., Nagata, K., and Kaji, K., Chem. Lett., 1983, 1601; Bates, H. A., and Deng, P.-N., J. Org. Chem, 1983, 48, 4479; Lichtenthaler, F. W., Klinger, F. D., and Jarglis, P., Carbohydr. Res., 1984, 132, C1; Gallagher, T., J. Chem. Soc., Chem. Commun., 1984, 1554; Semmelhack, M. F., and Bodurow, C., J. Am. Chem. Soc., 1984, 106, 1496; Keinan, E., Seth, K. K., and Lamed, R., J. Am. Chem. Soc., 1986, 108, 3474; Nussbaumer, C., and Frater, G., Helv. Chim. Acta, 1987, 70, 396; Greenspoon, N., and Keinan, E., J. Org. Chem., 1988, 53, 3723; Coppi, L., Ricci, A., and Taddei, M., J. Org. Chem., 1988, 53, 911; Kotsuki, H., Ushio, Y., Kadota, I., and Ochi, M., Chem. Lett., 1988, 927; Wei, Z. Y., Wang, D., Li, J. S, and Chan, T. H., J. Org. Chem., 1989, 54, 5768; Homma, K., and Mukaiyama, T., Chem. Lett., 1989, 893; Kobayashi, K., and Suginome, H., Bull. Chem. Soc. Jpn, 1989, 62, 951; Ishihara, K., Mori, A., and Yamamoto, H., Tetrahedron, 1990, 46, 4595; Hansson, S., Miller, J. F., and Liebeskind, L. S., J. Am. Chem. Soc., 1990, 112, 9660; Ragoussis, V., and Theodorou, V., Synthesis, 1993, 84; Lee, E., Tae, J. S., Lee, C., and Park, C. M., Tetrahedron Lett., 1993, 34, 4831; Varelis, P., Graham, A. J., Johnson, B. L., Skelton, B. W., and White, A. H., Aust. J. Chem., 1994, 47, 1735; Muraoka, O., Okumura, M., Maeda, T., Wang, L, and Tanabe, G., Chem. Pharm. Bull., 1995, 43, 517.
15. Seebach, D., and Pohmakotr, M., Helv. Chim. Acta, 1979, 62, 843; Seebach, D., Pohmakotr, M., Schregenberger, C., Weidmann, B., Mali, R. S., and Pohmakotr, S., Helv. Chim. Acta, 1982, 65, 419; Kim, Y., and Mundy, B. R, J. Org. Chem., 1982, 47, 3556; Ley, S. V., Lygo, B., Molines, H., and Morton, J. A., J. Chem. Soc., Chem. Commun., 1982, 1251; Masaki, Y., Serizawa, Y., Nagata, K., and Kaji, K., Chem. Lett., 1983, 1601; Bates, H. A., and Deng, P.-N., J. Org. Chem, 1983, 48, 4479; Lichtenthaler, F. W., Klinger, F. D., and Jarglis, P., Carbohydr. Res., 1984, 132, C1; Gallagher, T., J. Chem. Soc., Chem. Commun., 1984, 1554; Semmelhack, M. F., and Bodurow, C., J. Am. Chem. Soc., 1984, 106, 1496; Keinan, E., Seth, K. K., and Lamed, R., J. Am. Chem. Soc., 1986, 108, 3474; Nussbaumer, C., and Frater, G., Helv. Chim. Acta, 1987, 70, 396; Greenspoon, N., and Keinan, E., J. Org. Chem., 1988, 53, 3723; Coppi, L., Ricci, A., and Taddei, M., J. Org. Chem., 1988, 53, 911; Kotsuki, H., Ushio, Y., Kadota, I., and Ochi, M., Chem. Lett., 1988, 927; Wei, Z. Y., Wang, D., Li, J. S, and Chan, T. H., J. Org. Chem., 1989, 54, 5768; Homma, K., and Mukaiyama, T., Chem. Lett., 1989, 893; Kobayashi, K., and Suginome, H., Bull. Chem. Soc. Jpn, 1989, 62, 951; Ishihara, K., Mori, A., and Yamamoto, H., Tetrahedron, 1990, 46, 4595; Hansson, S., Miller, J. F., and Liebeskind, L. S., J. Am. Chem. Soc., 1990, 112, 9660; Ragoussis, V., and Theodorou, V., Synthesis, 1993, 84; Lee, E., Tae, J. S., Lee, C., and Park, C. M., Tetrahedron Lett., 1993, 34, 4831; Varelis, P., Graham, A. J., Johnson, B. L., Skelton, B. W., and White, A. H., Aust. J. Chem., 1994, 47, 1735; Muraoka, O., Okumura, M., Maeda, T., Wang, L, and Tanabe, G., Chem. Pharm. Bull., 1995, 43, 517.
16. Seebach, D., and Pohmakotr, M., Helv. Chim. Acta, 1979, 62, 843; Seebach, D., Pohmakotr, M., Schregenberger, C., Weidmann, B., Mali, R. S., and Pohmakotr, S., Helv. Chim. Acta, 1982, 65, 419; Kim, Y., and Mundy, B. R, J. Org. Chem., 1982, 47, 3556; Ley, S. V., Lygo, B., Molines, H., and Morton, J. A., J. Chem. Soc., Chem. Commun., 1982, 1251; Masaki, Y., Serizawa, Y., Nagata, K., and Kaji, K., Chem. Lett., 1983, 1601; Bates, H. A., and Deng, P.-N., J. Org. Chem, 1983, 48, 4479; Lichtenthaler, F. W., Klinger, F. D., and Jarglis, P., Carbohydr. Res., 1984, 132, C1; Gallagher, T., J. Chem. Soc., Chem. Commun., 1984, 1554; Semmelhack, M. F., and Bodurow, C., J. Am. Chem. Soc., 1984, 106, 1496; Keinan, E., Seth, K. K., and Lamed, R., J. Am. Chem. Soc., 1986, 108, 3474; Nussbaumer, C., and Frater, G., Helv. Chim. Acta, 1987, 70, 396; Greenspoon, N., and Keinan, E., J. Org. Chem., 1988, 53, 3723; Coppi, L., Ricci, A., and Taddei, M., J. Org. Chem., 1988, 53, 911; Kotsuki, H., Ushio, Y., Kadota, I., and Ochi, M., Chem. Lett., 1988, 927; Wei, Z. Y., Wang, D., Li, J. S, and Chan, T. H., J. Org. Chem., 1989, 54, 5768; Homma, K., and Mukaiyama, T., Chem. Lett., 1989, 893; Kobayashi, K., and Suginome, H., Bull. Chem. Soc. Jpn, 1989, 62, 951; Ishihara, K., Mori, A., and Yamamoto, H., Tetrahedron, 1990, 46, 4595; Hansson, S., Miller, J. F., and Liebeskind, L. S., J. Am. Chem. Soc., 1990, 112, 9660; Ragoussis, V., and Theodorou, V., Synthesis, 1993, 84; Lee, E., Tae, J. S., Lee, C., and Park, C. M., Tetrahedron Lett., 1993, 34, 4831; Varelis, P., Graham, A. J., Johnson, B. L., Skelton, B. W., and White, A. H., Aust. J. Chem., 1994, 47, 1735; Muraoka, O., Okumura, M., Maeda, T., Wang, L, and Tanabe, G., Chem. Pharm. Bull., 1995, 43, 517.
17. Seebach, D., and Pohmakotr, M., Helv. Chim. Acta, 1979, 62, 843; Seebach, D., Pohmakotr, M., Schregenberger, C., Weidmann, B., Mali, R. S., and Pohmakotr, S., Helv. Chim. Acta, 1982, 65, 419; Kim, Y., and Mundy, B. R, J. Org. Chem., 1982, 47, 3556; Ley, S. V., Lygo, B., Molines, H., and Morton, J. A., J. Chem. Soc., Chem. Commun., 1982, 1251; Masaki, Y., Serizawa, Y., Nagata, K., and Kaji, K., Chem. Lett., 1983, 1601; Bates, H. A., and Deng, P.-N., J. Org. Chem, 1983, 48, 4479; Lichtenthaler, F. W., Klinger, F. D., and Jarglis, P., Carbohydr. Res., 1984, 132, C1; Gallagher, T., J. Chem. Soc., Chem. Commun., 1984, 1554; Semmelhack, M. F., and Bodurow, C., J. Am. Chem. Soc., 1984, 106, 1496; Keinan, E., Seth, K. K., and Lamed, R., J. Am. Chem. Soc., 1986, 108, 3474; Nussbaumer, C., and Frater, G., Helv. Chim. Acta, 1987, 70, 396; Greenspoon, N., and Keinan, E., J. Org. Chem., 1988, 53, 3723; Coppi, L., Ricci, A., and Taddei, M., J. Org. Chem., 1988, 53, 911; Kotsuki, H., Ushio, Y., Kadota, I., and Ochi, M., Chem. Lett., 1988, 927; Wei, Z. Y., Wang, D., Li, J. S, and Chan, T. H., J. Org. Chem., 1989, 54, 5768; Homma, K., and Mukaiyama, T., Chem. Lett., 1989, 893; Kobayashi, K., and Suginome, H., Bull. Chem. Soc. Jpn, 1989, 62, 951; Ishihara, K., Mori, A., and Yamamoto, H., Tetrahedron, 1990, 46, 4595; Hansson, S., Miller, J. F., and Liebeskind, L. S., J. Am. Chem. Soc., 1990, 112, 9660; Ragoussis, V., and Theodorou, V., Synthesis, 1993, 84; Lee, E., Tae, J. S., Lee, C., and Park, C. M., Tetrahedron Lett., 1993, 34, 4831; Varelis, P., Graham, A. J., Johnson, B. L., Skelton, B. W., and White, A. H., Aust. J. Chem., 1994, 47, 1735; Muraoka, O., Okumura, M., Maeda, T., Wang, L, and Tanabe, G., Chem. Pharm. Bull., 1995, 43, 517.
18. Seebach, D., and Pohmakotr, M., Helv. Chim. Acta, 1979, 62, 843; Seebach, D., Pohmakotr, M., Schregenberger, C., Weidmann, B., Mali, R. S., and Pohmakotr, S., Helv. Chim. Acta, 1982, 65, 419; Kim, Y., and Mundy, B. R, J. Org. Chem., 1982, 47, 3556; Ley, S. V., Lygo, B., Molines, H., and Morton, J. A., J. Chem. Soc., Chem. Commun., 1982, 1251; Masaki, Y., Serizawa, Y., Nagata, K., and Kaji, K., Chem. Lett., 1983, 1601; Bates, H. A., and Deng, P.-N., J. Org. Chem, 1983, 48, 4479; Lichtenthaler, F. W., Klinger, F. D., and Jarglis, P., Carbohydr. Res., 1984, 132, C1; Gallagher, T., J. Chem. Soc., Chem. Commun., 1984, 1554; Semmelhack, M. F., and Bodurow, C., J. Am. Chem. Soc., 1984, 106, 1496; Keinan, E., Seth, K. K., and Lamed, R., J. Am. Chem. Soc., 1986, 108, 3474; Nussbaumer, C., and Frater, G., Helv. Chim. Acta, 1987, 70, 396; Greenspoon, N., and Keinan, E., J. Org. Chem., 1988, 53, 3723; Coppi, L., Ricci, A., and Taddei, M., J. Org. Chem., 1988, 53, 911; Kotsuki, H., Ushio, Y., Kadota, I., and Ochi, M., Chem. Lett., 1988, 927; Wei, Z. Y., Wang, D., Li, J. S, and Chan, T. H., J. Org. Chem., 1989, 54, 5768; Homma, K., and Mukaiyama, T., Chem. Lett., 1989, 893; Kobayashi, K., and Suginome, H., Bull. Chem. Soc. Jpn, 1989, 62, 951; Ishihara, K., Mori, A., and Yamamoto, H., Tetrahedron, 1990, 46, 4595; Hansson, S., Miller, J. F., and Liebeskind, L. S., J. Am. Chem. Soc., 1990, 112, 9660; Ragoussis, V., and Theodorou, V., Synthesis, 1993, 84; Lee, E., Tae, J. S., Lee, C., and Park, C. M., Tetrahedron Lett., 1993, 34, 4831; Varelis, P., Graham, A. J., Johnson, B. L., Skelton, B. W., and White, A. H., Aust. J. Chem., 1994, 47, 1735; Muraoka, O., Okumura, M., Maeda, T., Wang, L, and Tanabe, G., Chem. Pharm. Bull., 1995, 43, 517.
19. Seebach, D., and Pohmakotr, M., Helv. Chim. Acta, 1979, 62, 843; Seebach, D., Pohmakotr, M., Schregenberger, C., Weidmann, B., Mali, R. S., and Pohmakotr, S., Helv. Chim. Acta, 1982, 65, 419; Kim, Y., and Mundy, B. R, J. Org. Chem., 1982, 47, 3556; Ley, S. V., Lygo, B., Molines, H., and Morton, J. A., J. Chem. Soc., Chem. Commun., 1982, 1251; Masaki, Y., Serizawa, Y., Nagata, K., and Kaji, K., Chem. Lett., 1983, 1601; Bates, H. A., and Deng, P.-N., J. Org. Chem, 1983, 48, 4479; Lichtenthaler, F. W., Klinger, F. D., and Jarglis, P., Carbohydr. Res., 1984, 132, C1; Gallagher, T., J. Chem. Soc., Chem. Commun., 1984, 1554; Semmelhack, M. F., and Bodurow, C., J. Am. Chem. Soc., 1984, 106, 1496; Keinan, E., Seth, K. K., and Lamed, R., J. Am. Chem. Soc., 1986, 108, 3474; Nussbaumer, C., and Frater, G., Helv. Chim. Acta, 1987, 70, 396; Greenspoon, N., and Keinan, E., J. Org. Chem., 1988, 53, 3723; Coppi, L., Ricci, A., and Taddei, M., J. Org. Chem., 1988, 53, 911; Kotsuki, H., Ushio, Y., Kadota, I., and Ochi, M., Chem. Lett., 1988, 927; Wei, Z. Y., Wang, D., Li, J. S, and Chan, T. H., J. Org. Chem., 1989, 54, 5768; Homma, K., and Mukaiyama, T., Chem. Lett., 1989, 893; Kobayashi, K., and Suginome, H., Bull. Chem. Soc. Jpn, 1989, 62, 951; Ishihara, K., Mori, A., and Yamamoto, H., Tetrahedron, 1990, 46, 4595; Hansson, S., Miller, J. F., and Liebeskind, L. S., J. Am. Chem. Soc., 1990, 112, 9660; Ragoussis, V., and Theodorou, V., Synthesis, 1993, 84; Lee, E., Tae, J. S., Lee, C., and Park, C. M., Tetrahedron Lett., 1993, 34, 4831; Varelis, P., Graham, A. J., Johnson, B. L., Skelton, B. W., and White, A. H., Aust. J. Chem., 1994, 47, 1735; Muraoka, O., Okumura, M., Maeda, T., Wang, L, and Tanabe, G., Chem. Pharm. Bull., 1995, 43, 517.
20. Seebach, D., and Pohmakotr, M., Helv. Chim. Acta, 1979, 62, 843; Seebach, D., Pohmakotr, M., Schregenberger, C., Weidmann, B., Mali, R. S., and Pohmakotr, S., Helv. Chim. Acta, 1982, 65, 419; Kim, Y., and Mundy, B. R, J. Org. Chem., 1982, 47, 3556; Ley, S. V., Lygo, B., Molines, H., and Morton, J. A., J. Chem. Soc., Chem. Commun., 1982, 1251; Masaki, Y., Serizawa, Y., Nagata, K., and Kaji, K., Chem. Lett., 1983, 1601; Bates, H. A., and Deng, P.-N., J. Org. Chem, 1983, 48, 4479; Lichtenthaler, F. W., Klinger, F. D., and Jarglis, P., Carbohydr. Res., 1984, 132, C1; Gallagher, T., J. Chem. Soc., Chem. Commun., 1984, 1554; Semmelhack, M. F., and Bodurow, C., J. Am. Chem. Soc., 1984, 106, 1496; Keinan, E., Seth, K. K., and Lamed, R., J. Am. Chem. Soc., 1986, 108, 3474; Nussbaumer, C., and Frater, G., Helv. Chim. Acta, 1987, 70, 396; Greenspoon, N., and Keinan, E., J. Org. Chem., 1988, 53, 3723; Coppi, L., Ricci, A., and Taddei, M., J. Org. Chem., 1988, 53, 911; Kotsuki, H., Ushio, Y., Kadota, I., and Ochi, M., Chem. Lett., 1988, 927; Wei, Z. Y., Wang, D., Li, J. S, and Chan, T. H., J. Org. Chem., 1989, 54, 5768; Homma, K., and Mukaiyama, T., Chem. Lett., 1989, 893; Kobayashi, K., and Suginome, H., Bull. Chem. Soc. Jpn, 1989, 62, 951; Ishihara, K., Mori, A., and Yamamoto, H., Tetrahedron, 1990, 46, 4595; Hansson, S., Miller, J. F., and Liebeskind, L. S., J. Am. Chem. Soc., 1990, 112, 9660; Ragoussis, V., and Theodorou, V., Synthesis, 1993, 84; Lee, E., Tae, J. S., Lee, C., and Park, C. M., Tetrahedron Lett., 1993, 34, 4831; Varelis, P., Graham, A. J., Johnson, B. L., Skelton, B. W., and White, A. H., Aust. J. Chem., 1994, 47, 1735; Muraoka, O., Okumura, M., Maeda, T., Wang, L, and Tanabe, G., Chem. Pharm. Bull., 1995, 43, 517.
21. Seebach, D., and Pohmakotr, M., Helv. Chim. Acta, 1979, 62, 843; Seebach, D., Pohmakotr, M., Schregenberger, C., Weidmann, B., Mali, R. S., and Pohmakotr, S., Helv. Chim. Acta, 1982, 65, 419; Kim, Y., and Mundy, B. R, J. Org. Chem., 1982, 47, 3556; Ley, S. V., Lygo, B., Molines, H., and Morton, J. A., J. Chem. Soc., Chem. Commun., 1982, 1251; Masaki, Y., Serizawa, Y., Nagata, K., and Kaji, K., Chem. Lett., 1983, 1601; Bates, H. A., and Deng, P.-N., J. Org. Chem, 1983, 48, 4479; Lichtenthaler, F. W., Klinger, F. D., and Jarglis, P., Carbohydr. Res., 1984, 132, C1; Gallagher, T., J. Chem. Soc., Chem. Commun., 1984, 1554; Semmelhack, M. F., and Bodurow, C., J. Am. Chem. Soc., 1984, 106, 1496; Keinan, E., Seth, K. K., and Lamed, R., J. Am. Chem. Soc., 1986, 108, 3474; Nussbaumer, C., and Frater, G., Helv. Chim. Acta, 1987, 70, 396; Greenspoon, N., and Keinan, E., J. Org. Chem., 1988, 53, 3723; Coppi, L., Ricci, A., and Taddei, M., J. Org. Chem., 1988, 53, 911; Kotsuki, H., Ushio, Y., Kadota, I., and Ochi, M., Chem. Lett., 1988, 927; Wei, Z. Y., Wang, D., Li, J. S, and Chan, T. H., J. Org. Chem., 1989, 54, 5768; Homma, K., and Mukaiyama, T., Chem. Lett., 1989, 893; Kobayashi, K., and Suginome, H., Bull. Chem. Soc. Jpn, 1989, 62, 951; Ishihara, K., Mori, A., and Yamamoto, H., Tetrahedron, 1990, 46, 4595; Hansson, S., Miller, J. F., and Liebeskind, L. S., J. Am. Chem. Soc., 1990, 112, 9660; Ragoussis, V., and Theodorou, V., Synthesis, 1993, 84; Lee, E., Tae, J. S., Lee, C., and Park, C. M., Tetrahedron Lett., 1993, 34, 4831; Varelis, P., Graham, A. J., Johnson, B. L., Skelton, B. W., and White, A. H., Aust. J. Chem., 1994, 47, 1735; Muraoka, O., Okumura, M., Maeda, T., Wang, L, and Tanabe, G., Chem. Pharm. Bull., 1995, 43, 517.
22. Seebach, D., and Pohmakotr, M., Helv. Chim. Acta, 1979, 62, 843; Seebach, D., Pohmakotr, M., Schregenberger, C., Weidmann, B., Mali, R. S., and Pohmakotr, S., Helv. Chim. Acta, 1982, 65, 419; Kim, Y., and Mundy, B. R, J. Org. Chem., 1982, 47, 3556; Ley, S. V., Lygo, B., Molines, H., and Morton, J. A., J. Chem. Soc., Chem. Commun., 1982, 1251; Masaki, Y., Serizawa, Y., Nagata, K., and Kaji, K., Chem. Lett., 1983, 1601; Bates, H. A., and Deng, P.-N., J. Org. Chem, 1983, 48, 4479; Lichtenthaler, F. W., Klinger, F. D., and Jarglis, P., Carbohydr. Res., 1984, 132, C1; Gallagher, T., J. Chem. Soc., Chem. Commun., 1984, 1554; Semmelhack, M. F., and Bodurow, C., J. Am. Chem. Soc., 1984, 106, 1496; Keinan, E., Seth, K. K., and Lamed, R., J. Am. Chem. Soc., 1986, 108, 3474; Nussbaumer, C., and Frater, G., Helv. Chim. Acta, 1987, 70, 396; Greenspoon, N., and Keinan, E., J. Org. Chem., 1988, 53, 3723; Coppi, L., Ricci, A., and Taddei, M., J. Org. Chem., 1988, 53, 911; Kotsuki, H., Ushio, Y., Kadota, I., and Ochi, M., Chem. Lett., 1988, 927; Wei, Z. Y., Wang, D., Li, J. S, and Chan, T. H., J. Org. Chem., 1989, 54, 5768; Homma, K., and Mukaiyama, T., Chem. Lett., 1989, 893; Kobayashi, K., and Suginome, H., Bull. Chem. Soc. Jpn, 1989, 62, 951; Ishihara, K., Mori, A., and Yamamoto, H., Tetrahedron, 1990, 46, 4595; Hansson, S., Miller, J. F., and Liebeskind, L. S., J. Am. Chem. Soc., 1990, 112, 9660; Ragoussis, V., and Theodorou, V., Synthesis, 1993, 84; Lee, E., Tae, J. S., Lee, C., and Park, C. M., Tetrahedron Lett., 1993, 34, 4831; Varelis, P., Graham, A. J., Johnson, B. L., Skelton, B. W., and White, A. H., Aust. J. Chem., 1994, 47, 1735; Muraoka, O., Okumura, M., Maeda, T., Wang, L, and Tanabe, G., Chem. Pharm. Bull., 1995, 43, 517.
23. Seebach, D., and Pohmakotr, M., Helv. Chim. Acta, 1979, 62, 843; Seebach, D., Pohmakotr, M., Schregenberger, C., Weidmann, B., Mali, R. S., and Pohmakotr, S., Helv. Chim. Acta, 1982, 65, 419; Kim, Y., and Mundy, B. R, J. Org. Chem., 1982, 47, 3556; Ley, S. V., Lygo, B., Molines, H., and Morton, J. A., J. Chem. Soc., Chem. Commun., 1982, 1251; Masaki, Y., Serizawa, Y., Nagata, K., and Kaji, K., Chem. Lett., 1983, 1601; Bates, H. A., and Deng, P.-N., J. Org. Chem, 1983, 48, 4479; Lichtenthaler, F. W., Klinger, F. D., and Jarglis, P., Carbohydr. Res., 1984, 132, C1; Gallagher, T., J. Chem. Soc., Chem. Commun., 1984, 1554; Semmelhack, M. F., and Bodurow, C., J. Am. Chem. Soc., 1984, 106, 1496; Keinan, E., Seth, K. K., and Lamed, R., J. Am. Chem. Soc., 1986, 108, 3474; Nussbaumer, C., and Frater, G., Helv. Chim. Acta, 1987, 70, 396; Greenspoon, N., and Keinan, E., J. Org. Chem., 1988, 53, 3723; Coppi, L., Ricci, A., and Taddei, M., J. Org. Chem., 1988, 53, 911; Kotsuki, H., Ushio, Y., Kadota, I., and Ochi, M., Chem. Lett., 1988, 927; Wei, Z. Y., Wang, D., Li, J. S, and Chan, T. H., J. Org. Chem., 1989, 54, 5768; Homma, K., and Mukaiyama, T., Chem. Lett., 1989, 893; Kobayashi, K., and Suginome, H., Bull. Chem. Soc. Jpn, 1989, 62, 951; Ishihara, K., Mori, A., and Yamamoto, H., Tetrahedron, 1990, 46, 4595; Hansson, S., Miller, J. F., and Liebeskind, L. S., J. Am. Chem. Soc., 1990, 112, 9660; Ragoussis, V., and Theodorou, V., Synthesis, 1993, 84; Lee, E., Tae, J. S., Lee, C., and Park, C. M., Tetrahedron Lett., 1993, 34, 4831; Varelis, P., Graham, A. J., Johnson, B. L., Skelton, B. W., and White, A. H., Aust. J. Chem., 1994, 47, 1735; Muraoka, O., Okumura, M., Maeda, T., Wang, L, and Tanabe, G., Chem. Pharm. Bull., 1995, 43, 517.
24. Seebach, D., and Pohmakotr, M., Helv. Chim. Acta, 1979, 62, 843; Seebach, D., Pohmakotr, M., Schregenberger, C., Weidmann, B., Mali, R. S., and Pohmakotr, S., Helv. Chim. Acta, 1982, 65, 419; Kim, Y., and Mundy, B. R, J. Org. Chem., 1982, 47, 3556; Ley, S. V., Lygo, B., Molines, H., and Morton, J. A., J. Chem. Soc., Chem. Commun., 1982, 1251; Masaki, Y., Serizawa, Y., Nagata, K., and Kaji, K., Chem. Lett., 1983, 1601; Bates, H. A., and Deng, P.-N., J. Org. Chem, 1983, 48, 4479; Lichtenthaler, F. W., Klinger, F. D., and Jarglis, P., Carbohydr. Res., 1984, 132, C1; Gallagher, T., J. Chem. Soc., Chem. Commun., 1984, 1554; Semmelhack, M. F., and Bodurow, C., J. Am. Chem. Soc., 1984, 106, 1496; Keinan, E., Seth, K. K., and Lamed, R., J. Am. Chem. Soc., 1986, 108, 3474; Nussbaumer, C., and Frater, G., Helv. Chim. Acta, 1987, 70, 396; Greenspoon, N., and Keinan, E., J. Org. Chem., 1988, 53, 3723; Coppi, L., Ricci, A., and Taddei, M., J. Org. Chem., 1988, 53, 911; Kotsuki, H., Ushio, Y., Kadota, I., and Ochi, M., Chem. Lett., 1988, 927; Wei, Z. Y., Wang, D., Li, J. S, and Chan, T. H., J. Org. Chem., 1989, 54, 5768; Homma, K., and Mukaiyama, T., Chem. Lett., 1989, 893; Kobayashi, K., and Suginome, H., Bull. Chem. Soc. Jpn, 1989, 62, 951; Ishihara, K., Mori, A., and Yamamoto, H., Tetrahedron, 1990, 46, 4595; Hansson, S., Miller, J. F., and Liebeskind, L. S., J. Am. Chem. Soc., 1990, 112, 9660; Ragoussis, V., and Theodorou, V., Synthesis, 1993, 84; Lee, E., Tae, J. S., Lee, C., and Park, C. M., Tetrahedron Lett., 1993, 34, 4831; Varelis, P., Graham, A. J., Johnson, B. L., Skelton, B. W., and White, A. H., Aust. J. Chem., 1994, 47, 1735; Muraoka, O., Okumura, M., Maeda, T., Wang, L, and Tanabe, G., Chem. Pharm. Bull., 1995, 43, 517.
25. Seebach, D., and Pohmakotr, M., Helv. Chim. Acta, 1979, 62, 843; Seebach, D., Pohmakotr, M., Schregenberger, C., Weidmann, B., Mali, R. S., and Pohmakotr, S., Helv. Chim. Acta, 1982, 65, 419; Kim, Y., and Mundy, B. R, J. Org. Chem., 1982, 47, 3556; Ley, S. V., Lygo, B., Molines, H., and Morton, J. A., J. Chem. Soc., Chem. Commun., 1982, 1251; Masaki, Y., Serizawa, Y., Nagata, K., and Kaji, K., Chem. Lett., 1983, 1601; Bates, H. A., and Deng, P.-N., J. Org. Chem, 1983, 48, 4479; Lichtenthaler, F. W., Klinger, F. D., and Jarglis, P., Carbohydr. Res., 1984, 132, C1; Gallagher, T., J. Chem. Soc., Chem. Commun., 1984, 1554; Semmelhack, M. F., and Bodurow, C., J. Am. Chem. Soc., 1984, 106, 1496; Keinan, E., Seth, K. K., and Lamed, R., J. Am. Chem. Soc., 1986, 108, 3474; Nussbaumer, C., and Frater, G., Helv. Chim. Acta, 1987, 70, 396; Greenspoon, N., and Keinan, E., J. Org. Chem., 1988, 53, 3723; Coppi, L., Ricci, A., and Taddei, M., J. Org. Chem., 1988, 53, 911; Kotsuki, H., Ushio, Y., Kadota, I., and Ochi, M., Chem. Lett., 1988, 927; Wei, Z. Y., Wang, D., Li, J. S, and Chan, T. H., J. Org. Chem., 1989, 54, 5768; Homma, K., and Mukaiyama, T., Chem. Lett., 1989, 893; Kobayashi, K., and Suginome, H., Bull. Chem. Soc. Jpn, 1989, 62, 951; Ishihara, K., Mori, A., and Yamamoto, H., Tetrahedron, 1990, 46, 4595; Hansson, S., Miller, J. F., and Liebeskind, L. S., J. Am. Chem. Soc., 1990, 112, 9660; Ragoussis, V., and Theodorou, V., Synthesis, 1993, 84; Lee, E., Tae, J. S., Lee, C., and Park, C. M., Tetrahedron Lett., 1993, 34, 4831; Varelis, P., Graham, A. J., Johnson, B. L., Skelton, B. W., and White, A. H., Aust. J. Chem., 1994, 47, 1735; Muraoka, O., Okumura, M., Maeda, T., Wang, L, and Tanabe, G., Chem. Pharm. Bull., 1995, 43, 517.
26. Seebach, D., and Pohmakotr, M., Helv. Chim. Acta, 1979, 62, 843; Seebach, D., Pohmakotr, M., Schregenberger, C., Weidmann, B., Mali, R. S., and Pohmakotr, S., Helv. Chim. Acta, 1982, 65, 419; Kim, Y., and Mundy, B. R, J. Org. Chem., 1982, 47, 3556; Ley, S. V., Lygo, B., Molines, H., and Morton, J. A., J. Chem. Soc., Chem. Commun., 1982, 1251; Masaki, Y., Serizawa, Y., Nagata, K., and Kaji, K., Chem. Lett., 1983, 1601; Bates, H. A., and Deng, P.-N., J. Org. Chem, 1983, 48, 4479; Lichtenthaler, F. W., Klinger, F. D., and Jarglis, P., Carbohydr. Res., 1984, 132, C1; Gallagher, T., J. Chem. Soc., Chem. Commun., 1984, 1554; Semmelhack, M. F., and Bodurow, C., J. Am. Chem. Soc., 1984, 106, 1496; Keinan, E., Seth, K. K., and Lamed, R., J. Am. Chem. Soc., 1986, 108, 3474; Nussbaumer, C., and Frater, G., Helv. Chim. Acta, 1987, 70, 396; Greenspoon, N., and Keinan, E., J. Org. Chem., 1988, 53, 3723; Coppi, L., Ricci, A., and Taddei, M., J. Org. Chem., 1988, 53, 911; Kotsuki, H., Ushio, Y., Kadota, I., and Ochi, M., Chem. Lett., 1988, 927; Wei, Z. Y., Wang, D., Li, J. S, and Chan, T. H., J. Org. Chem., 1989, 54, 5768; Homma, K., and Mukaiyama, T., Chem. Lett., 1989, 893; Kobayashi, K., and Suginome, H., Bull. Chem. Soc. Jpn, 1989, 62, 951; Ishihara, K., Mori, A., and Yamamoto, H., Tetrahedron, 1990, 46, 4595; Hansson, S., Miller, J. F., and Liebeskind, L. S., J. Am. Chem. Soc., 1990, 112, 9660; Ragoussis, V., and Theodorou, V., Synthesis, 1993, 84; Lee, E., Tae, J. S., Lee, C., and Park, C. M., Tetrahedron Lett., 1993, 34, 4831; Varelis, P., Graham, A. J., Johnson, B. L., Skelton, B. W., and White, A. H., Aust. J. Chem., 1994, 47, 1735; Muraoka, O., Okumura, M., Maeda, T., Wang, L, and Tanabe, G., Chem. Pharm. Bull., 1995, 43, 517.
27. Seebach, D., and Pohmakotr, M., Helv. Chim. Acta, 1979, 62, 843; Seebach, D., Pohmakotr, M., Schregenberger, C., Weidmann, B., Mali, R. S., and Pohmakotr, S., Helv. Chim. Acta, 1982, 65, 419; Kim, Y., and Mundy, B. R, J. Org. Chem., 1982, 47, 3556; Ley, S. V., Lygo, B., Molines, H., and Morton, J. A., J. Chem. Soc., Chem. Commun., 1982, 1251; Masaki, Y., Serizawa, Y., Nagata, K., and Kaji, K., Chem. Lett., 1983, 1601; Bates, H. A., and Deng, P.-N., J. Org. Chem, 1983, 48, 4479; Lichtenthaler, F. W., Klinger, F. D., and Jarglis, P., Carbohydr. Res., 1984, 132, C1; Gallagher, T., J. Chem. Soc., Chem. Commun., 1984, 1554; Semmelhack, M. F., and Bodurow, C., J. Am. Chem. Soc., 1984, 106, 1496; Keinan, E., Seth, K. K., and Lamed, R., J. Am. Chem. Soc., 1986, 108, 3474; Nussbaumer, C., and Frater, G., Helv. Chim. Acta, 1987, 70, 396; Greenspoon, N., and Keinan, E., J. Org. Chem., 1988, 53, 3723; Coppi, L., Ricci, A., and Taddei, M., J. Org. Chem., 1988, 53, 911; Kotsuki, H., Ushio, Y., Kadota, I., and Ochi, M., Chem. Lett., 1988, 927; Wei, Z. Y., Wang, D., Li, J. S, and Chan, T. H., J. Org. Chem., 1989, 54, 5768; Homma, K., and Mukaiyama, T., Chem. Lett., 1989, 893; Kobayashi, K., and Suginome, H., Bull. Chem. Soc. Jpn, 1989, 62, 951; Ishihara, K., Mori, A., and Yamamoto, H., Tetrahedron, 1990, 46, 4595; Hansson, S., Miller, J. F., and Liebeskind, L. S., J. Am. Chem. Soc., 1990, 112, 9660; Ragoussis, V., and Theodorou, V., Synthesis, 1993, 84; Lee, E., Tae, J. S., Lee, C., and Park, C. M., Tetrahedron Lett., 1993, 34, 4831; Varelis, P., Graham, A. J., Johnson, B. L., Skelton, B. W., and White, A. H., Aust. J. Chem., 1994, 47, 1735; Muraoka, O., Okumura, M., Maeda, T., Wang, L, and Tanabe, G., Chem. Pharm. Bull., 1995, 43, 517.
28. Seebach, D., and Pohmakotr, M., Helv. Chim. Acta, 1979, 62, 843; Seebach, D., Pohmakotr, M., Schregenberger, C., Weidmann, B., Mali, R. S., and Pohmakotr, S., Helv. Chim. Acta, 1982, 65, 419; Kim, Y., and Mundy, B. R, J. Org. Chem., 1982, 47, 3556; Ley, S. V., Lygo, B., Molines, H., and Morton, J. A., J. Chem. Soc., Chem. Commun., 1982, 1251; Masaki, Y., Serizawa, Y., Nagata, K., and Kaji, K., Chem. Lett., 1983, 1601; Bates, H. A., and Deng, P.-N., J. Org. Chem, 1983, 48, 4479; Lichtenthaler, F. W., Klinger, F. D., and Jarglis, P., Carbohydr. Res., 1984, 132, C1; Gallagher, T., J. Chem. Soc., Chem. Commun., 1984, 1554; Semmelhack, M. F., and Bodurow, C., J. Am. Chem. Soc., 1984, 106, 1496; Keinan, E., Seth, K. K., and Lamed, R., J. Am. Chem. Soc., 1986, 108, 3474; Nussbaumer, C., and Frater, G., Helv. Chim. Acta, 1987, 70, 396; Greenspoon, N., and Keinan, E., J. Org. Chem., 1988, 53, 3723; Coppi, L., Ricci, A., and Taddei, M., J. Org. Chem., 1988, 53, 911; Kotsuki, H., Ushio, Y., Kadota, I., and Ochi, M., Chem. Lett., 1988, 927; Wei, Z. Y., Wang, D., Li, J. S, and Chan, T. H., J. Org. Chem., 1989, 54, 5768; Homma, K., and Mukaiyama, T., Chem. Lett., 1989, 893; Kobayashi, K., and Suginome, H., Bull. Chem. Soc. Jpn, 1989, 62, 951; Ishihara, K., Mori, A., and Yamamoto, H., Tetrahedron, 1990, 46, 4595; Hansson, S., Miller, J. F., and Liebeskind, L. S., J. Am. Chem. Soc., 1990, 112, 9660; Ragoussis, V., and Theodorou, V., Synthesis, 1993, 84; Lee, E., Tae, J. S., Lee, C., and Park, C. M., Tetrahedron Lett., 1993, 34, 4831; Varelis, P., Graham, A. J., Johnson, B. L., Skelton, B. W., and White, A. H., Aust. J. Chem., 1994, 47, 1735; Muraoka, O., Okumura, M., Maeda, T., Wang, L, and Tanabe, G., Chem. Pharm. Bull., 1995, 43, 517.
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