Metal-catalyzed asymmetric 1,3-dipolar cycloaddition reactions

Acta Chemica Scandinavica

Volumn 50, Issue 8, 1996, Pages 652-660

  Gothelf, Kurt V ^a   Jørgensen, Karl Anker ^a  

^a AARHUS UNIVERSITY   (Denmark)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 3242881202     PISSN: 0904213X     EISSN: None     Source Type: Journal    
DOI: 10.3891/acta.chem.scand.50-0652     Document Type: Review

References (44)

1. See, e.g., Noyori, R. Asymmetric Catalysis in Organic Chemistry, Wiley: New York, 1994.
2. (a) Torssell, K. B. G. Nitrile Oxides, Nitrones and Nitronates in Organic Synthesis, VCH, New York 1988
3. (b) Tufariello, J. J. In: Padwa, A., Ed., 1,3-Dipolar Cycloaddition Chemistry, Wiley, New York, 1984, Vol. 2, pp. 83-168.
4. Mulzer, J. In: Mulzer, J., Altenbach, H.-J., Braun, M., Krohn, K. and Reissig, H.-U., Eds., Organic Synthesis Highlights, VCH, New York 1991, p. 77.
5. Houk, K. N. Top. Curr. Chem. 79 (1979) 1.
6. Woodward, R. B. and Hoffmann, R. The Conservation of Orbital Symmetry, Verlag Chemie, Weinheim 1970.
7. For recent 1,3-dipolar cycloaddition reactions with chiral nitrones, see: (a) Kiers, D., Moffat, D., Overton, K. and Tomanek, R. J. Chem. Soc., Perkin Trans, 1 (1991) 1041 (b) Brandi, A., Cicchi, S., Goti, A., and Pietrusiewicz, K. M. Tetrahedron: Asymmetry 2 (1991) 1063 (c) Goti, A., Cicchi, S., Brandi, A. and Pietrusiewicz, K. M. Tetrahedron: Asymmetry 2 (1991) 1371 (d) McCaig, A. E. and Wightman, R. H. Tetrahedron Lett. 34 (1993) 3939 (e) Saito, S., Ishikawa, T., Kishimoto, N., Kohara, T. and Moriwake, T. Synlett (1994) 282 (f) Oppolzer, W., Deerberg, J. and Tamura, O. Helv. Chim. Acta 77 (1994) 554.
8. For recent 1,3-dipolar cycloaddition reactions with chiral nitrones, see: (a) Kiers, D., Moffat, D., Overton, K. and Tomanek, R. J. Chem. Soc., Perkin Trans, 1 (1991) 1041 (b) Brandi, A., Cicchi, S., Goti, A., and Pietrusiewicz, K. M. Tetrahedron: Asymmetry 2 (1991) 1063 (c) Goti, A., Cicchi, S., Brandi, A. and Pietrusiewicz, K. M. Tetrahedron: Asymmetry 2 (1991) 1371 (d) McCaig, A. E. and Wightman, R. H. Tetrahedron Lett. 34 (1993) 3939 (e) Saito, S., Ishikawa, T., Kishimoto, N., Kohara, T. and Moriwake, T. Synlett (1994) 282 (f) Oppolzer, W., Deerberg, J. and Tamura, O. Helv. Chim. Acta 77 (1994) 554.
9. For recent 1,3-dipolar cycloaddition reactions with chiral nitrones, see: (a) Kiers, D., Moffat, D., Overton, K. and Tomanek, R. J. Chem. Soc., Perkin Trans, 1 (1991) 1041 (b) Brandi, A., Cicchi, S., Goti, A., and Pietrusiewicz, K. M. Tetrahedron: Asymmetry 2 (1991) 1063 (c) Goti, A., Cicchi, S., Brandi, A. and Pietrusiewicz, K. M. Tetrahedron: Asymmetry 2 (1991) 1371 (d) McCaig, A. E. and Wightman, R. H. Tetrahedron Lett. 34 (1993) 3939 (e) Saito, S., Ishikawa, T., Kishimoto, N., Kohara, T. and Moriwake, T. Synlett (1994) 282 (f) Oppolzer, W., Deerberg, J. and Tamura, O. Helv. Chim. Acta 77 (1994) 554.
10. For recent 1,3-dipolar cycloaddition reactions with chiral nitrones, see: (a) Kiers, D., Moffat, D., Overton, K. and Tomanek, R. J. Chem. Soc., Perkin Trans, 1 (1991) 1041 (b) Brandi, A., Cicchi, S., Goti, A., and Pietrusiewicz, K. M. Tetrahedron: Asymmetry 2 (1991) 1063 (c) Goti, A., Cicchi, S., Brandi, A. and Pietrusiewicz, K. M. Tetrahedron: Asymmetry 2 (1991) 1371 (d) McCaig, A. E. and Wightman, R. H. Tetrahedron Lett. 34 (1993) 3939 (e) Saito, S., Ishikawa, T., Kishimoto, N., Kohara, T. and Moriwake, T. Synlett (1994) 282 (f) Oppolzer, W., Deerberg, J. and Tamura, O. Helv. Chim. Acta 77 (1994) 554.
11. For recent 1,3-dipolar cycloaddition reactions with chiral nitrones, see: (a) Kiers, D., Moffat, D., Overton, K. and Tomanek, R. J. Chem. Soc., Perkin Trans, 1 (1991) 1041 (b) Brandi, A., Cicchi, S., Goti, A., and Pietrusiewicz, K. M. Tetrahedron: Asymmetry 2 (1991) 1063 (c) Goti, A., Cicchi, S., Brandi, A. and Pietrusiewicz, K. M. Tetrahedron: Asymmetry 2 (1991) 1371 (d) McCaig, A. E. and Wightman, R. H. Tetrahedron Lett. 34 (1993) 3939 (e) Saito, S., Ishikawa, T., Kishimoto, N., Kohara, T. and Moriwake, T. Synlett (1994) 282 (f) Oppolzer, W., Deerberg, J. and Tamura, O. Helv. Chim. Acta 77 (1994) 554.
12. For recent 1,3-dipolar cycloaddition reactions with chiral nitrones, see: (a) Kiers, D., Moffat, D., Overton, K. and Tomanek, R. J. Chem. Soc., Perkin Trans, 1 (1991) 1041 (b) Brandi, A., Cicchi, S., Goti, A., and Pietrusiewicz, K. M. Tetrahedron: Asymmetry 2 (1991) 1063 (c) Goti, A., Cicchi, S., Brandi, A. and Pietrusiewicz, K. M. Tetrahedron: Asymmetry 2 (1991) 1371 (d) McCaig, A. E. and Wightman, R. H. Tetrahedron Lett. 34 (1993) 3939 (e) Saito, S., Ishikawa, T., Kishimoto, N., Kohara, T. and Moriwake, T. Synlett (1994) 282 (f) Oppolzer, W., Deerberg, J. and Tamura, O. Helv. Chim. Acta 77 (1994) 554.
13. For recent 1,3-dipolar cycloaddition reactions with chiral alkenes, see: (a) Olsson, T., Stern, K., Westman, G. and Sundell, S. Tetrahedron 46 (1990) 2473 (b) Ito, M. and Kibayashi, C. Tetrahedron 47 (1991) 9329 (c) Camithers, W., Coggins, P. and Weston, J. B. J. Chem. Soc., Chem. Commun. (1991) 117 (d) Takahashi, T., Fujii, A., Sugita, J., Hagi, T., Kitano, K., Arai, Y., Koizumi, T. and Shiro, M. Tetrahedron: Asymmetry 2 (1991) 1379 (e) Panfil, I., Belzecki, C., Urbanczyk-Lipkowska, Z. and Chmielewski, M. Tetrahedron 47 (1991) 10087 (f) Krol, W. J., Mao, S., Steele, D. L. and Townsend, C. A. J. Org. Chem. 56 (1991) 728 (g) Brandi, A., Cicchi, S., Goti, A., Pietrusiewicz, K. M., Zablocka, M. and Wisniewski, W. J. Org. Chem. 56 (1991) 4382 (h) Annunziata, R., Cinquini, M., Cozzi, F., Giaroni, P. and Raimondi, L. Tetrahedron Lett. 32 (1991) 1659 (i) Ito, M., Maeda, M. and Kibayashi, C. Tetrahedron Lett. 33 (1992) 3765 (j) Bravo, P., Bruché, L., Farina, A., Fronza, G., Meule, S. V. and Merli, A. Tetrahedron: Asymmetry 4 (1993) 2131 (k) Saito, S., Ishikawa, T. and Moriwake, T. Synlett (1994) 279 (l) Rispens, M. T., Keller, E., Lange, B., Zijlstra, R. W. J. and Feringa, B. L. Tetrahedron: Asymmetry 5 (1994) 607 (m) Ina, H., Ito, M. and Kibayashi, C. J. Chem. Soc., Chem. Commun. (1995) 1015 (n) Langlois, N., Bac, N. V., Dahuron, N., Delcroix, J.-M., Deyine, A., Griffart-Brunet, D., Chiaroni, A. and Riche, C. Tetrahedron 51 (1995) 3571.
14. For recent 1,3-dipolar cycloaddition reactions with chiral alkenes, see: (a) Olsson, T., Stern, K., Westman, G. and Sundell, S. Tetrahedron 46 (1990) 2473 (b) Ito, M. and Kibayashi, C. Tetrahedron 47 (1991) 9329 (c) Camithers, W., Coggins, P. and Weston, J. B. J. Chem. Soc., Chem. Commun. (1991) 117 (d) Takahashi, T., Fujii, A., Sugita, J., Hagi, T., Kitano, K., Arai, Y., Koizumi, T. and Shiro, M. Tetrahedron: Asymmetry 2 (1991) 1379 (e) Panfil, I., Belzecki, C., Urbanczyk-Lipkowska, Z. and Chmielewski, M. Tetrahedron 47 (1991) 10087 (f) Krol, W. J., Mao, S., Steele, D. L. and Townsend, C. A. J. Org. Chem. 56 (1991) 728 (g) Brandi, A., Cicchi, S., Goti, A., Pietrusiewicz, K. M., Zablocka, M. and Wisniewski, W. J. Org. Chem. 56 (1991) 4382 (h) Annunziata, R., Cinquini, M., Cozzi, F., Giaroni, P. and Raimondi, L. Tetrahedron Lett. 32 (1991) 1659 (i) Ito, M., Maeda, M. and Kibayashi, C. Tetrahedron Lett. 33 (1992) 3765 (j) Bravo, P., Bruché, L., Farina, A., Fronza, G., Meule, S. V. and Merli, A. Tetrahedron: Asymmetry 4 (1993) 2131 (k) Saito, S., Ishikawa, T. and Moriwake, T. Synlett (1994) 279 (l) Rispens, M. T., Keller, E., Lange, B., Zijlstra, R. W. J. and Feringa, B. L. Tetrahedron: Asymmetry 5 (1994) 607 (m) Ina, H., Ito, M. and Kibayashi, C. J. Chem. Soc., Chem. Commun. (1995) 1015 (n) Langlois, N., Bac, N. V., Dahuron, N., Delcroix, J.-M., Deyine, A., Griffart-Brunet, D., Chiaroni, A. and Riche, C. Tetrahedron 51 (1995) 3571.
15. For recent 1,3-dipolar cycloaddition reactions with chiral alkenes, see: (a) Olsson, T., Stern, K., Westman, G. and Sundell, S. Tetrahedron 46 (1990) 2473 (b) Ito, M. and Kibayashi, C. Tetrahedron 47 (1991) 9329 (c) Camithers, W., Coggins, P. and Weston, J. B. J. Chem. Soc., Chem. Commun. (1991) 117 (d) Takahashi, T., Fujii, A., Sugita, J., Hagi, T., Kitano, K., Arai, Y., Koizumi, T. and Shiro, M. Tetrahedron: Asymmetry 2 (1991) 1379 (e) Panfil, I., Belzecki, C., Urbanczyk-Lipkowska, Z. and Chmielewski, M. Tetrahedron 47 (1991) 10087 (f) Krol, W. J., Mao, S., Steele, D. L. and Townsend, C. A. J. Org. Chem. 56 (1991) 728 (g) Brandi, A., Cicchi, S., Goti, A., Pietrusiewicz, K. M., Zablocka, M. and Wisniewski, W. J. Org. Chem. 56 (1991) 4382 (h) Annunziata, R., Cinquini, M., Cozzi, F., Giaroni, P. and Raimondi, L. Tetrahedron Lett. 32 (1991) 1659 (i) Ito, M., Maeda, M. and Kibayashi, C. Tetrahedron Lett. 33 (1992) 3765 (j) Bravo, P., Bruché, L., Farina, A., Fronza, G., Meule, S. V. and Merli, A. Tetrahedron: Asymmetry 4 (1993) 2131 (k) Saito, S., Ishikawa, T. and Moriwake, T. Synlett (1994) 279 (l) Rispens, M. T., Keller, E., Lange, B., Zijlstra, R. W. J. and Feringa, B. L. Tetrahedron: Asymmetry 5 (1994) 607 (m) Ina, H., Ito, M. and Kibayashi, C. J. Chem. Soc., Chem. Commun. (1995) 1015 (n) Langlois, N., Bac, N. V., Dahuron, N., Delcroix, J.-M., Deyine, A., Griffart-Brunet, D., Chiaroni, A. and Riche, C. Tetrahedron 51 (1995) 3571.
16. For recent 1,3-dipolar cycloaddition reactions with chiral alkenes, see: (a) Olsson, T., Stern, K., Westman, G. and Sundell, S. Tetrahedron 46 (1990) 2473 (b) Ito, M. and Kibayashi, C. Tetrahedron 47 (1991) 9329 (c) Camithers, W., Coggins, P. and Weston, J. B. J. Chem. Soc., Chem. Commun. (1991) 117 (d) Takahashi, T., Fujii, A., Sugita, J., Hagi, T., Kitano, K., Arai, Y., Koizumi, T. and Shiro, M. Tetrahedron: Asymmetry 2 (1991) 1379 (e) Panfil, I., Belzecki, C., Urbanczyk-Lipkowska, Z. and Chmielewski, M. Tetrahedron 47 (1991) 10087 (f) Krol, W. J., Mao, S., Steele, D. L. and Townsend, C. A. J. Org. Chem. 56 (1991) 728 (g) Brandi, A., Cicchi, S., Goti, A., Pietrusiewicz, K. M., Zablocka, M. and Wisniewski, W. J. Org. Chem. 56 (1991) 4382 (h) Annunziata, R., Cinquini, M., Cozzi, F., Giaroni, P. and Raimondi, L. Tetrahedron Lett. 32 (1991) 1659 (i) Ito, M., Maeda, M. and Kibayashi, C. Tetrahedron Lett. 33 (1992) 3765 (j) Bravo, P., Bruché, L., Farina, A., Fronza, G., Meule, S. V. and Merli, A. Tetrahedron: Asymmetry 4 (1993) 2131 (k) Saito, S., Ishikawa, T. and Moriwake, T. Synlett (1994) 279 (l) Rispens, M. T., Keller, E., Lange, B., Zijlstra, R. W. J. and Feringa, B. L. Tetrahedron: Asymmetry 5 (1994) 607 (m) Ina, H., Ito, M. and Kibayashi, C. J. Chem. Soc., Chem. Commun. (1995) 1015 (n) Langlois, N., Bac, N. V., Dahuron, N., Delcroix, J.-M., Deyine, A., Griffart-Brunet, D., Chiaroni, A. and Riche, C. Tetrahedron 51 (1995) 3571.
17. For recent 1,3-dipolar cycloaddition reactions with chiral alkenes, see: (a) Olsson, T., Stern, K., Westman, G. and Sundell, S. Tetrahedron 46 (1990) 2473 (b) Ito, M. and Kibayashi, C. Tetrahedron 47 (1991) 9329 (c) Camithers, W., Coggins, P. and Weston, J. B. J. Chem. Soc., Chem. Commun. (1991) 117 (d) Takahashi, T., Fujii, A., Sugita, J., Hagi, T., Kitano, K., Arai, Y., Koizumi, T. and Shiro, M. Tetrahedron: Asymmetry 2 (1991) 1379 (e) Panfil, I., Belzecki, C., Urbanczyk-Lipkowska, Z. and Chmielewski, M. Tetrahedron 47 (1991) 10087 (f) Krol, W. J., Mao, S., Steele, D. L. and Townsend, C. A. J. Org. Chem. 56 (1991) 728 (g) Brandi, A., Cicchi, S., Goti, A., Pietrusiewicz, K. M., Zablocka, M. and Wisniewski, W. J. Org. Chem. 56 (1991) 4382 (h) Annunziata, R., Cinquini, M., Cozzi, F., Giaroni, P. and Raimondi, L. Tetrahedron Lett. 32 (1991) 1659 (i) Ito, M., Maeda, M. and Kibayashi, C. Tetrahedron Lett. 33 (1992) 3765 (j) Bravo, P., Bruché, L., Farina, A., Fronza, G., Meule, S. V. and Merli, A. Tetrahedron: Asymmetry 4 (1993) 2131 (k) Saito, S., Ishikawa, T. and Moriwake, T. Synlett (1994) 279 (l) Rispens, M. T., Keller, E., Lange, B., Zijlstra, R. W. J. and Feringa, B. L. Tetrahedron: Asymmetry 5 (1994) 607 (m) Ina, H., Ito, M. and Kibayashi, C. J. Chem. Soc., Chem. Commun. (1995) 1015 (n) Langlois, N., Bac, N. V., Dahuron, N., Delcroix, J.-M., Deyine, A., Griffart-Brunet, D., Chiaroni, A. and Riche, C. Tetrahedron 51 (1995) 3571.
18. For recent 1,3-dipolar cycloaddition reactions with chiral alkenes, see: (a) Olsson, T., Stern, K., Westman, G. and Sundell, S. Tetrahedron 46 (1990) 2473 (b) Ito, M. and Kibayashi, C. Tetrahedron 47 (1991) 9329 (c) Camithers, W., Coggins, P. and Weston, J. B. J. Chem. Soc., Chem. Commun. (1991) 117 (d) Takahashi, T., Fujii, A., Sugita, J., Hagi, T., Kitano, K., Arai, Y., Koizumi, T. and Shiro, M. Tetrahedron: Asymmetry 2 (1991) 1379 (e) Panfil, I., Belzecki, C., Urbanczyk-Lipkowska, Z. and Chmielewski, M. Tetrahedron 47 (1991) 10087 (f) Krol, W. J., Mao, S., Steele, D. L. and Townsend, C. A. J. Org. Chem. 56 (1991) 728 (g) Brandi, A., Cicchi, S., Goti, A., Pietrusiewicz, K. M., Zablocka, M. and Wisniewski, W. J. Org. Chem. 56 (1991) 4382 (h) Annunziata, R., Cinquini, M., Cozzi, F., Giaroni, P. and Raimondi, L. Tetrahedron Lett. 32 (1991) 1659 (i) Ito, M., Maeda, M. and Kibayashi, C. Tetrahedron Lett. 33 (1992) 3765 (j) Bravo, P., Bruché, L., Farina, A., Fronza, G., Meule, S. V. and Merli, A. Tetrahedron: Asymmetry 4 (1993) 2131 (k) Saito, S., Ishikawa, T. and Moriwake, T. Synlett (1994) 279 (l) Rispens, M. T., Keller, E., Lange, B., Zijlstra, R. W. J. and Feringa, B. L. Tetrahedron: Asymmetry 5 (1994) 607 (m) Ina, H., Ito, M. and Kibayashi, C. J. Chem. Soc., Chem. Commun. (1995) 1015 (n) Langlois, N., Bac, N. V., Dahuron, N., Delcroix, J.-M., Deyine, A., Griffart-Brunet, D., Chiaroni, A. and Riche, C. Tetrahedron 51 (1995) 3571.
19. For recent 1,3-dipolar cycloaddition reactions with chiral alkenes, see: (a) Olsson, T., Stern, K., Westman, G. and Sundell, S. Tetrahedron 46 (1990) 2473 (b) Ito, M. and Kibayashi, C. Tetrahedron 47 (1991) 9329 (c) Camithers, W., Coggins, P. and Weston, J. B. J. Chem. Soc., Chem. Commun. (1991) 117 (d) Takahashi, T., Fujii, A., Sugita, J., Hagi, T., Kitano, K., Arai, Y., Koizumi, T. and Shiro, M. Tetrahedron: Asymmetry 2 (1991) 1379 (e) Panfil, I., Belzecki, C., Urbanczyk-Lipkowska, Z. and Chmielewski, M. Tetrahedron 47 (1991) 10087 (f) Krol, W. J., Mao, S., Steele, D. L. and Townsend, C. A. J. Org. Chem. 56 (1991) 728 (g) Brandi, A., Cicchi, S., Goti, A., Pietrusiewicz, K. M., Zablocka, M. and Wisniewski, W. J. Org. Chem. 56 (1991) 4382 (h) Annunziata, R., Cinquini, M., Cozzi, F., Giaroni, P. and Raimondi, L. Tetrahedron Lett. 32 (1991) 1659 (i) Ito, M., Maeda, M. and Kibayashi, C. Tetrahedron Lett. 33 (1992) 3765 (j) Bravo, P., Bruché, L., Farina, A., Fronza, G., Meule, S. V. and Merli, A. Tetrahedron: Asymmetry 4 (1993) 2131 (k) Saito, S., Ishikawa, T. and Moriwake, T. Synlett (1994) 279 (l) Rispens, M. T., Keller, E., Lange, B., Zijlstra, R. W. J. and Feringa, B. L. Tetrahedron: Asymmetry 5 (1994) 607 (m) Ina, H., Ito, M. and Kibayashi, C. J. Chem. Soc., Chem. Commun. (1995) 1015 (n) Langlois, N., Bac, N. V., Dahuron, N., Delcroix, J.-M., Deyine, A., Griffart-Brunet, D., Chiaroni, A. and Riche, C. Tetrahedron 51 (1995) 3571.
20. For recent 1,3-dipolar cycloaddition reactions with chiral alkenes, see: (a) Olsson, T., Stern, K., Westman, G. and Sundell, S. Tetrahedron 46 (1990) 2473 (b) Ito, M. and Kibayashi, C. Tetrahedron 47 (1991) 9329 (c) Camithers, W., Coggins, P. and Weston, J. B. J. Chem. Soc., Chem. Commun. (1991) 117 (d) Takahashi, T., Fujii, A., Sugita, J., Hagi, T., Kitano, K., Arai, Y., Koizumi, T. and Shiro, M. Tetrahedron: Asymmetry 2 (1991) 1379 (e) Panfil, I., Belzecki, C., Urbanczyk-Lipkowska, Z. and Chmielewski, M. Tetrahedron 47 (1991) 10087 (f) Krol, W. J., Mao, S., Steele, D. L. and Townsend, C. A. J. Org. Chem. 56 (1991) 728 (g) Brandi, A., Cicchi, S., Goti, A., Pietrusiewicz, K. M., Zablocka, M. and Wisniewski, W. J. Org. Chem. 56 (1991) 4382 (h) Annunziata, R., Cinquini, M., Cozzi, F., Giaroni, P. and Raimondi, L. Tetrahedron Lett. 32 (1991) 1659 (i) Ito, M., Maeda, M. and Kibayashi, C. Tetrahedron Lett. 33 (1992) 3765 (j) Bravo, P., Bruché, L., Farina, A., Fronza, G., Meule, S. V. and Merli, A. Tetrahedron: Asymmetry 4 (1993) 2131 (k) Saito, S., Ishikawa, T. and Moriwake, T. Synlett (1994) 279 (l) Rispens, M. T., Keller, E., Lange, B., Zijlstra, R. W. J. and Feringa, B. L. Tetrahedron: Asymmetry 5 (1994) 607 (m) Ina, H., Ito, M. and Kibayashi, C. J. Chem. Soc., Chem. Commun. (1995) 1015 (n) Langlois, N., Bac, N. V., Dahuron, N., Delcroix, J.-M., Deyine, A., Griffart-Brunet, D., Chiaroni, A. and Riche, C. Tetrahedron 51 (1995) 3571.
21. For recent 1,3-dipolar cycloaddition reactions with chiral alkenes, see: (a) Olsson, T., Stern, K., Westman, G. and Sundell, S. Tetrahedron 46 (1990) 2473 (b) Ito, M. and Kibayashi, C. Tetrahedron 47 (1991) 9329 (c) Camithers, W., Coggins, P. and Weston, J. B. J. Chem. Soc., Chem. Commun. (1991) 117 (d) Takahashi, T., Fujii, A., Sugita, J., Hagi, T., Kitano, K., Arai, Y., Koizumi, T. and Shiro, M. Tetrahedron: Asymmetry 2 (1991) 1379 (e) Panfil, I., Belzecki, C., Urbanczyk-Lipkowska, Z. and Chmielewski, M. Tetrahedron 47 (1991) 10087 (f) Krol, W. J., Mao, S., Steele, D. L. and Townsend, C. A. J. Org. Chem. 56 (1991) 728 (g) Brandi, A., Cicchi, S., Goti, A., Pietrusiewicz, K. M., Zablocka, M. and Wisniewski, W. J. Org. Chem. 56 (1991) 4382 (h) Annunziata, R., Cinquini, M., Cozzi, F., Giaroni, P. and Raimondi, L. Tetrahedron Lett. 32 (1991) 1659 (i) Ito, M., Maeda, M. and Kibayashi, C. Tetrahedron Lett. 33 (1992) 3765 (j) Bravo, P., Bruché, L., Farina, A., Fronza, G., Meule, S. V. and Merli, A. Tetrahedron: Asymmetry 4 (1993) 2131 (k) Saito, S., Ishikawa, T. and Moriwake, T. Synlett (1994) 279 (l) Rispens, M. T., Keller, E., Lange, B., Zijlstra, R. W. J. and Feringa, B. L. Tetrahedron: Asymmetry 5 (1994) 607 (m) Ina, H., Ito, M. and Kibayashi, C. J. Chem. Soc., Chem. Commun. (1995) 1015 (n) Langlois, N., Bac, N. V., Dahuron, N., Delcroix, J.-M., Deyine, A., Griffart-Brunet, D., Chiaroni, A. and Riche, C. Tetrahedron 51 (1995) 3571.
22. For recent 1,3-dipolar cycloaddition reactions with chiral alkenes, see: (a) Olsson, T., Stern, K., Westman, G. and Sundell, S. Tetrahedron 46 (1990) 2473 (b) Ito, M. and Kibayashi, C. Tetrahedron 47 (1991) 9329 (c) Camithers, W., Coggins, P. and Weston, J. B. J. Chem. Soc., Chem. Commun. (1991) 117 (d) Takahashi, T., Fujii, A., Sugita, J., Hagi, T., Kitano, K., Arai, Y., Koizumi, T. and Shiro, M. Tetrahedron: Asymmetry 2 (1991) 1379 (e) Panfil, I., Belzecki, C., Urbanczyk-Lipkowska, Z. and Chmielewski, M. Tetrahedron 47 (1991) 10087 (f) Krol, W. J., Mao, S., Steele, D. L. and Townsend, C. A. J. Org. Chem. 56 (1991) 728 (g) Brandi, A., Cicchi, S., Goti, A., Pietrusiewicz, K. M., Zablocka, M. and Wisniewski, W. J. Org. Chem. 56 (1991) 4382 (h) Annunziata, R., Cinquini, M., Cozzi, F., Giaroni, P. and Raimondi, L. Tetrahedron Lett. 32 (1991) 1659 (i) Ito, M., Maeda, M. and Kibayashi, C. Tetrahedron Lett. 33 (1992) 3765 (j) Bravo, P., Bruché, L., Farina, A., Fronza, G., Meule, S. V. and Merli, A. Tetrahedron: Asymmetry 4 (1993) 2131 (k) Saito, S., Ishikawa, T. and Moriwake, T. Synlett (1994) 279 (l) Rispens, M. T., Keller, E., Lange, B., Zijlstra, R. W. J. and Feringa, B. L. Tetrahedron: Asymmetry 5 (1994) 607 (m) Ina, H., Ito, M. and Kibayashi, C. J. Chem. Soc., Chem. Commun. (1995) 1015 (n) Langlois, N., Bac, N. V., Dahuron, N., Delcroix, J.-M., Deyine, A., Griffart-Brunet, D., Chiaroni, A. and Riche, C. Tetrahedron 51 (1995) 3571.
23. For recent 1,3-dipolar cycloaddition reactions with chiral alkenes, see: (a) Olsson, T., Stern, K., Westman, G. and Sundell, S. Tetrahedron 46 (1990) 2473 (b) Ito, M. and Kibayashi, C. Tetrahedron 47 (1991) 9329 (c) Camithers, W., Coggins, P. and Weston, J. B. J. Chem. Soc., Chem. Commun. (1991) 117 (d) Takahashi, T., Fujii, A., Sugita, J., Hagi, T., Kitano, K., Arai, Y., Koizumi, T. and Shiro, M. Tetrahedron: Asymmetry 2 (1991) 1379 (e) Panfil, I., Belzecki, C., Urbanczyk-Lipkowska, Z. and Chmielewski, M. Tetrahedron 47 (1991) 10087 (f) Krol, W. J., Mao, S., Steele, D. L. and Townsend, C. A. J. Org. Chem. 56 (1991) 728 (g) Brandi, A., Cicchi, S., Goti, A., Pietrusiewicz, K. M., Zablocka, M. and Wisniewski, W. J. Org. Chem. 56 (1991) 4382 (h) Annunziata, R., Cinquini, M., Cozzi, F., Giaroni, P. and Raimondi, L. Tetrahedron Lett. 32 (1991) 1659 (i) Ito, M., Maeda, M. and Kibayashi, C. Tetrahedron Lett. 33 (1992) 3765 (j) Bravo, P., Bruché, L., Farina, A., Fronza, G., Meule, S. V. and Merli, A. Tetrahedron: Asymmetry 4 (1993) 2131 (k) Saito, S., Ishikawa, T. and Moriwake, T. Synlett (1994) 279 (l) Rispens, M. T., Keller, E., Lange, B., Zijlstra, R. W. J. and Feringa, B. L. Tetrahedron: Asymmetry 5 (1994) 607 (m) Ina, H., Ito, M. and Kibayashi, C. J. Chem. Soc., Chem. Commun. (1995) 1015 (n) Langlois, N., Bac, N. V., Dahuron, N., Delcroix, J.-M., Deyine, A., Griffart-Brunet, D., Chiaroni, A. and Riche, C. Tetrahedron 51 (1995) 3571.
24. For recent 1,3-dipolar cycloaddition reactions with chiral alkenes, see: (a) Olsson, T., Stern, K., Westman, G. and Sundell, S. Tetrahedron 46 (1990) 2473 (b) Ito, M. and Kibayashi, C. Tetrahedron 47 (1991) 9329 (c) Camithers, W., Coggins, P. and Weston, J. B. J. Chem. Soc., Chem. Commun. (1991) 117 (d) Takahashi, T., Fujii, A., Sugita, J., Hagi, T., Kitano, K., Arai, Y., Koizumi, T. and Shiro, M. Tetrahedron: Asymmetry 2 (1991) 1379 (e) Panfil, I., Belzecki, C., Urbanczyk-Lipkowska, Z. and Chmielewski, M. Tetrahedron 47 (1991) 10087 (f) Krol, W. J., Mao, S., Steele, D. L. and Townsend, C. A. J. Org. Chem. 56 (1991) 728 (g) Brandi, A., Cicchi, S., Goti, A., Pietrusiewicz, K. M., Zablocka, M. and Wisniewski, W. J. Org. Chem. 56 (1991) 4382 (h) Annunziata, R., Cinquini, M., Cozzi, F., Giaroni, P. and Raimondi, L. Tetrahedron Lett. 32 (1991) 1659 (i) Ito, M., Maeda, M. and Kibayashi, C. Tetrahedron Lett. 33 (1992) 3765 (j) Bravo, P., Bruché, L., Farina, A., Fronza, G., Meule, S. V. and Merli, A. Tetrahedron: Asymmetry 4 (1993) 2131 (k) Saito, S., Ishikawa, T. and Moriwake, T. Synlett (1994) 279 (l) Rispens, M. T., Keller, E., Lange, B., Zijlstra, R. W. J. and Feringa, B. L. Tetrahedron: Asymmetry 5 (1994) 607 (m) Ina, H., Ito, M. and Kibayashi, C. J. Chem. Soc., Chem. Commun. (1995) 1015 (n) Langlois, N., Bac, N. V., Dahuron, N., Delcroix, J.-M., Deyine, A., Griffart-Brunet, D., Chiaroni, A. and Riche, C. Tetrahedron 51 (1995) 3571.
25. For recent 1,3-dipolar cycloaddition reactions with chiral alkenes, see: (a) Olsson, T., Stern, K., Westman, G. and Sundell, S. Tetrahedron 46 (1990) 2473 (b) Ito, M. and Kibayashi, C. Tetrahedron 47 (1991) 9329 (c) Camithers, W., Coggins, P. and Weston, J. B. J. Chem. Soc., Chem. Commun. (1991) 117 (d) Takahashi, T., Fujii, A., Sugita, J., Hagi, T., Kitano, K., Arai, Y., Koizumi, T. and Shiro, M. Tetrahedron: Asymmetry 2 (1991) 1379 (e) Panfil, I., Belzecki, C., Urbanczyk-Lipkowska, Z. and Chmielewski, M. Tetrahedron 47 (1991) 10087 (f) Krol, W. J., Mao, S., Steele, D. L. and Townsend, C. A. J. Org. Chem. 56 (1991) 728 (g) Brandi, A., Cicchi, S., Goti, A., Pietrusiewicz, K. M., Zablocka, M. and Wisniewski, W. J. Org. Chem. 56 (1991) 4382 (h) Annunziata, R., Cinquini, M., Cozzi, F., Giaroni, P. and Raimondi, L. Tetrahedron Lett. 32 (1991) 1659 (i) Ito, M., Maeda, M. and Kibayashi, C. Tetrahedron Lett. 33 (1992) 3765 (j) Bravo, P., Bruché, L., Farina, A., Fronza, G., Meule, S. V. and Merli, A. Tetrahedron: Asymmetry 4 (1993) 2131 (k) Saito, S., Ishikawa, T. and Moriwake, T. Synlett (1994) 279 (l) Rispens, M. T., Keller, E., Lange, B., Zijlstra, R. W. J. and Feringa, B. L. Tetrahedron: Asymmetry 5 (1994) 607 (m) Ina, H., Ito, M. and Kibayashi, C. J. Chem. Soc., Chem. Commun. (1995) 1015 (n) Langlois, N., Bac, N. V., Dahuron, N., Delcroix, J.-M., Deyine, A., Griffart-Brunet, D., Chiaroni, A. and Riche, C. Tetrahedron 51 (1995) 3571.
26. For recent 1,3-dipolar cycloaddition reactions with chiral alkenes, see: (a) Olsson, T., Stern, K., Westman, G. and Sundell, S. Tetrahedron 46 (1990) 2473 (b) Ito, M. and Kibayashi, C. Tetrahedron 47 (1991) 9329 (c) Camithers, W., Coggins, P. and Weston, J. B. J. Chem. Soc., Chem. Commun. (1991) 117 (d) Takahashi, T., Fujii, A., Sugita, J., Hagi, T., Kitano, K., Arai, Y., Koizumi, T. and Shiro, M. Tetrahedron: Asymmetry 2 (1991) 1379 (e) Panfil, I., Belzecki, C., Urbanczyk-Lipkowska, Z. and Chmielewski, M. Tetrahedron 47 (1991) 10087 (f) Krol, W. J., Mao, S., Steele, D. L. and Townsend, C. A. J. Org. Chem. 56 (1991) 728 (g) Brandi, A., Cicchi, S., Goti, A., Pietrusiewicz, K. M., Zablocka, M. and Wisniewski, W. J. Org. Chem. 56 (1991) 4382 (h) Annunziata, R., Cinquini, M., Cozzi, F., Giaroni, P. and Raimondi, L. Tetrahedron Lett. 32 (1991) 1659 (i) Ito, M., Maeda, M. and Kibayashi, C. Tetrahedron Lett. 33 (1992) 3765 (j) Bravo, P., Bruché, L., Farina, A., Fronza, G., Meule, S. V. and Merli, A. Tetrahedron: Asymmetry 4 (1993) 2131 (k) Saito, S., Ishikawa, T. and Moriwake, T. Synlett (1994) 279 (l) Rispens, M. T., Keller, E., Lange, B., Zijlstra, R. W. J. and Feringa, B. L. Tetrahedron: Asymmetry 5 (1994) 607 (m) Ina, H., Ito, M. and Kibayashi, C. J. Chem. Soc., Chem. Commun. (1995) 1015 (n) Langlois, N., Bac, N. V., Dahuron, N., Delcroix, J.-M., Deyine, A., Griffart-Brunet, D., Chiaroni, A. and Riche, C. Tetrahedron 51 (1995) 3571.
27. For 1,3-dipolar cycloaddition reactions involving metalcomplexes, see: (a) Kanemasa, S., Uemura, T. and Wada, E. Tetrahedron Lett. 33 (1992) 7889 (b) Kanemasa, S., Tsuruoka, T. and Wada, E. Tetrahedron Lett. 34 (1993) 87 (c) Kanemasa, S., Nishiuchi, M., Kamimura, A. and Hori, K. J. Am. Chem. Soc. 116 (1994) 2324 (d) Kanemasa, S. and Tsuruoka, T. Chem. Lett. (1995) 49 (e) Murahashi, S.-I., Imada, Y., Kohno, M. and Kawakami, T. Synlett (1993) 395 (f) Tamura, O., Yamaguchi, T., Noe, K. and Sakamoto, M. Tetrahedron Lett. 34 (1993) 4009 (g) Tamura, O., Yamaguchi, T., Okabe, T. and Sakamoto, M. Synlett (1994) 620 (h) Gilbertson, S. R., Dawson, D. P., Lopez, O. D. and Marshall, K. L. J. Am. Chem. Soc. 117 (1995) 4431 (i) Seerden, J.-P. G., Scholte op Reimer, A. W. A. and Scheeren, H. W. Tetrahedron Lett. 35 (1994) 4419 (j) Seerden, J.-P., Kuypers, M. M. M. and Scheeren, H. W. Tetrahedron: Asymmetry 6 (1995) 1441.
28. For 1,3-dipolar cycloaddition reactions involving metalcomplexes, see: (a) Kanemasa, S., Uemura, T. and Wada, E. Tetrahedron Lett. 33 (1992) 7889 (b) Kanemasa, S., Tsuruoka, T. and Wada, E. Tetrahedron Lett. 34 (1993) 87 (c) Kanemasa, S., Nishiuchi, M., Kamimura, A. and Hori, K. J. Am. Chem. Soc. 116 (1994) 2324 (d) Kanemasa, S. and Tsuruoka, T. Chem. Lett. (1995) 49 (e) Murahashi, S.-I., Imada, Y., Kohno, M. and Kawakami, T. Synlett (1993) 395 (f) Tamura, O., Yamaguchi, T., Noe, K. and Sakamoto, M. Tetrahedron Lett. 34 (1993) 4009 (g) Tamura, O., Yamaguchi, T., Okabe, T. and Sakamoto, M. Synlett (1994) 620 (h) Gilbertson, S. R., Dawson, D. P., Lopez, O. D. and Marshall, K. L. J. Am. Chem. Soc. 117 (1995) 4431 (i) Seerden, J.-P. G., Scholte op Reimer, A. W. A. and Scheeren, H. W. Tetrahedron Lett. 35 (1994) 4419 (j) Seerden, J.-P., Kuypers, M. M. M. and Scheeren, H. W. Tetrahedron: Asymmetry 6 (1995) 1441.
29. For 1,3-dipolar cycloaddition reactions involving metalcomplexes, see: (a) Kanemasa, S., Uemura, T. and Wada, E. Tetrahedron Lett. 33 (1992) 7889 (b) Kanemasa, S., Tsuruoka, T. and Wada, E. Tetrahedron Lett. 34 (1993) 87 (c) Kanemasa, S., Nishiuchi, M., Kamimura, A. and Hori, K. J. Am. Chem. Soc. 116 (1994) 2324 (d) Kanemasa, S. and Tsuruoka, T. Chem. Lett. (1995) 49 (e) Murahashi, S.-I., Imada, Y., Kohno, M. and Kawakami, T. Synlett (1993) 395 (f) Tamura, O., Yamaguchi, T., Noe, K. and Sakamoto, M. Tetrahedron Lett. 34 (1993) 4009 (g) Tamura, O., Yamaguchi, T., Okabe, T. and Sakamoto, M. Synlett (1994) 620 (h) Gilbertson, S. R., Dawson, D. P., Lopez, O. D. and Marshall, K. L. J. Am. Chem. Soc. 117 (1995) 4431 (i) Seerden, J.-P. G., Scholte op Reimer, A. W. A. and Scheeren, H. W. Tetrahedron Lett. 35 (1994) 4419 (j) Seerden, J.-P., Kuypers, M. M. M. and Scheeren, H. W. Tetrahedron: Asymmetry 6 (1995) 1441.
30. For 1,3-dipolar cycloaddition reactions involving metalcomplexes, see: (a) Kanemasa, S., Uemura, T. and Wada, E. Tetrahedron Lett. 33 (1992) 7889 (b) Kanemasa, S., Tsuruoka, T. and Wada, E. Tetrahedron Lett. 34 (1993) 87 (c) Kanemasa, S., Nishiuchi, M., Kamimura, A. and Hori, K. J. Am. Chem. Soc. 116 (1994) 2324 (d) Kanemasa, S. and Tsuruoka, T. Chem. Lett. (1995) 49 (e) Murahashi, S.-I., Imada, Y., Kohno, M. and Kawakami, T. Synlett (1993) 395 (f) Tamura, O., Yamaguchi, T., Noe, K. and Sakamoto, M. Tetrahedron Lett. 34 (1993) 4009 (g) Tamura, O., Yamaguchi, T., Okabe, T. and Sakamoto, M. Synlett (1994) 620 (h) Gilbertson, S. R., Dawson, D. P., Lopez, O. D. and Marshall, K. L. J. Am. Chem. Soc. 117 (1995) 4431 (i) Seerden, J.-P. G., Scholte op Reimer, A. W. A. and Scheeren, H. W. Tetrahedron Lett. 35 (1994) 4419 (j) Seerden, J.-P., Kuypers, M. M. M. and Scheeren, H. W. Tetrahedron: Asymmetry 6 (1995) 1441.
31. For 1,3-dipolar cycloaddition reactions involving metalcomplexes, see: (a) Kanemasa, S., Uemura, T. and Wada, E. Tetrahedron Lett. 33 (1992) 7889 (b) Kanemasa, S., Tsuruoka, T. and Wada, E. Tetrahedron Lett. 34 (1993) 87 (c) Kanemasa, S., Nishiuchi, M., Kamimura, A. and Hori, K. J. Am. Chem. Soc. 116 (1994) 2324 (d) Kanemasa, S. and Tsuruoka, T. Chem. Lett. (1995) 49 (e) Murahashi, S.-I., Imada, Y., Kohno, M. and Kawakami, T. Synlett (1993) 395 (f) Tamura, O., Yamaguchi, T., Noe, K. and Sakamoto, M. Tetrahedron Lett. 34 (1993) 4009 (g) Tamura, O., Yamaguchi, T., Okabe, T. and Sakamoto, M. Synlett (1994) 620 (h) Gilbertson, S. R., Dawson, D. P., Lopez, O. D. and Marshall, K. L. J. Am. Chem. Soc. 117 (1995) 4431 (i) Seerden, J.-P. G., Scholte op Reimer, A. W. A. and Scheeren, H. W. Tetrahedron Lett. 35 (1994) 4419 (j) Seerden, J.-P., Kuypers, M. M. M. and Scheeren, H. W. Tetrahedron: Asymmetry 6 (1995) 1441.
32. For 1,3-dipolar cycloaddition reactions involving metalcomplexes, see: (a) Kanemasa, S., Uemura, T. and Wada, E. Tetrahedron Lett. 33 (1992) 7889 (b) Kanemasa, S., Tsuruoka, T. and Wada, E. Tetrahedron Lett. 34 (1993) 87 (c) Kanemasa, S., Nishiuchi, M., Kamimura, A. and Hori, K. J. Am. Chem. Soc. 116 (1994) 2324 (d) Kanemasa, S. and Tsuruoka, T. Chem. Lett. (1995) 49 (e) Murahashi, S.-I., Imada, Y., Kohno, M. and Kawakami, T. Synlett (1993) 395 (f) Tamura, O., Yamaguchi, T., Noe, K. and Sakamoto, M. Tetrahedron Lett. 34 (1993) 4009 (g) Tamura, O., Yamaguchi, T., Okabe, T. and Sakamoto, M. Synlett (1994) 620 (h) Gilbertson, S. R., Dawson, D. P., Lopez, O. D. and Marshall, K. L. J. Am. Chem. Soc. 117 (1995) 4431 (i) Seerden, J.-P. G., Scholte op Reimer, A. W. A. and Scheeren, H. W. Tetrahedron Lett. 35 (1994) 4419 (j) Seerden, J.-P., Kuypers, M. M. M. and Scheeren, H. W. Tetrahedron: Asymmetry 6 (1995) 1441.
33. For 1,3-dipolar cycloaddition reactions involving metalcomplexes, see: (a) Kanemasa, S., Uemura, T. and Wada, E. Tetrahedron Lett. 33 (1992) 7889 (b) Kanemasa, S., Tsuruoka, T. and Wada, E. Tetrahedron Lett. 34 (1993) 87 (c) Kanemasa, S., Nishiuchi, M., Kamimura, A. and Hori, K. J. Am. Chem. Soc. 116 (1994) 2324 (d) Kanemasa, S. and Tsuruoka, T. Chem. Lett. (1995) 49 (e) Murahashi, S.-I., Imada, Y., Kohno, M. and Kawakami, T. Synlett (1993) 395 (f) Tamura, O., Yamaguchi, T., Noe, K. and Sakamoto, M. Tetrahedron Lett. 34 (1993) 4009 (g) Tamura, O., Yamaguchi, T., Okabe, T. and Sakamoto, M. Synlett (1994) 620 (h) Gilbertson, S. R., Dawson, D. P., Lopez, O. D. and Marshall, K. L. J. Am. Chem. Soc. 117 (1995) 4431 (i) Seerden, J.-P. G., Scholte op Reimer, A. W. A. and Scheeren, H. W. Tetrahedron Lett. 35 (1994) 4419 (j) Seerden, J.-P., Kuypers, M. M. M. and Scheeren, H. W. Tetrahedron: Asymmetry 6 (1995) 1441.
34. For 1,3-dipolar cycloaddition reactions involving metalcomplexes, see: (a) Kanemasa, S., Uemura, T. and Wada, E. Tetrahedron Lett. 33 (1992) 7889 (b) Kanemasa, S., Tsuruoka, T. and Wada, E. Tetrahedron Lett. 34 (1993) 87 (c) Kanemasa, S., Nishiuchi, M., Kamimura, A. and Hori, K. J. Am. Chem. Soc. 116 (1994) 2324 (d) Kanemasa, S. and Tsuruoka, T. Chem. Lett. (1995) 49 (e) Murahashi, S.-I., Imada, Y., Kohno, M. and Kawakami, T. Synlett (1993) 395 (f) Tamura, O., Yamaguchi, T., Noe, K. and Sakamoto, M. Tetrahedron Lett. 34 (1993) 4009 (g) Tamura, O., Yamaguchi, T., Okabe, T. and Sakamoto, M. Synlett (1994) 620 (h) Gilbertson, S. R., Dawson, D. P., Lopez, O. D. and Marshall, K. L. J. Am. Chem. Soc. 117 (1995) 4431 (i) Seerden, J.-P. G., Scholte op Reimer, A. W. A. and Scheeren, H. W. Tetrahedron Lett. 35 (1994) 4419 (j) Seerden, J.-P., Kuypers, M. M. M. and Scheeren, H. W. Tetrahedron: Asymmetry 6 (1995) 1441.
35. For 1,3-dipolar cycloaddition reactions involving metalcomplexes, see: (a) Kanemasa, S., Uemura, T. and Wada, E. Tetrahedron Lett. 33 (1992) 7889 (b) Kanemasa, S., Tsuruoka, T. and Wada, E. Tetrahedron Lett. 34 (1993) 87 (c) Kanemasa, S., Nishiuchi, M., Kamimura, A. and Hori, K. J. Am. Chem. Soc. 116 (1994) 2324 (d) Kanemasa, S. and Tsuruoka, T. Chem. Lett. (1995) 49 (e) Murahashi, S.-I., Imada, Y., Kohno, M. and Kawakami, T. Synlett (1993) 395 (f) Tamura, O., Yamaguchi, T., Noe, K. and Sakamoto, M. Tetrahedron Lett. 34 (1993) 4009 (g) Tamura, O., Yamaguchi, T., Okabe, T. and Sakamoto, M. Synlett (1994) 620 (h) Gilbertson, S. R., Dawson, D. P., Lopez, O. D. and Marshall, K. L. J. Am. Chem. Soc. 117 (1995) 4431 (i) Seerden, J.-P. G., Scholte op Reimer, A. W. A. and Scheeren, H. W. Tetrahedron Lett. 35 (1994) 4419 (j) Seerden, J.-P., Kuypers, M. M. M. and Scheeren, H. W. Tetrahedron: Asymmetry 6 (1995) 1441.
36. For 1,3-dipolar cycloaddition reactions involving metalcomplexes, see: (a) Kanemasa, S., Uemura, T. and Wada, E. Tetrahedron Lett. 33 (1992) 7889 (b) Kanemasa, S., Tsuruoka, T. and Wada, E. Tetrahedron Lett. 34 (1993) 87 (c) Kanemasa, S., Nishiuchi, M., Kamimura, A. and Hori, K. J. Am. Chem. Soc. 116 (1994) 2324 (d) Kanemasa, S. and Tsuruoka, T. Chem. Lett. (1995) 49 (e) Murahashi, S.-I., Imada, Y., Kohno, M. and Kawakami, T. Synlett (1993) 395 (f) Tamura, O., Yamaguchi, T., Noe, K. and Sakamoto, M. Tetrahedron Lett. 34 (1993) 4009 (g) Tamura, O., Yamaguchi, T., Okabe, T. and Sakamoto, M. Synlett (1994) 620 (h) Gilbertson, S. R., Dawson, D. P., Lopez, O. D. and Marshall, K. L. J. Am. Chem. Soc. 117 (1995) 4431 (i) Seerden, J.-P. G., Scholte op Reimer, A. W. A. and Scheeren, H. W. Tetrahedron Lett. 35 (1994) 4419 (j) Seerden, J.-P., Kuypers, M. M. M. and Scheeren, H. W. Tetrahedron: Asymmetry 6 (1995) 1441.
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