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S. Kanemasa, T. Uemura, and E. Wada, Tetrahedron Lett., 33, 7889 (1992); S. Kanemasa, M. Nishiuchi, A. Kamimura, and K. Hori, J. Am. Chem. Soc., 116, 2324 (1994); S.-I. Murahashi, Y. Imada, M. Kohno, and T. Kawakami, Synlett, 1993, 395; O. Tamura, T. Yamaguchi, K. Noe, and M. Sakamoto, Tetrahedron Lett., 34, 4009 (1993); Y. Tokunaga, M. Ihara, and K. Fukumoto, Tetrahedron Lett., 37, 6157 (1996); M. Shimizu, Y. Ukaji, and K. Inomata, Chem. Lett., 1996, 455.
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Recently, multiple-component reactions have been recognized as one of the most efficient methods for library construction. I. Ugi, A. Dömling, and W. Hörl, Endeavour, 18, 115 (1994); R. Armstrong, A. P. Combs, P. A. Tempest, S. D. Brown, and T. A. Keating, Acc. Chem. Res., 29, 123 (1996).
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0028757621
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Recently, multiple-component reactions have been recognized as one of the most efficient methods for library construction. I. Ugi, A. Dömling, and W. Hörl, Endeavour, 18, 115 (1994); R. Armstrong, A. P. Combs, P. A. Tempest, S. D. Brown, and T. A. Keating, Acc. Chem. Res., 29, 123 (1996).
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85047672030
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S. Kobayashi, M. Araki, and M. Yasuda, Tetrahedron Lett., 36, 5773 (1995); S. Kobayashi and H. Ishitani, J. Chem. Soc., Chem. Commun., 1995, 1379; S. Kobayashi, I. Hachiya, S. Suzuki, and M. Moriwaki, Tetrahedron Lett., 37, 2809 (1996); S. Kobayashi, H. Ishitani, S. Komiyama, D. C. Oniciu, and A. R. Katritzky, Tetrahedron Lett., 37, 3731 (1996); S. Kobayashi, M. Moriwaki, R. Akiyama, S. Suzuki, and I. Hachiya, Tetrahedron Lett., 37, 7783 (1996); S. Kobayashi, S. Nagayama, and T. Busujima, Tetrahedron Lett., 37, 9221 (1996); S. Kobayashi and S. Nagayama, J. Org. Chem., 62, 232 (1997).
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Kobayashi, S.1
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0029994914
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S. Kobayashi, M. Araki, and M. Yasuda, Tetrahedron Lett., 36, 5773 (1995); S. Kobayashi and H. Ishitani, J. Chem. Soc., Chem. Commun., 1995, 1379; S. Kobayashi, I. Hachiya, S. Suzuki, and M. Moriwaki, Tetrahedron Lett., 37, 2809 (1996); S. Kobayashi, H. Ishitani, S. Komiyama, D. C. Oniciu, and A. R. Katritzky, Tetrahedron Lett., 37, 3731 (1996); S. Kobayashi, M. Moriwaki, R. Akiyama, S. Suzuki, and I. Hachiya, Tetrahedron Lett., 37, 7783 (1996); S. Kobayashi, S. Nagayama, and T. Busujima, Tetrahedron Lett., 37, 9221 (1996); S. Kobayashi and S. Nagayama, J. Org. Chem., 62, 232 (1997).
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Kobayashi, S.1
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0030597207
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S. Kobayashi, M. Araki, and M. Yasuda, Tetrahedron Lett., 36, 5773 (1995); S. Kobayashi and H. Ishitani, J. Chem. Soc., Chem. Commun., 1995, 1379; S. Kobayashi, I. Hachiya, S. Suzuki, and M. Moriwaki, Tetrahedron Lett., 37, 2809 (1996); S. Kobayashi, H. Ishitani, S. Komiyama, D. C. Oniciu, and A. R. Katritzky, Tetrahedron Lett., 37, 3731 (1996); S. Kobayashi, M. Moriwaki, R. Akiyama, S. Suzuki, and I. Hachiya, Tetrahedron Lett., 37, 7783 (1996); S. Kobayashi, S. Nagayama, and T. Busujima, Tetrahedron Lett., 37, 9221 (1996); S. Kobayashi and S. Nagayama, J. Org. Chem., 62, 232 (1997).
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Tetrahedron Lett.
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Kobayashi, S.1
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18
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0030590980
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S. Kobayashi, M. Araki, and M. Yasuda, Tetrahedron Lett., 36, 5773 (1995); S. Kobayashi and H. Ishitani, J. Chem. Soc., Chem. Commun., 1995, 1379; S. Kobayashi, I. Hachiya, S. Suzuki, and M. Moriwaki, Tetrahedron Lett., 37, 2809 (1996); S. Kobayashi, H. Ishitani, S. Komiyama, D. C. Oniciu, and A. R. Katritzky, Tetrahedron Lett., 37, 3731 (1996); S. Kobayashi, M. Moriwaki, R. Akiyama, S. Suzuki, and I. Hachiya, Tetrahedron Lett., 37, 7783 (1996); S. Kobayashi, S. Nagayama, and T. Busujima, Tetrahedron Lett., 37, 9221 (1996); S. Kobayashi and S. Nagayama, J. Org. Chem., 62, 232 (1997).
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Tetrahedron Lett.
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Kobayashi, S.1
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0000050581
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S. Kobayashi, M. Araki, and M. Yasuda, Tetrahedron Lett., 36, 5773 (1995); S. Kobayashi and H. Ishitani, J. Chem. Soc., Chem. Commun., 1995, 1379; S. Kobayashi, I. Hachiya, S. Suzuki, and M. Moriwaki, Tetrahedron Lett., 37, 2809 (1996); S. Kobayashi, H. Ishitani, S. Komiyama, D. C. Oniciu, and A. R. Katritzky, Tetrahedron Lett., 37, 3731 (1996); S. Kobayashi, M. Moriwaki, R. Akiyama, S. Suzuki, and I. Hachiya, Tetrahedron Lett., 37, 7783 (1996); S. Kobayashi, S. Nagayama, and T. Busujima, Tetrahedron Lett., 37, 9221 (1996); S. Kobayashi and S. Nagayama, J. Org. Chem., 62, 232 (1997).
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Kobayashi, S.1
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S. Kobayashi, H. Ishitani, and S. Nagayama, Chem. Lett., 1995, 423; S. Kobayashi, H. Ishitani, and S. Nagayama, Synthesis, 1995, 1195; S. Kobayashi and S. Nagayama, J. Org. Chem., 61, 2256 (1996); S. Kobayashi and S. Nagayama, J. Am. Chem. Soc., 118, 8977 (1996).
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Kobayashi, S.1
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23
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S. Kobayashi, H. Ishitani, and S. Nagayama, Chem. Lett., 1995, 423; S. Kobayashi, H. Ishitani, and S. Nagayama, Synthesis, 1995, 1195; S. Kobayashi and S. Nagayama, J. Org. Chem., 61, 2256 (1996); S. Kobayashi and S. Nagayama, J. Am. Chem. Soc., 118, 8977 (1996).
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J. Am. Chem. Soc.
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Kobayashi, S.1
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Synlett
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J. Org. Chem.
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30244534977
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Tokyo, 2F3 37
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Unpublished. Cf. S. Minakata, T. Ezoe, R. Ilhyong, M. Komatsu, and Y. Ohshiro, the 72nd Annual Meeting of the Chemical Society of Japan, Tokyo, 1997, 2F3 37.
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72nd Annual Meeting of the Chemical Society of Japan
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Minakata, S.1
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Ohshiro, Y.5
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30244498797
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note
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4-9
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29
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85064667331
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S. Kobayashi, Synlett, 1994, 689; S. Kobayashi, I. Hachiya, and Y. Yamanoi, Bull. Chem. Soc. Jpn., 67, 2342 (1994).
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Synlett
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Kobayashi, S.1
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0000726479
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S. Kobayashi, Synlett, 1994, 689; S. Kobayashi, I. Hachiya, and Y. Yamanoi, Bull. Chem. Soc. Jpn., 67, 2342 (1994).
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Hachiya, I.2
Yamanoi, Y.3
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31
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30244556472
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-
note
-
3, etc. and found that they were also effective. Full data will be reported in due course.
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-
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32
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0031012571
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As for asymmetric 1,3-dipolar cycloaddition of nitrones to alkenes using chiral catalysts, Review: M. Frederickson, Tetrahedron, 53, 403 (1997); See also, K. V. Gothelf and K. A. Jørgensen, J. Org. Chem., 59, 5687 (1994); J.-P. G. Seerden, A. W. A. Scholte op Reimer, and H. W. Scheeren, Tetrahedron Lett., 35, 4419 (1994); J.-P. G. Seerden, M. M. M. Kuypers, and H. W. Scheeren, Tetrahedron Asym., 6, 1441 (1995); D. Seebach, R. E. Marti, and T. Hintermann, Helv. Chim. Acta, 79, 1710 (1996); K. Hori, H. Kodama, T. Ohta, and I. Furukawa, Tetrahedron Lett., 37, 5947 (1996); K. B. Jensen, K. V. Gothelf, R. G. Hazell, and K. A. Jørgensen, J. Org. Chem., 62, 2471 (1997), and references cited therein. Cf. K. Narasaka, N. Iwasawa, M. Inoue, T. Yamada, M. Nakashima, and J. Sugimori, J. Am. Chem. Soc., 111, 5340 (1989).
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Tetrahedron
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Frederickson, M.1
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33
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0000104422
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As for asymmetric 1,3-dipolar cycloaddition of nitrones to alkenes using chiral catalysts, Review: M. Frederickson, Tetrahedron, 53, 403 (1997); See also, K. V. Gothelf and K. A. Jørgensen, J. Org. Chem., 59, 5687 (1994); J.-P. G. Seerden, A. W. A. Scholte op Reimer, and H. W. Scheeren, Tetrahedron Lett., 35, 4419 (1994); J.-P. G. Seerden, M. M. M. Kuypers, and H. W. Scheeren, Tetrahedron Asym., 6, 1441 (1995); D. Seebach, R. E. Marti, and T. Hintermann, Helv. Chim. Acta, 79, 1710 (1996); K. Hori, H. Kodama, T. Ohta, and I. Furukawa, Tetrahedron Lett., 37, 5947 (1996); K. B. Jensen, K. V. Gothelf, R. G. Hazell, and K. A. Jørgensen, J. Org. Chem., 62, 2471 (1997), and references cited therein. Cf. K. Narasaka, N. Iwasawa, M. Inoue, T. Yamada, M. Nakashima, and J. Sugimori, J. Am. Chem. Soc., 111, 5340 (1989).
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Gothelf, K.V.1
Jørgensen, K.A.2
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0028361611
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As for asymmetric 1,3-dipolar cycloaddition of nitrones to alkenes using chiral catalysts, Review: M. Frederickson, Tetrahedron, 53, 403 (1997); See also, K. V. Gothelf and K. A. Jørgensen, J. Org. Chem., 59, 5687 (1994); J.-P. G. Seerden, A. W. A. Scholte op Reimer, and H. W. Scheeren, Tetrahedron Lett., 35, 4419 (1994); J.-P. G. Seerden, M. M. M. Kuypers, and H. W. Scheeren, Tetrahedron Asym., 6, 1441 (1995); D. Seebach, R. E. Marti, and T. Hintermann, Helv. Chim. Acta, 79, 1710 (1996); K. Hori, H. Kodama, T. Ohta, and I. Furukawa, Tetrahedron Lett., 37, 5947 (1996); K. B. Jensen, K. V. Gothelf, R. G. Hazell, and K. A. Jørgensen, J. Org. Chem., 62, 2471 (1997), and references cited therein. Cf. K. Narasaka, N. Iwasawa, M. Inoue, T. Yamada, M. Nakashima, and J. Sugimori, J. Am. Chem. Soc., 111, 5340 (1989).
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Seerden, J.-P.G.1
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0029033931
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As for asymmetric 1,3-dipolar cycloaddition of nitrones to alkenes using chiral catalysts, Review: M. Frederickson, Tetrahedron, 53, 403 (1997); See also, K. V. Gothelf and K. A. Jørgensen, J. Org. Chem., 59, 5687 (1994); J.-P. G. Seerden, A. W. A. Scholte op Reimer, and H. W. Scheeren, Tetrahedron Lett., 35, 4419 (1994); J.-P. G. Seerden, M. M. M. Kuypers, and H. W. Scheeren, Tetrahedron Asym., 6, 1441 (1995); D. Seebach, R. E. Marti, and T. Hintermann, Helv. Chim. Acta, 79, 1710 (1996); K. Hori, H. Kodama, T. Ohta, and I. Furukawa, Tetrahedron Lett., 37, 5947 (1996); K. B. Jensen, K. V. Gothelf, R. G. Hazell, and K. A. Jørgensen, J. Org. Chem., 62, 2471 (1997), and references cited therein. Cf. K. Narasaka, N. Iwasawa, M. Inoue, T. Yamada, M. Nakashima, and J. Sugimori, J. Am. Chem. Soc., 111, 5340 (1989).
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0007232798
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As for asymmetric 1,3-dipolar cycloaddition of nitrones to alkenes using chiral catalysts, Review: M. Frederickson, Tetrahedron, 53, 403 (1997); See also, K. V. Gothelf and K. A. Jørgensen, J. Org. Chem., 59, 5687 (1994); J.-P. G. Seerden, A. W. A. Scholte op Reimer, and H. W. Scheeren, Tetrahedron Lett., 35, 4419 (1994); J.-P. G. Seerden, M. M. M. Kuypers, and H. W. Scheeren, Tetrahedron Asym., 6, 1441 (1995); D. Seebach, R. E. Marti, and T. Hintermann, Helv. Chim. Acta, 79, 1710 (1996); K. Hori, H. Kodama, T. Ohta, and I. Furukawa, Tetrahedron Lett., 37, 5947 (1996); K. B. Jensen, K. V. Gothelf, R. G. Hazell, and K. A. Jørgensen, J. Org. Chem., 62, 2471 (1997), and references cited therein. Cf. K. Narasaka, N. Iwasawa, M. Inoue, T. Yamada, M. Nakashima, and J. Sugimori, J. Am. Chem. Soc., 111, 5340 (1989).
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0030581362
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As for asymmetric 1,3-dipolar cycloaddition of nitrones to alkenes using chiral catalysts, Review: M. Frederickson, Tetrahedron, 53, 403 (1997); See also, K. V. Gothelf and K. A. Jørgensen, J. Org. Chem., 59, 5687 (1994); J.-P. G. Seerden, A. W. A. Scholte op Reimer, and H. W. Scheeren, Tetrahedron Lett., 35, 4419 (1994); J.-P. G. Seerden, M. M. M. Kuypers, and H. W. Scheeren, Tetrahedron Asym., 6, 1441 (1995); D. Seebach, R. E. Marti, and T. Hintermann, Helv. Chim. Acta, 79, 1710 (1996); K. Hori, H. Kodama, T. Ohta, and I. Furukawa, Tetrahedron Lett., 37, 5947 (1996); K. B. Jensen, K. V. Gothelf, R. G. Hazell, and K. A. Jørgensen, J. Org. Chem., 62, 2471 (1997), and references cited therein. Cf. K. Narasaka, N. Iwasawa, M. Inoue, T. Yamada, M. Nakashima, and J. Sugimori, J. Am. Chem. Soc., 111, 5340 (1989).
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Hori, K.1
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38
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0000619069
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and references cited therein
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As for asymmetric 1,3-dipolar cycloaddition of nitrones to alkenes using chiral catalysts, Review: M. Frederickson, Tetrahedron, 53, 403 (1997); See also, K. V. Gothelf and K. A. Jørgensen, J. Org. Chem., 59, 5687 (1994); J.-P. G. Seerden, A. W. A. Scholte op Reimer, and H. W. Scheeren, Tetrahedron Lett., 35, 4419 (1994); J.-P. G. Seerden, M. M. M. Kuypers, and H. W. Scheeren, Tetrahedron Asym., 6, 1441 (1995); D. Seebach, R. E. Marti, and T. Hintermann, Helv. Chim. Acta, 79, 1710 (1996); K. Hori, H. Kodama, T. Ohta, and I. Furukawa, Tetrahedron Lett., 37, 5947 (1996); K. B. Jensen, K. V. Gothelf, R. G. Hazell, and K. A. Jørgensen, J. Org. Chem., 62, 2471 (1997), and references cited therein. Cf. K. Narasaka, N. Iwasawa, M. Inoue, T. Yamada, M. Nakashima, and J. Sugimori, J. Am. Chem. Soc., 111, 5340 (1989).
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Jensen, K.B.1
Gothelf, K.V.2
Hazell, R.G.3
Jørgensen, K.A.4
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39
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33845183220
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As for asymmetric 1,3-dipolar cycloaddition of nitrones to alkenes using chiral catalysts, Review: M. Frederickson, Tetrahedron, 53, 403 (1997); See also, K. V. Gothelf and K. A. Jørgensen, J. Org. Chem., 59, 5687 (1994); J.-P. G. Seerden, A. W. A. Scholte op Reimer, and H. W. Scheeren, Tetrahedron Lett., 35, 4419 (1994); J.-P. G. Seerden, M. M. M. Kuypers, and H. W. Scheeren, Tetrahedron Asym., 6, 1441 (1995); D. Seebach, R. E. Marti, and T. Hintermann, Helv. Chim. Acta, 79, 1710 (1996); K. Hori, H. Kodama, T. Ohta, and I. Furukawa, Tetrahedron Lett., 37, 5947 (1996); K. B. Jensen, K. V. Gothelf, R. G. Hazell, and K. A. Jørgensen, J. Org. Chem., 62, 2471 (1997), and references cited therein. Cf. K. Narasaka, N. Iwasawa, M. Inoue, T. Yamada, M. Nakashima, and J. Sugimori, J. Am. Chem. Soc., 111, 5340 (1989).
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Narasaka, K.1
Iwasawa, N.2
Inoue, M.3
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Nakashima, M.5
Sugimori, J.6
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40
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0001045470
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S. Kobayashi and H. Ishitani, J. Am. Chem. Soc., 116, 4083 (1994); S. Kobayashi, M. Araki, and I. Hachiya, J. Org. Chem., 59, 3758 (1994); H. Ishitani and S. Kobayashi, Tetrahedron Lett., 37, 7357 (1996), and references cited therein.
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Kobayashi, S.1
Ishitani, H.2
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41
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0000082453
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S. Kobayashi and H. Ishitani, J. Am. Chem. Soc., 116, 4083 (1994); S. Kobayashi, M. Araki, and I. Hachiya, J. Org. Chem., 59, 3758 (1994); H. Ishitani and S. Kobayashi, Tetrahedron Lett., 37, 7357 (1996), and references cited therein.
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Kobayashi, S.1
Araki, M.2
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42
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0030573985
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and references cited therein
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S. Kobayashi and H. Ishitani, J. Am. Chem. Soc., 116, 4083 (1994); S. Kobayashi, M. Araki, and I. Hachiya, J. Org. Chem., 59, 3758 (1994); H. Ishitani and S. Kobayashi, Tetrahedron Lett., 37, 7357 (1996), and references cited therein.
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Tetrahedron Lett.
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-
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Ishitani, H.1
Kobayashi, S.2
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43
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30244569268
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note
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We have found that reverse enantioselectivity was observed when a chiral scandium catalyst was used in stead of the chiral ytterbium catalyst (the same chiral source). Further investigations are under way and will be reported in due course.
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44
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30244571642
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note
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This work was partially supported by a grant-in-Aid for Scientific Research from the Ministry of Education, Science, Sports and Culture, Japan. H.I. thanks the JSPS fellowship for Japanese Junior Scientists.
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