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For a review of ferrocenyl phosphines in asymmetric synthesis, see
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For a review of ferrocenyl phosphines in asymmetric synthesis, see: Colacot, T. J. Chem. Rev. 2003, 103, 3101-3118.
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Colacot, T.J.1
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33847006779
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2Br gave 93% of the corresponding (R,Sp)-mono bromide together with 7% of the 1,5-dibromide.
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2Br gave 93% of the corresponding (R,Sp)-mono bromide together with 7% of the 1,5-dibromide.
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14
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0343435902
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We are surprised at the inversion of the stereochemistry because it has been reported that the displacement of a dimethylamino group in the chiral ferrocenyl amine by the methoxide ion proceeds with retention. The mechanism of the inversive dimethylaminophenylmethyl case may be different from that of the retentive dimethylaminoethyl case, a Marquarding, D, Klusacek, H, Gokel, G, Hoffmann, P, Ugi, I. J. Am. Chem. Soc. 1970, 92, 5389-5393
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We are surprised at the inversion of the stereochemistry because it has been reported that the displacement of a dimethylamino group in the chiral ferrocenyl amine by the methoxide ion proceeds with retention. The mechanism of the inversive dimethylaminophenylmethyl case may be different from that of the retentive dimethylaminoethyl case. (a) Marquarding, D.; Klusacek, H.; Gokel, G.; Hoffmann, P.; Ugi, I. J. Am. Chem. Soc. 1970, 92, 5389-5393.
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33746410089
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The preparative method for the (S,Sp)-methoxy Taniaphos without separation has been reported recently while we were preparing this paper. Chen, W.; Roberts, S. M.; Whittall, J.; Steiner, A. Chem. Commun. 2006, 2916-2918.
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The preparative method for the (S,Sp)-methoxy Taniaphos without separation has been reported recently while we were preparing this paper. Chen, W.; Roberts, S. M.; Whittall, J.; Steiner, A. Chem. Commun. 2006, 2916-2918.
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18
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22744436808
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For a review for the copper-catalyzed asymmetric allylic substitution, see: a
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For a review for the copper-catalyzed asymmetric allylic substitution, see: (a) Yorimitsu, H.; Oshima, K. Angew. Chem., Int. Ed. 2005, 44, 4435-4439.
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(b) Karlstöm, A. S. E.; Huerta, F. F.; Meuzelaar, G. J.; Bäckvall, J.-E. Synlett 2001, 923-926.
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0002634798
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For a review of asymmetric hydrogenation, see:, 2nd ed, Ojima, I, Ed, Wiley-VCH: New York
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For a review of asymmetric hydrogenation, see: Ohkuma, T.; Kitamura, M.; Noyori, R. Asymmetric Hydrogenation, 2nd ed.; Ojima, I., Ed.; Wiley-VCH: New York, 2000; pp 1-110.
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Asymmetric Hydrogenation
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Ohkuma, T.1
Kitamura, M.2
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4a Fukuzawa, S.-i.; Fujimoto, K.; Komuro, Y.; Matsuzawa, H. Org. Lett. 2002, 4, 707-709.
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4a Fukuzawa, S.-i.; Fujimoto, K.; Komuro, Y.; Matsuzawa, H. Org. Lett. 2002, 4, 707-709.
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