No.108
Highly Enantioselective Hydrogenation Reactions
| B2089 | (S,S)-1,2-Bis[boranato(tert-butyl)- methylphosphino]ethane (1) |
100mg |
| B2090 | [(S,S)-1,2-Bis[(tert-butyl)- methylphosphino]ethane]- (norbornadiene)rhodium(I) Tetrafluoroborate (2) |
50mg |
| B2091 | (Norbornadiene)rhodium(I) Tetrafluoroborate (3) |
100mg |

References
1) Synthesis of new optically active phosphine ligands and their use in catalytic asymmetric reactions
T. Imamoto, Yuki Gosei Kagaku Kyokaishi (J. Synth. Org. Chem. Jpn.), 56, 511 (1998).
2) P-Chiral bis(trialkylphosphine) ligands and their use in highly enantioselective hydrogenationreactions
T. Imamoto, J. Watanabe, Y. Wada, H. Masuda, H. Yamada, H. Tsuruta, S. Matsukawa,K. Yamaguchi, J. Am. Chem. Soc., 120, 1635 (1998).
3) Mechanism of asymmetric hydrogenation catalyzed by a rhodium complex of (S,S)-1,2-bis(tert-butylmethylphosphino)ethane. Dihydride mechanism of asymmetrichydrogenation
I. D. Gridnev, N. Higashi, K. Asakura, T. Imamoto, J. Am. Chem. Soc., 122, 7183 (2000).
4) Enantioselective hydrogenation of β-keto esters catalyzed by P-chiral bis(dialkyl-phosphino)ethanes-Ru(II)
T. Yamano, N. Taya, M. Kawada, T. Huang, T. Imamoto, Tetrahedron Lett., 40, 2577 (1999).
T. Imamoto, Yuki Gosei Kagaku Kyokaishi (J. Synth. Org. Chem. Jpn.), 56, 511 (1998).
2) P-Chiral bis(trialkylphosphine) ligands and their use in highly enantioselective hydrogenationreactions
T. Imamoto, J. Watanabe, Y. Wada, H. Masuda, H. Yamada, H. Tsuruta, S. Matsukawa,K. Yamaguchi, J. Am. Chem. Soc., 120, 1635 (1998).
3) Mechanism of asymmetric hydrogenation catalyzed by a rhodium complex of (S,S)-1,2-bis(tert-butylmethylphosphino)ethane. Dihydride mechanism of asymmetrichydrogenation
I. D. Gridnev, N. Higashi, K. Asakura, T. Imamoto, J. Am. Chem. Soc., 122, 7183 (2000).
4) Enantioselective hydrogenation of β-keto esters catalyzed by P-chiral bis(dialkyl-phosphino)ethanes-Ru(II)
T. Yamano, N. Taya, M. Kawada, T. Huang, T. Imamoto, Tetrahedron Lett., 40, 2577 (1999).
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