No.126
Optically Active Ketoiminato Co(II) Complexes for Enantioselective Borohydride Reduction
| B1845 | (S)-MPAC (1a) |
100mg |
| B1844 | (R)-MPAC (1b) |
100mg |
| B2315 | (S)-AMAC (2a) |
100mg |
| B2314 | (R)-AMAC (2b) |
100mg |
The ketoiminato cobalt(II) complexes 1 and 2 developed by Mukaiyama, Yamada and co-workers are utilized for catalytic asymmetric reductions. The asymmetric reduction using 1 and 2 can use sodium borohydride, a widely used reducing agent. Therefore, this method is receiving much attention as it is likely to become a popular, convenient and economical method for obtaining optically active alcohols, amines, 1,3-diols, 3-hydroxycarbonyl compounds, β-substituted amides and so forth.
References
1) Applications of MPAC
K. D. Sugi, T. Nagata, T. Yamada, T. Mukaiyama, Chem. Lett., 1997, 493; S. Kezuka, T. Mita, N. Ohtsuki, T. Ikeno, T. Yamada, Chem. Lett., 2000, 824; T. Mukaiyama, K. D. Sugi, T. Nagata, T. Yamada, WO 98039276 (Mitsui Chemicals Inc.).
2) Applications of AMAC
Y. Ohtsuka, K. Koyasu, T. Ikeno, T. Yamada, Org. Lett., 2001, 3, 2543; Y. Ohtsuka, K. Koyasu, D. Miyazaki, T. Ikeno, T. Yamada, Org. Lett., 2001, 3, 3421; M. Sato, Y. Gunji, T. Ikeno, T. Yamada, Synthesis, 2004, 1434; T. Nagata, T. Yamada, WO 02038535 (Mitsui Chemicals Inc.).
Reviews
T. Yamada, T. Nagata, Y. Ohtsuka, T. Ikeno, T. Mukaiyama, Yuki Gosei Kagaku Kyokaishi (J. Synth. Org. Chem. Jpn), 2003, 61, 843; T. Yamada, T. Nagata, K. D. Sugi, K. Yorozu, T. Ikeno, Y. Ohtsuka, D. Miyazaki, T. Mukaiyama, Chem. Eur. J., 2003, 9, 4485.
K. D. Sugi, T. Nagata, T. Yamada, T. Mukaiyama, Chem. Lett., 1997, 493; S. Kezuka, T. Mita, N. Ohtsuki, T. Ikeno, T. Yamada, Chem. Lett., 2000, 824; T. Mukaiyama, K. D. Sugi, T. Nagata, T. Yamada, WO 98039276 (Mitsui Chemicals Inc.).
2) Applications of AMAC
Y. Ohtsuka, K. Koyasu, T. Ikeno, T. Yamada, Org. Lett., 2001, 3, 2543; Y. Ohtsuka, K. Koyasu, D. Miyazaki, T. Ikeno, T. Yamada, Org. Lett., 2001, 3, 3421; M. Sato, Y. Gunji, T. Ikeno, T. Yamada, Synthesis, 2004, 1434; T. Nagata, T. Yamada, WO 02038535 (Mitsui Chemicals Inc.).
Reviews
T. Yamada, T. Nagata, Y. Ohtsuka, T. Ikeno, T. Mukaiyama, Yuki Gosei Kagaku Kyokaishi (J. Synth. Org. Chem. Jpn), 2003, 61, 843; T. Yamada, T. Nagata, K. D. Sugi, K. Yorozu, T. Ikeno, Y. Ohtsuka, D. Miyazaki, T. Mukaiyama, Chem. Eur. J., 2003, 9, 4485.
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