Chemical and Pharmaceutical Bulletin p. 643 - 648 (1993)
Update date:2022-08-22
Topics:
Matsuki
Sobukawa
Kawai
Inoue
Takeda
Asymmetric reduction of some 3-keto esters (6, 8, and 11) to 3-hydroxy esters (7, 9, and 12) with various chiral reducing agents was investigated. The products (9 and 12) were converted to methyl (2R,3S)-3-(4-methoxyphenyl)glycidate (2R,3S-3), a key intermediate in the practical enantioselective synthesis of diltiazem (1).
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