A catalyst for asymmetric induction

Details A catalyst for asymmetric induction A catalyst for asymmetric induction

C - Chemistry, Metallurgy

07

C

C07C 251/24 (2006.01) B01J 21/06 (2006.01) B01J 27/24 (2006.01) B01J 31/02 (2006.01) C07B 53/00 (2006.01) C07C 253/08 (2006.01) C07C 253/34 (2006.01) C07C 255/17 (2006.01) C07C 255/36 (2006.01) C07D 295/185 (2006.01) C07D 307/54 (2006.01) C07D 317/64 (2006.01)

Patent

CA 2087472

ABSTRACT A CATALYST FOR ASYMMETRIC INDUCTION A catalyst for asymmetric induction is provided which comprises an amino acid amide derivative represented by the formula [I]: Image (I) wherein R' represents an isopropyl group, etc., R2 and R3 are the same or different and each represents a lower alkyl group, etc., R4 represents a chlorine atom, etc., R5, R6 and R7 are the same or different and each represents a hydrogen atom, etc., and * denotes an abosolute configuration of S or R, and a titanium (IV) alkoxide. Optically active cyanohydrins are obtained in high yield and at high purity by addition of hydrogen cyanide to aldehyde compounds in the presence of the above mentioned catalyst.

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