申请人:SUMITOMO CHEMICAL COMPANY, LIMITED
公开号:US20170022162A1
公开(公告)日:2017-01-26
The present invention provides a method for manufacturing an optically active compound of formula (2), which contains bringing hydrogen into contact with a compound of formula (1) in the presence of a transition metal catalyst having an optically active ligand. In the formula, R
1
represents a hydrogen atom or an acetyl group, R
2
, R
3
, R
4
, and R
5
each independently represents a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, a hydroxy group, a nitro group, an amino group, or an acyl group, R
6
represents an alkyl group, R
7
and R
8
each independently represents a hydrogen atom or an alkyl group, and a carbon atom marked with an asterisk (*) represents an asymmetric carbon atom.
本发明提供了一种制备式(2)的光学活性化合物的方法,其中包括在具有光学活性配体的过渡金属催化剂存在下,将氢与式(1)的化合物接触。在该式中,R1代表氢原子或乙酰基,R2、R3、R4和R5各自独立地代表氢原子、卤素原子、烷基、烷氧基、羟基、硝基、氨基或酰基,R6代表烷基,R7和R8各自独立地代表氢原子或烷基,而用星号(*)标记的碳原子代表一个不对称碳原子。