Patent ID: 6653507
Filing Date: 2003-11-25
Classification: C07B,C07C

Abstract:
An optically active amine compound of formula (4): wherein an asymmetric carbon atom denoted by the symbol * is in S configuration or R configuration,R11 represents (i) a phenyl group which may be substituted with at least one group selected from a C1-C4 alkyl group, a nitro group and a halogen atom, or (ii) a naphthyl group substituted with at least one group selected from a C1-C4 alkyl, a C1-C4 alkoxy group, a nitro group and a halogen atom, R21 represents a C1-C4 alkyl group, or an aralkyl group which may be substituted, and R31 is a 3-benzyloxyphenyl group or a 4-benzyloxyphenyl group, or a salt thereof.