申请人:Dainippon Ink and Chemicals, Inc.
公开号:US04911862A1
公开(公告)日:1990-03-27
An optically active carboxylic acid derivative represented by the general formula ##STR1## wherein R represents a normal alkyl group having 1 to 20 carbon atoms, m and n represent 0 or 1 but are not 1 at the same time, X represents a hydrogen or halogen atom, Y represents a hydrogen or fluorine atom, provided that when Y is a hydrogen atom, X is a halogen atom, and that when n is 0, Y is a hydrogen atom, and Q* represents an optically active alkyl or 1-alkoxyethyl group having an asymmetric carbon atom.
一种光学活性的羧酸衍生物,其通式表示为##STR1## 其中,R代表具有1至20个碳原子的正常烷基基团,m和n表示0或1,但不能同时为1,X代表氢或卤素原子,Y代表氢或氟原子,前提是当Y是氢原子时,X是卤素原子,当n为0时,Y是氢原子,Q *代表具有不对称碳原子的光学活性烷基或1-烷氧乙基基团。