申请人:Sumitomo Chemical Company, Limited
公开号:US04985590A1
公开(公告)日:1991-01-15
Disclosed are novel optically active benzene derivatives represented by the formula (I): ##STR1## wherein R represents an alkyl or alkoxyalkyl group having 1 to 20 carbon atoms, which group may contain a halogen; Z represents a hydrogen atom or a halogen atom; l and n each represents a number of 0 or 1; and * indicates asymmetric carbon atom, and a process for preparing the above optically active benzene derivative which comprises debenzylating an optically active benzyl derivative represented by the formula (II): ##STR2## wherein, R, Z, l, n and * have the same meanings as defined above, and A represents a hydrogen atom, a lower alkyl group, a lower alkoxyl group or a halogen atom.
本发明涉及一种新型的光学活性苯衍生物,其化学式表示为(I):##STR1## 其中,R表示1至20个碳原子的烷基或烷氧基烷基,该基团可以含有卤素;Z表示氢原子或卤素原子;l和n各代表0或1;*表示不对称碳原子,并且本发明还涉及一种制备上述光学活性苯衍生物的方法,该方法包括对化学式(II)所表示的光学活性苄基衍生物进行去苄基化反应:##STR2## 其中,R、Z、l、n和*具有上述定义中的相同含义,A表示氢原子、低烷基、低烷氧基或卤素原子。