申请人:Canon Kabushiki Kaisha
公开号:US05171470A1
公开(公告)日:1992-12-15
A bifunctional optically active liquid crystal intermediate compound represented by the following Formula (I): X--Y--C.sub.* H(M)--CH.sub.2 --OH is disclosed, wherein X represents CH.sub.2 .dbd.CH--, HOCH.sub.2 --CH.sub.2 --, HSCH.sub.2 --CH.sub.2 --, HOCH.sub.2 --, HOOC--, HOCH.sub.2 CH.dbd.CH--, CH.sub.3 CH(OH)-- or HOCH.sub.2 C.sub.* H(Z)--; Y represents --CH.sub.2).sub.n or --CH.sub.2 (.sub.m O).sub.l CH.sub.2 --, where n represents an integer of 1 to 18, m represents an integer of 1 to 12, and l represents an integer of 1 to 4; M and Z each represents halogen atom, an alkyl group or an alkoxy group, said halogen atom being selected from the group consisting of I, Cl, Br and F, and said alkyl group or alkoxy group having 1 to 8 carbon atoms; and the mark * represents an asymmetric carbon atom. A process for preparing the intermediate compound is also disclosed.
本发明公开了一种由以下式(I)表示的双官能性光学活性液晶中间体化合物:X--Y--C.sub.* H(M)--CH.sub.2 --OH,其中X代表CH.sub.2 .dbd.CH--,HOCH.sub.2 --CH.sub.2 --,HSCH.sub.2 --CH.sub.2 --,HOCH.sub.2 --,HOOC--,HOCH.sub.2 CH.dbd.CH--,CH.sub.3 CH(OH)--或HOCH.sub.2 C.sub.* H(Z)--;Y代表--CH.sub.2).sub.n或--CH.sub.2 (.sub.m O).sub.l CH.sub.2 --,其中n代表1到18的整数,m代表1到12的整数,l代表1到4的整数;M和Z分别代表卤素原子,烷基或烷氧基,所述卤素原子选自I、Cl、Br和F组成的群,所述烷基或烷氧基具有1到8个碳原子;标记*代表一个不对称碳原子。还公开了制备该中间化合物的方法。