申请人:OTSUKA KAGAKU KABUSHIKI KAISHA
公开号:EP0466938A1
公开(公告)日:1992-01-22
A high-molecular spiropyran compound composed of 0.001 to 100 mole % of structural units of general formula (I), wherein W represents -CMe2- or -Se-, R1 represents C1 to C20 alkyl or aralkyl, R2 to R5 each represents H, C1 to C6 alkyl, etc., R6 and R7 each represents H, C1 to C6 alkyl, etc., and X represents O or S, provided that X represents S when W represents -CMe2-, and 0 to 99.999 mole % of structural units of general formula (II), wherein Y represents H or Me and Z represents alkoxycarbonyl, phenyl, etc.
一种由 0.001 至 100 摩尔%的通式(I)结构单元组成的高分子螺吡喃化合物,其中 W 代表-CMe2-或-Se-,R1 代表 C1 至 C20 烷基或芳烷基,R2 至 R5 各自代表 H、C1 至 C6 烷基等、R6和R7各自代表H、C1至C6烷基等,X代表O或S,条件是当W代表-CMe2-时X代表S,以及0至99.999摩尔%的通式(II)结构单元,其中Y代表H或Me,Z代表烷氧羰基、苯基等。