申请人:Mita Industrial Co., Ltd.
公开号:US05468874A1
公开(公告)日:1995-11-21
A novel benzothiophene/indole-substituted maleimide derivative, a photochromic material and an optical recording material using the same. The benzothiophene/indole-substituted maleimide derivative is represented by the following formula (1): ##STR1## or the following formula (2): ##STR2## wherein R is a substituted or an unsubstituted monovalent hydrocarbon group, R.sup.1 and R.sup.2 are a hydrogen atom, an alkyl group, an alkylthio group or an alkoxy group under the condition where at least either one of them is an alkylthio group or an alkoxy group, R.sup.3 is an alkyl group or an acyl group, and rings A and B may not be substituted or may be substituted with an alkyl group, an alkoxy group or a halogen atom, respectively.
一种新的苯并噻吩/吲哚取代马来酰亚胺衍生物,一种光致变色材料和使用该衍生物的光记录材料。苯并噻吩/吲哚取代马来酰亚胺衍生物由以下化学式(1)或以下化学式(2)表示:其中R是一个取代或未取代的一价碳氢基团,R^1和R^2是氢原子、烷基基团、烷硫基团或烷氧基在至少其中之一为烷硫基团或烷氧基的条件下,R^3是烷基基团或酰基团,环A和环B可能未取代或用烷基基团、烷氧基或卤素原子取代。