申请人:Otsuka Kagaku Kabushiki Kaisha
公开号:US05252742A1
公开(公告)日:1993-10-12
The present invention provides a spiropyran compound represented by the formula ##STR1## wherein R.sup.1 is alkyl having 1 to 20 carbon atoms or aralkyl, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are the same or different and are each a hydrogen atom, alkyl having 1 to 6 carbon atoms, aryl or aralkyl, alkoxyl having 1 to 5 carbon atoms, halogen atom, cyano, trichloromethyl, trifluoromethyl or nitro, R.sup.6 and R.sup.7 are the same or different and are each a hydrogen atom, alkyl having 1 to 6 carbon atoms, aryl or aralkyl, halogen atom, cyano or nitro, X is an oxygen atom or sulfur atom, Y is Se or (CH.sub.3).sub.2 C<, Z is ##STR2## and X is a sulfur atom when Y is (CH.sub.3).sub.2 C<. The spiropyran compound of the present invention itself is usable as a material such as recording material, photosensitive material, optical filter or decorative material. The present compound can further be homopolymerized or copolymerized with other polymerizable compound into a high polymer spiropyran compound for application to optical devices or dynamic devices.
本发明提供了一种由以下公式表示的螺环吡喃化合物:其中R.sup.1是具有1到20个碳原子的烷基或芳基烷基,R.sup.2、R.sup.3、R.sup.4和R.sup.5相同或不同,分别是氢原子、具有1到6个碳原子的烷基、芳基或芳基烷基,具有1到5个碳原子的烷氧基、卤素原子、氰基、三氯甲基、三氟甲基或硝基,R.sup.6和R.sup.7相同或不同,分别是氢原子、具有1到6个碳原子的烷基、芳基或芳基烷基、卤素原子、氰基或硝基,X是氧原子或硫原子,Y是Se或(CH.sub.3).sub.2 C<,Z是,当Y为(CH.sub.3).sub.2 C<时,X是硫原子。本发明的螺环吡喃化合物本身可用作记录材料、感光材料、光学滤光片或装饰材料等材料。该化合物还可与其他可聚合化合物进一步进行均聚或共聚反应,形成高分子螺环吡喃化合物,用于光学器件或动态器件的应用。