申请人:Tokuyama Corporation
公开号:EP2759543A1
公开(公告)日:2014-07-30
A chromene compound which has a sulfur-containing substituent represented by the following formula (2) at the 6-position and/or 7-position carbon atom of an indeno(2,1-f)naphtho(1,2-b)pyran structure and is excellent in photochromic properties and stability at a high temperature.
(In the above formula, ring X is an aromatic hydrocarbon ring or aromatic heterocyclic ring, R3 and R4 are each independently an alkyl group, haloalkyl group, cycloalkyl group, alkoxy group, amino group, heterocyclic group containing a ring member nitrogen atom and bonded to the ring X bonded thereto via the nitrogen atom, halogen atom, aryloxy group or aryl group, and "a" is an integer of 0 to 4.)
一种色烯化合物,它在茚并(2,1-f)萘并(1,2-b)吡喃结构的 6 位和/或 7 位碳原子上具有下式 (2) 所代表的含硫取代基,并具有优异的光致变色性能和高温稳定性。
(在上式中,环 X 是芳香烃环或芳香杂环,R3 和 R4 各自独立地是烷基、卤代烷基、环烷基、烷氧基、氨基、含有环成员氮原子并通过氮原子、卤原子、芳氧基或芳基与环 X 键合的杂环基团,"a "是 0 至 4 的整数)。