申请人:Tokuyama Corporation
公开号:US08916071B2
公开(公告)日:2014-12-23
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 formula (2), 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.
这是一种含有硫取代基的咔唑衍生物,其在茚并[2,1-f]萘并[1,2-b]吡喃结构的6位和/或7位碳原子上的公式(2)所表示的位置,具有优异的光致变色性能和高温稳定性。在公式(2)中,环X是芳香族碳环或芳香族杂环,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与环X连接的杂环基、卤素原子、芳基氧基或芳基,而“a”是0到4的整数。