申请人:FUJIFILM Wako Pure Chemical Corporation
公开号:US10696898B2
公开(公告)日:2020-06-30
A reverse photochromic compound of the related art has difficulty in sensing light with a wavelength of 600 nm or greater in a visible light region which has been used for medical applications. Therefore, an object of the present invention is to provide a reverse photochromic compound and a polymer which have a high sensitivity to light having a wavelength of 600 nm or greater. The present invention relates to a compound and the like represented by the following general formula (1).
In the formula, R1 and R4 each independently represent a hydrogen atom or the like, R2, R3, and R5 each independently represent an alkyl group or the like, R6 represents a group having a polymerizable unsaturated group, a carboxy group, or an alkoxycarbonyl group, R31 and R32 each independently represent an alkoxy group or the like, R33 and R34 each independently represent a hydrogen atom or the like, Y1 represents an oxygen atom or a sulfur atom, An− represents an anion, n1 to n3 represent a specific integer, and R1 and R2, R3 and R4, and/or R33 and R34 may form an alkylene group.
相关技术中的一种反向光致变色化合物难以感应波长为 600 nm 或更长的可见光区域的光,而这种光一直被用于医疗用途。因此,本发明的目的是提供一种反向光致变色化合物和聚合物,它们对波长为 600 nm 或更大的光具有高灵敏度。本发明涉及由以下通式(1)表示的化合物及类似物。
式中,R1 和 R4 各自独立地代表氢原子或类似物,R2、R3 和 R5 各自独立地代表烷基或类似物,R6 代表具有可聚合的不饱和基团、羧基或烷氧基羰基的基团、R31 和 R32 各自独立地代表烷氧基或类似基团,R33 和 R34 各自独立地代表氢原子或类似基团,Y1 代表氧原子或硫原子,An- 代表阴离子,n1 至 n3 代表特定整数,R1 和 R2、R3 和 R4 和/或 R33 和 R34 可形成亚烷基。