A polymerizable UV-absorbing colorant monomer is provided, which is excellent in stability under alkaline conditions and which is available for a useful material polymer for an intraocular lens. A compound, which is represented by the following general formula (1), is used as a polymerizable UV-absorbing monomer available for a material polymer for an intraocular lens:
(in the general formula (1), R1 is a hydrogen atom, a hydroxy group, a carboxy group, an alkyl group having 1 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, a sulfonic acid group, or a benzyloxy group, R2 is a hydrogen atom, a hydroxy group, or an alkoxy group having 1 to 4 carbon atoms, and R3 is represented by the following formula (2)):
(in the general formula (2), R4 is a hydrogen atom or a
methyl group, and R5 is a single bond or an alkylene group having 1 to 4 carbon atoms which may have a substituent or substituents.)
提供了一种可聚合的紫外吸收着色单体,其在碱性条件下具有优异的稳定性,并可用于制备人工晶体的有用材料聚合物。该聚合紫外吸收单体由下述通式(1)所表示的化合物组成:(在通式(1)中,R1为氢原子、羟基、羧基、具有1至8个碳原子的烷基、具有1至8个碳原子的烷氧基、
磺酸基或苄氧基,R2为氢原子、羟基或具有1至4个碳原子的烷氧基,而R3由下式(2)所表示):(在通式(2)中,R4为氢原子或甲基基团,而R5为单键或具有1至4个碳原子的烷基链,该烷基链可以具有一个或多个取代基。)