申请人:Sumitomo Chemical Company, Limited
公开号:US10961456B2
公开(公告)日:2021-03-30
A compound having a maximum absorption in a wavelength range of 350 nm to 550 nm that functions as a dichroic dye is provided. In particular, a compound represented by formula (1) is provided. In the compound represented by formula (1), R1 represents a hydrogen atom or the like; R2 represents an acyl group having 1 to 20 carbon atoms or the like; R3 represents a hydrogen atom or the like; and Y represents a group of formula (Y1). In the group of formula (Y1), * represents a bonding site with N, or a group of formula (Y2); and in the group of formula (Y2), * represents a bonding site with N; P1 and P2 each independently represent —S— or the like; and Q1 and Q2 each independently represent ═N— or the like.
本发明提供了一种化合物,其最大吸收波长范围为 350 纳米至 550 纳米,可用作二向色染料。特别是提供了一种由式(1)表示的化合物。在式 (1) 所代表的化合物中,R1 代表氢原子或类似物;R2 代表具有 1 至 20 个碳原子的酰基或类似物;R3 代表氢原子或类似物;Y 代表式 (Y1) 所代表的基团。在式(Y1)基团中,*代表与N键合的位点,或式(Y2)基团;在式(Y2)基团中,*代表与N键合的位点;P1和P2各自独立地代表-S-或类似物;Q1和Q2各自独立地代表═N-或类似物。