申请人:SUMITOMO CHEMICAL COMPANY, LIMITED
公开号:US10777746B2
公开(公告)日:2020-09-15
Compound comprising structural units represented by formula (1) and formula (2):
wherein X1, X2, X3 and X4 are the same or mutually different and represent a nitrogen atom or ═CH—; Y1 and Y2 are the same or mutually different and represent a sulfur atom, an oxygen atom, a selenium atom, —N(R1)— or —CR2═CR3—; R1, R2 and R3 are the same or mutually different and represent a hydrogen atom, a halogen atom, an amino group, a cyano group or a monovalent organic group; W1 and W3 are the same or mutually different and represent a halogen atom, a cyano group or a monovalent organic group; W2 and W4 are the same or mutually different and represent a hydrogen atom, a halogen atom, a cyano group or a monovalent organic group. The structural unit represented by formula (1) and the structural unit represented by formula (2) are not the same.
由式(1)和式(2)代表的结构单元组成的化合物:
其中X1、X2、X3和X4相同或互异,代表氮原子或═CH-;Y1和Y2相同或互异,代表硫原子、氧原子、硒原子、-N(R1)-或-CR2═CR3-;R1、R2和R3相同或互异,代表氢原子、卤素原子、氨基、氰基或一价有机基团;W1 和 W3 相同或互异,代表卤原子、氰基或一价有机基团; W2 和 W4 相同或互异,代表氢原子、卤原子、氰基或一价有机基团。式 (1) 所代表的结构单元与式 (2) 所代表的结构单元不相同。