A thiophene compound having sulfonyl groups which is represented by the formula [1]. It has high heat resistance and high unsusceptibility to oxidation and can improve solubility and dispersibility in various solvents.
[In the formula, R1 and R2 each independently represents hydrogen, halogeno, cyano, etc.; and R3 and R3' each independently represents C1-20 alkyl, C1-20 haloalkyl, phenyl optionally substituted by W, thienyl optionally substituted by W, etc. (W represents chlorine, etc.).]
一种具有磺酰基的
噻吩化合物,由式 [1] 表示。它具有较高的耐热性和较强的抗氧化性,并能提高在各种溶剂中的溶解性和分散性。
[式中,R1 和 R2 各自独立地代表氢、卤素、
氰基等;R3 和 R3'各自独立地代表 C1-20 烷基、C1-20 卤代烷基、任选被 W 取代的苯基、任选被 W 取代的
噻吩基等(W 代表
氯等)。