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, R
1
and R
2
each independently represents hydrogen, halogeno, cyano, etc.; and R
3
and R
3′
each independently represents C
1-20
alkyl, C
1-20
haloalkyl, phenyl optionally substituted by W, thienyl optionally substituted by W, etc. (W represents chlorine, etc.).]
一种含有磺酰基的
噻吩化合物,其
化学式为[1]。它具有高耐热性和高抗氧化性,并可以提高在各种溶剂中的溶解度和分散性。[在公式中,R1和R2分别独立表示氢,卤素,
氰基等; R3和R3'分别独立表示C1-20烷基,C1-20卤代烷基,苯基可选地取代W,
噻吩基可选地取代W等(W代表
氯等)。]