Novel triarylmethane dyes decorated with 2-thienyl, 2-thieno[3,2-b]thienyl, and 2-dithieno[3,2-b:2′,3′-d]thienyl rings as auxochromes were much more bathochromic than the known crystal violet. The hydrol precursors of these new dyes exhibited potential applications as strong and super acid pH sensors.

中文翻译：

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具有噻吩基，噻吩并[3,2- b ]噻吩基和二噻吩并[3,2- b：2'，3'- d ]噻吩基环作为辅助色素的新型三芳基甲烷染料在超酸性pH传感器上的应用†

用2-噻吩基，2-噻吩并[3,2- b ]噻吩基和2-二噻吩并[3,2 - b：2'，3'- d ]噻吩基环修饰的新型三芳基甲烷染料的红移比已知的结晶紫。这些新型染料的水合物前体作为强酸性和超酸性pH传感器具有潜在的应用前景。