5-(3,4-Dimethyl-phenyl)-thiophene-2-carbaldehyde 、 (5Z)-5-[(3,4-diaminophenyl)methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one 在
sodium hydrogensulfite 作用下,
以
乙醇 为溶剂,
生成 (5Z)-5-[[2-[5-(3,4-dimethylphenyl)thiophen-2-yl]-3H-benzimidazol-5-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one