2-ethylmercapto-4-(1-ethylmercapto-ethylidene)-4H-thiazol-5-one 、
[5-({4-[(3-ethyl-4,5-diphenyl-3H-thiazol-2-yliden)-ethylidene]-3-methyl-5-oxo-thiazolidin-2-yliden}-1-ethylmercapto-ethyliden)-4-oxo-2-thioxo-thiazolidin-3-yl]-acetic acid ethyl ester 在
乙醇 、
三乙胺 、
对甲苯磺酸甲酯 作用下,
生成 (5-(2-{4-[(3-ethyl-4,5-diphenyl-3
H-thiazol-2-yliden)-ethylidene]-3-methyl-5-oxo-thiazolidin-2-yliden}-1-ethylmercapto-ethyliden)-2-[2-ethylmercapto-2-(2-ethylmercapto-5-oxo-thiazol-4-yliden)-ethyliden]-4-oxο-thiazolidin-3-yl]acetic acid ethyl ester