3-Ethyl-5-acetanilinomethylenerhodanine 、
1-Ethyl-4-methyl-6-trifluoromethylsulfinylquinolinium toluenesulfonate 在
三乙胺 作用下,
以
吡啶 为溶剂,
以56%的产率得到2-Thioxo-3-ethyl-5-(1-ethyl-6-trifluoromethylsulfinyl-1,4-dihydroquinoline-4-ylideneethylidene)thiazolidin-4-one