N-[(Z)-3,3'-Diethyl-4,4'-dioxo-2'-thioxo-[2,5']bithiazolidinyliden-(5E)-ylidenemethyl]-N-phenyl-acetamide 、
1-ethyl-4-methyl-6-trifluoromethyl-quinolinium; toluene-4-sulfonate 在
三乙胺 作用下,
以
吡啶 为溶剂,
反应 0.5h,
以61%的产率得到(Z)-3,3'-Diethyl-5-[2-[1-ethyl-6-trifluoromethyl-1H-quinolin-(4Z)-ylidene]-eth-(E)-ylidene]-2'-thioxo-[2,5']bithiazolidinylidene-4,4'-dione