4-苯基-1,2,4-三唑啉-3,5-二酮 、
methyl 3-(benzylthio)-4,6-dioxo-5-phenyl-1,3a,4,5,6,6a-hexahydropyrrolo[3,4-c]pyrrole-1-carboxylate 以
二氯甲烷 为溶剂,
生成 methyl 3a-(3,5-dioxo-4-phenyl-1,2,4-triazolidin-1-yl)-3-(benzylthio)-4,6-dioxo-5-phenyl-1,3a,4,5,6,6a-hexahydropyrrolo[3,4-c]pyrrole-1-carboxylate