苯基磷杂环戊-3-烯 、
3,4-二氯吡咯-2,5-二酮 生成 3a,6b-dichloro-5ξ-oxo-5ξ-phenyl-(3ar,3bt,6at,6bc)-hexahydro-phospholo[3',4':3,4]cyclobuta[1,2-c]pyrrole-1,3-dione 、
3a,6b-dichloro-5ξ-oxo-5ξ-phenyl-(3ar,3bt,6at,6bc)-hexahydro-phospholo[3',4':3,4]cyclobuta[1,2-c]pyrrole-1,3-dione