ethyl 3-formyl-2,2-dimethylcyclopropanecarboxylate 、
diethyl trifluoromethylthio(chloro)methanephosphonate 在
sodium hydride 作用下,
以
甲苯 为溶剂,
生成
ethyl 3(2-chloro,2-trifluoromethylthio-ethenyl)-2,2-dimethyl-cyclopropanecarboxylate (cis E/Z) 、 ethyl 3(2-chloro,2-trifluoromethylthio-ethenyl)-2,2-dimethyl-cyclopropanecarboxylate 、 ethyl 3(2-chloro,2-trifluoromethylthio-ethenyl)-2,2-dimethyl-cyclopropanecarboxylate (trans Z)