2,3,5,6-tetrafluoro-4-trifluoromethylphenylsulfenyl chloride 、
1,2,3,4,5-pentamethoxycarbonylcyclopentadiene potassium salt 以
苯 为溶剂,
反应 4.0h,
以90%的产率得到5-(2,3,5,6-Tetrafluoro-4-trifluoromethyl-phenylsulfanyl)-cyclopenta-1,3-diene-1,2,3,4,5-pentacarboxylic acid pentamethyl ester