反应详情

In the same manner as described in Example 3 (6) but using ethyl 2,2-bisfluoromethyl-6-iodo-2H-1-benzopyran-4-carboxylate, potassium pentafluoropropionate, cuprous iodide, toluene and N,N-dimethylformamide, ethyl 6-pentafluoroethyl-2,2-bisfluoromethyl-2H-1-benzopyran-4-carboxylate was obtained as an oily substance.