The reaction of LDA (2.0 equiv.) with a THF solution of ZnCl2 (1.0 equiv.) and CF3CFH2 (HFC-134a) (1.2 equiv.) at 15–20°C gives a 73% yield of [F2CCFZnCl]. Addition of R-C6H4I and Pd(PPh3)4 at rt to 65°C gives 61–86% yield of R-C6H4CFCF2.
LDA(2.0当量)与ZnCl 2(1.0当量)和CF 3 CFH 2(H
FC-134a)(1.2当量)的THF溶液在15–20°C下反应,得到[F]的73%收率2 CCFZnCl]。RC的另外6 ħ 4 I和的Pd(PPh 3)4在室温至65℃使RC的61-86%的产率6 ħ 4 CFCF 2。