8-fluorosulfonyl-2,5-bis(trifluoromethyl)octafluoro-3,6-dioxaoctanoic acid 以
水 、
乙腈 为溶剂,
以97%的产率得到1,1,2,2-Tetrafluoro-2-(1,2,2-trifluoro-2-{1,2,3,3,3-pentafluoro-2-[1,1,2,3,3,3-hexafluoro-2-(1,1,2,2-tetrafluoro-2-fluorosulfonyl-ethoxy)-propoxy]-1-trifluoromethyl-propoxy}-1-trifluoromethyl-ethoxy)-ethanesulfonyl fluoride