申请人:AUSIMONT S.r.l.
公开号:EP0349963A2
公开(公告)日:1990-01-10
Process for preparing perfluoro-(2-bromoethylvinylether) of formula
BrF₂C-CF₂-O-CF=CF₂
by dechlorination of 2-bromo-1′,2′-dichloroperfluorodiethylether of formula
BrF₂C-CF₂-O-CClF-CClF₂
in the presence of copper and in a solvent of formula
wherein
R₁ and R₂ are H, CH₃ or C₂H₅ and
R₃ is CH₃ or C₂H₅;
preferably at temperatures of from 100 to 160°C.
式中全氟-(2-溴乙基乙烯基醚)的制备工艺
BrF₂C-CF₂-O-CF=CF₂
通过式 BrF₂C-CF₂-O-CF=CF₂ 的 2-溴-1′,2′-二氯全氟二乙基醚的脱氯反应
BrF₂C-CF₂-O-CClF-CClF₂
在铜存在下和在式
其中
R₁ 和 R₂ 是 H、CH₃ 或 C₂H₅ 和
R₃ 是 CH₃ 或 C₂H₅;
优选温度为 100 至 160°C。