Patent ID: 8519161

Claim:
A process for preparing a fluoropropylene carbonate represented by the formula (2): wherein R 1 , R 2 , R 3 and R 4 are the same or different and each is H or —CH 2 F; at least one of R 1 , R 2 , R 3 and R 4 is —CH 2 F, by allowing a fluorinating agent to react with a propylene carbonate derivative represented by the formula (1): wherein X 1 , X 2 , X 3 and X 4 are the same or different and each is hydrogen atom or —CH 2 Y (Y is a group other than hydrogen atom and is released in fluorination reaction); at least one of X 1 , X 2 , X 3 and X 4 is —CH 2 Y.