2,2,3,3-TETRAFLUOROPROPYLETHYL CARBONATE AND METHOD FOR PREPARATION THEREOF Russian patent published in 2019 - IPC C07C68/06 C07C68/08 C07C69/00 

Abstract RU 2682968 C1

FIELD: chemistry.

SUBSTANCE: invention relates to a method for producing 2,2,3,3-tetrafluoropropylethyl carbonate of formula I, characterized in that 2,2,3,3-tetrafluoropropanol-1 is first treated with ethyl titanate at a molar ratio of 2,2,3,3-tetrafluoropropanol-1:ethyl titanate (1.5–2.0):1.0, and then – diphenyl carbonate at a molar ratio of 2,2,3,3-tetrafluoropropanol-1:diphenyl carbonate 1.0:(1.6–1.7) with subsequent fractional distillation of 2,2,3,3-tetrafluoropropylethyl carbonate at atmospheric pressure. (I).

EFFECT: simple method allows the use of commercially available reagents.

1 cl, 3 ex

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RU 2 682 968 C1

Authors

Pestov Aleksandr Viktorovich

Zapevalov Aleksandr Yakovlevich

Semenova Anna Mikhajlovna

Dates

2019-03-25Published

2018-04-13Filed