METHOD OF PRODUCING BIS(2,2,3,3-TETRAFLUOROPROPYL)CARBONATE Russian patent published in 2025 - IPC C07C68/06 C07C69/03 

Abstract RU 2840575 C1

FIELD: chemistry.

SUBSTANCE: invention relates to a method of producing bis(2,2,3,3-tetrafluoropropyl)carbonate by treating 2,2,3,3-tetrafluoropropanol-1, according to invention is first treated with titanium (IV) tetrachloride in molar ratio 4-6:1, and then with diphenyl carbonate at a molar ratio of 1:1.5-2, followed by distillation of bis(2,2,3,3-tetrafluoropropyl)carbonate at low pressure.

EFFECT: novel method of producing bis(2,2,3,3-tetrafluoropropyl)carbonate which enables to avoid preliminary synthesis of starting materials, reduces the number of steps and increases output of the obtained product.

1 cl, 3 ex

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RU 2 840 575 C1

Authors

Semenova Anna Mikhailovna

Pestov Aleksandr Viktorovich

Dates

2025-05-26Published

2024-09-26Filed