METHOD OF PRODUCING HEXAFLUOROPROPANOL Russian patent published in 2012 - IPC C07C31/38 C07C29/143 

Abstract RU 2470005 C1

FIELD: chemistry.

SUBSTANCE: method involves reducing hexafluoroacetone (HFA) in an aqueous medium, wherein the hexafluoroacetone is used in trihydrate form or 50% aqueous solution, and the reducing agent used is phosphorous acid in the presence of aqueous ammonia solution in molar ratio HFA:H3PO3NH3 (1:1.2-1.3:3), with catalysis by transition metal salts.

EFFECT: invention enables to obtain the end product in a single step using cheap and nontoxic reactants.

2 ex, 1 tbl

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RU 2 470 005 C1

Authors

Igumnov Sergej Mikhajlovich

Tjutjunov Andrej Aleksandrovich

Dates

2012-12-20Published

2011-12-09Filed