Liquid phase synthesis of hexafluoroacetone

Details Liquid phase synthesis of hexafluoroacetone Liquid phase synthesis of hexafluoroacetone

1981-02-27

1982-06-29

Trousof, Natalie

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C07C 4556

Patent

active

043373615

ABSTRACT:
A process for the preparation of hexafluoroacetone which comprises contacting, in the liquid phase, hexafluorothioacetone dimer in the presence of an aprotic solvent containing a catalytic amount of an alkali metal fluoride with a gaseous oxidant selected from the group consisting of air, O.sub.2, O.sub.3, NO.sub.2 and NO is disclosed. The preferred aprotic solvent is dimethylformamide, and the preferred gaseous oxidant is O.sub.2.

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patent: 3367971 (1968-02-01), Madison
patent: 3391119 (1968-07-01), Anderson
patent: 4057584 (1977-11-01), Touzuka et al.
Middleton et al., J. Org. Chem., vol. 30, pp. 1384-1390 (1965).
Martin, J. Chem. Soc., pp. 2944-2947 (1964).
Kitayuma et al., Chemical Letters, pp. 267-271 (1973).

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