Preparation of hexafluoroacetone from hexafluorothioacetone dime

Details Preparation of hexafluoroacetone from hexafluorothioacetone dime Preparation of hexafluoroacetone from hexafluorothioacetone dime

1980-12-18

1982-06-08

Trousof, Natalie

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

Organic compounds

Oxygen containing

260544F, C07C 4556

Patent

active

043340997

ABSTRACT:
The production of hexafluoroacetone by liquid phase reaction, at elevated temperatures, from hexafluorothioacetone dimer in an aprotic solvent containing an effective amount of an alkali metal fluoride with at least about a stoichiometric amount of an oxidizing agent selected from the group consisting of HgO, Ag.sub.2 O, Cu.sub.2 O, CuO, P.sub.2 O.sub.5, MIO.sub.3 and MIO.sub.4 wherein M is an alkali metal or alkaline earth metal. HgO and MIO.sub.3 are the preferred oxidizing agents; KIO.sub.3 is most preferred.

REFERENCES:
patent: 3006973 (1961-10-01), Hauptschein et al.
patent: 3257457 (1966-06-01), Anello et al.
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).
Kitazume et al., Chem. Letters, pp. 267-271 (1973).

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