Method of preparing alkaline difluoromethane sulfonates

Details Method of preparing alkaline difluoromethane sulfonates Method of preparing alkaline difluoromethane sulfonates

1982-09-24

1984-07-10

Siegel, Alan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C14302

Patent

active

044592426

ABSTRACT:
A method of preparing alkaline difluoromethane sulfonates by reacting an alkali-metal sulfite of the formula M.sub.2 SO.sub.3, in which M represents an alkali-metal of column 1 of the Periodic Table of the Elements, with at least an equimolecular quantity of chlorodifluoromethane in aqueous medium, in an autoclave under autogenous pressure, characterized by the fact that the reaction is carried out in the presence of at least one strong alkali-metal base of the formula M'OH, in which M' represents an alkali-metal of column 1 of the Periodic Table of the Elements.

REFERENCES:
Ehret, "Smith's College Chem.", 6th Ed., (1946), p. 319.
Cotton, "Advanced Inorg. Chem.", 2nd Ed., (1966), p. 546.
Gilbert, "Sulf. and Related Reactions", (1965). pp. 139, 140.
Farrar, "Arylamides of Halogenated Methane and Ethane Sulf. Acids", J. Chem Soc., pp. 3058-3062, (1960).

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