Process for the preparation of alkali metal and alkaline earth m

Details Process for the preparation of alkali metal and alkaline earth m Process for the preparation of alkali metal and alkaline earth m

1985-04-19

1986-12-02

Evans, J. E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

585469, C07F 930

Patent

active

046263861

ABSTRACT:
The alkali metal and alkaline earth metal salts of diarylphosphinic acids are prepared by reacting triarylphosphane oxides with alkali metal or alkaline earth metal hydroxides in a molar ratio of about 1:1 or 0.5, in the presence of water, under elevated pressure and at elevated temperature. In this manner, the alkali metal or alkaline earth metal salts of diphenylphosphinic acid are formed from triphenylphosphane oxide, which is the preferably used triarylphosphane oxide.
Other salts or the corresponding free diarylphosphinic acids can, if desired, be obtained from the alkali metal and alkaline earth metal salts in a conventional manner. The products are principally intermediates in various fields.

REFERENCES:
Merck Index, 6th Ed. (1952), p. 778.
Aldrich, Catalog Handbook of Fine Chemicals, 1984-1985, p. 921.

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