Process for the synthesis of tertiary phosphine oxides and sulph

Details Process for the synthesis of tertiary phosphine oxides and sulph Process for the synthesis of tertiary phosphine oxides and sulph

1982-01-18

1984-05-08

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525341, 544 6, 568 14, C08F 840

Patent

active

044475845

ABSTRACT:
The invention relates to processes for the synthesis of tertiary phosphine oxides and sulphides. The process according to the invention consists, in a first step, of reacting a secondary phosphine oxide or sulfide with an optionally activated alkali metal amide, and, in a second step, of reacting the mixture obtained in the first step with an organic halide containing at least one halogenophenyl radical or one halogenomethyl group. Tertiary phosphine oxides and sulphides are complexing agents of high stability.

REFERENCES:
patent: 3454650 (1969-07-01), Buckler et al.
patent: 3518311 (1970-06-01), Maier
patent: 3657352 (1972-04-01), Kleiner et al.
patent: 3997611 (1976-12-01), Lippsmeier et al.
patent: 4148981 (1979-04-01), Pellegrini, Jr. et al.

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