Process for the synthesis of tertiary phosphine oxides and sulfi

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

1984-01-23

1986-04-08

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...

525340, 525341, 526278, C08F 840

Patent

active

045814163

ABSTRACT:
The invention relates to processes for the synthesis of tertiary phosphine oxides and sulfides.
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 sulfides are complexing agents of high stability.

REFERENCES:
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patent: 3454650 (1969-07-01), Buckler et al.
patent: 3518311 (1970-06-01), Maier
patent: 3653352 (1972-04-01), Kleiner et al.
patent: 3888844 (1975-06-01), D'Alelio
patent: 3997611 (1976-12-01), Lippsmeier et al.
patent: 4137386 (1979-01-01), Smith
patent: 4148981 (1979-04-01), Pellegrini, Jr. et al.
patent: 4277565 (1981-07-01), Oda et al.

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