Process for the synthesis of tertiary phosphine oxides, and new

Details Process for the synthesis of tertiary phosphine oxides, and new Process for the synthesis of tertiary phosphine oxides, and new

1980-12-05

1982-12-21

Sneed, Helen M. S.

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

Organic compounds

Phosphorus containing

C07F 953

Patent

active

043650945

ABSTRACT:
The invention relates to the synthesis of tertiary phosphine oxides and also to certain tertiary phosphine oxides.
According to the invention, an organic phase containing a halogenomethyl derivative, a secondary phosphine oxide and a phase transfer catalyst in an organic medium is reacted with an aqueous phase containing an inorganic base. The halogenomethyl derivative can be a micromolecule or a macromolecule.
The tertiary phosphine oxides are substances which are useful, in particular, in fireproofing, in hydrometallurgy and in the field of plant health.

REFERENCES:
patent: 2900416 (1959-08-01), Stewart et al.
patent: 3304330 (1967-02-01), Yoke et al.
patent: 3316293 (1967-04-01), Carr et al.
patent: 3382173 (1968-05-01), Lorn et al.
patent: 3389183 (1968-06-01), Hays
patent: 3657352 (1972-04-01), Kleiner

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