Process for the synthesis of tertiary phosphine oxides, and...

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

C - Chemistry, Metallurgy

07

F

402/357, 260/558

C07F 9/53 (2006.01) A01N 57/20 (2006.01) A01N 57/22 (2006.01) C08F 8/40 (2006.01)

Patent

CA 1169082

Abstract Process for the synthesis of tertiary phosphine oxides, and new tertiary phosphine oxides 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 con- taining 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.

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