Process for preparing phosphorothioates and phosphonoates in a t

Details Process for preparing phosphorothioates and phosphonoates in a t Process for preparing phosphorothioates and phosphonoates in a t

1990-06-13

1992-06-09

Bond, Robert T.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

544243, 544337, 558 98, 558100, C07F 958, C07F 96509, C07F 96512, C07F 912, C07F 940

Patent

active

051208466

ABSTRACT:
The present invention is directed to the preparation of certain phosphorothioates and phosphonoates by means of a process which employs a three-phase system for the reaction of an alkali metal or alkaline earth metal phenate, pyridinate or pyrimidinate with a phosphorochloridothioate or phosphorochloridate under alkaline conditions and in the presence of tertiary amine and quarternary ammonium salt co-catalyst, but in the absence of both a hydrocarbon or chlorinated hydrocarbon solvent and a surfactant.

REFERENCES:
patent: 3928370 (1975-12-01), Wang et al.
patent: 4007197 (1977-02-01), Freedman et al.
patent: 4016225 (1977-04-01), Kroposki et al.
patent: 4028439 (1977-06-01), Kroposki et al.
patent: 4147866 (1979-04-01), Freedman et al.
patent: 4814448 (1989-03-01), Gatling et al.
patent: 4814451 (1989-03-01), Gatling

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