Process for preparing phosphorothioates and phenylphosphonothioa

Details Process for preparing phosphorothioates and phenylphosphonothioa Process for preparing phosphorothioates and phenylphosphonothioa

1976-11-15

1978-06-20

Tovar, Jose

Chemistry of carbon compounds

Dipeptides, e.g., aspartame, anserine, carnosine, etc.

2602948K, 544243, 544337, C07F 9165, C07F 940

Patent

active

040962105

ABSTRACT:
Quaternary ammonium salts and sterically unhindered, nucleophilic, tertiary amines are novel cocatalysts which are used in the process of reacting an alkali metal phenate, pyridinate or pyrimidinate with an O,O-dialkylphosphorochloridothioate or O-alkyl phenylphosphonochloridothioate to produce the corresponding phosphorothioates and phenylphosphonothioates. The process is conducted under alkaline conditions in a liquid reaction medium.

REFERENCES:
patent: 3972887 (1976-08-01), Freedman
patent: 4007197 (1977-02-01), Freedman et al.

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