Process for producing dialkyl phosphorochloridothionates

Details Process for producing dialkyl phosphorochloridothionates Process for producing dialkyl phosphorochloridothionates

1980-09-17

1982-06-01

Sutto, Anton H.

Chemistry of carbon compounds

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

C07F 920

Patent

active

043327478

ABSTRACT:
The process of producing a lower alkyl ester of phosphorochloridothioic acid by the chlorination of alkyl esters of dithiophosphoric acid in which the chlorine added after the addition of from 0.63 to 0.86 moles of chlorine per mole of phosphorodithioic acid is diluted with an inert gas. The disclosed process improves product yields, and purity, and advantageously provides for simple HCl recovery.

REFERENCES:
patent: 3356774 (1967-12-01), Niermann et al.
patent: 3897523 (1975-07-01), Sorstokke
patent: 4173603 (1979-11-01), Chen
patent: 4185053 (1980-01-01), Mirviss et al.

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