Preparation of O, O-dimethyl-O-(2,2-dichlorovinyl)-thionophospho

Details Preparation of O, O-dimethyl-O-(2,2-dichlorovinyl)-thionophospho Preparation of O, O-dimethyl-O-(2,2-dichlorovinyl)-thionophospho

1977-07-29

1978-10-31

Sutto, Anton H.

Chemistry of carbon compounds

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

260957, C07F 9165

Patent

active

041234782

ABSTRACT:
A process for the preparation of O,O-dimethyl-O-(2,2-dichlorovinyl)-thionophosphoric acid ester of the formula ##STR1## comprising reacting O,O-dimethyl-1-hydroxy-2,2,2-trichloroethane-thionophosphonic acid ester of the formula ##STR2## in isopropanol with a 30-50% aqueous solution of an alkali metal hydroxide, possibly present in a small molar excess.

REFERENCES:
patent: 2865943 (1958-12-01), Lorenz

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