PROCESS FOR PREPARATION OD 0,0-DIMETHYI (DIETHYL)-0-(2,2-DICHLORO VINYL)ESTER OF THIONO PHOSPHORIC ACID

PROCESS FOR PREPARATION OD 0,0-DIMETHYI (DIETHYL)-0-(2,2-DICHLORO VINYL)ESTER OF THIONO PHOSPHORIC ACID

O,O-dimethyl (or diethyl)-O-(2,2-dichloro vinyl) ester of thino phosphoric acid (I; R = Me or Et), useful as acaricides or insecticides, were prepd. by treating O,O-dimethyl (or diethyl) ester of 1-hydroxy-2,2,2-trichloroethane thiono phosphoric acid(II) with equiv. soln. of alkaline metal alkoholat...

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Hauptverfasser: SIRRENBERG WILHELM, COELLN REIMER
Format: Patent
Sprache:eng
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Zusammenfassung:O,O-dimethyl (or diethyl)-O-(2,2-dichloro vinyl) ester of thino phosphoric acid (I; R = Me or Et), useful as acaricides or insecticides, were prepd. by treating O,O-dimethyl (or diethyl) ester of 1-hydroxy-2,2,2-trichloroethane thiono phosphoric acid(II) with equiv. soln. of alkaline metal alkoholate, alkaline metal hydroxide, or alkaline metal carbonate at-20 C-100 C.