Certain thiadiazolyl phosphorus acid esters
AssigneeCiba-Geigy Corporation
InventorsWilly Meyer, Beat Bohner, Dag Dawes
Life of this patent
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Abstract
New 1,2,4-thiadiazoles substituted with a phosphorus containing radical and corresponding to the formula ##EQU1## are disclosed. In this formula R.sub.1 is alkyl or alkoxy, R.sub.2 represents alkoxy, alkylthio, amino, alkylamino, or dialkylamino, R.sub.3 stands for hydrogen, alkyl, aralkyl or cyclo-alkyl, and X is oxygen or sulphur. Such compound may be manufactured according to known methods and exibit a pesticidal especially an insecticidal and acaricidal activity.
Claims7
A compound of the formula ##EQU18## wherein R.sub.1 and R.sub.2 are independently methoxy or ethoxy, R.sub.3 is an alkyl containing from 1 to 5 carbon atoms and X is sulfur.
Dependencies are inferred from the claim text.