O - PYRAZOLOPYRIMIDINE -THIONO - PHOSPHORIC ACID ESTER-AMIDES, A PROCESS FOR THEIR PREPARATION AND THEIR USE AS INSECTICIDES AND ACARIVIDES

摘要

O-Alkyl-O-pyrazolopyrimidine-thiono-phosphoric acid ester amides of the formula IN WHICH R is an alkyl radical with 1 to 6 carbon atoms, R1 is hydrogen or halogen, and R2 and R3 each independently is hydrogen or methyl, WHICH POSSESS INSECTICIDAL AND ACARICIDAL PROPERTIES.