herbicide and insecticide resources on the bases of pyrazole derivatives, as well as the production of certain pyrazole derivatives

摘要

Herbicidally and insecticidally active 4-nitro-1-phenylpyrazoles of the formula IMAGE in which R1 and R2 each independently is hydrogen, alkyl, cycloalkyl, hydroxyalkyl, alkoxyalkyl, alkylthioalkyl or halogenoalkyl, R3, R4, R5, R6 and R7 each independently is hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkylthio, alkylsulphinyl, alkylsulphonyl, alkoxycarbonyl, or -(X)n-R8, X is oxygen, sulphur, sulphinyl or sulphonyl, n is 0 or 1, and R8 is halogenoalkyl.