NOVEL N ACYL SULPHONAMIDES, NOVEL MIXTURES OF HERBICIDES AND ANTIDOTES AND THEIR USE

摘要

PURPOSE: Novel N acyl sulphonamides, novel mixtures of herbicides and antidotes and their use are provided to protect against phytotoxic side effects of pesticides in culture plants. CONSTITUTION: Novel N acyl sulphonamides, novel mixtures of herbicides and antidotes and their use compound of formula (I) and their salts, in which R1 is hydrogen, a hydrocarbon, a hydrocarbon thio radical or a heterocyclyl radical, in which each of the four last radicals may be unsubstituted or substituted by one or more identical or different radicals from the group halogen, cyano, nitro, amino, hydroxy, carboxy, formyl, carbon amide, sulphonamide and radicals of the formula Za, Ra, R2 is hydrogen or (C1-C4) alkyl, or R1 and R2 together with the group of the formula CO, N are the radical of a 3 to 8 member saturated or unsaturated ring, and R3 to R5, n and m have the meanings given in claim 1. The compounds may be produced by the process claimed in claim 8.