| 摘要 |
Herbicidal and plant growth-regulating novel 5-acylamino-pyrazoles of the formula <IMAGE> in which R1 represents hydrogen, halogen or nitro, R2 represents hydrogen, alkyl, alkenyl, alkinyl or optionally substituted cycloalkyl, Ar represents in each case optionally substituted phenyl or pyridyl, X represents oxygen or sulphur, A represents a straight-chain or branched optionally substituted alkylene bridge, n represents the numbers 0 or 1 and Y represents cyano or the grouping <IMAGE> wherein X1 represents oxygen or sulphur and R3 represents hydroxyl, alkoxy, alkenyloxy, alkynyloxy, alkylthio, amino, alkylamino, dialkylamino, alkenylamino, dialkenylamino, alkyl-alkenylamino or a -OM radical, wherein M represents one equivalent of the cation of an inorganic or organic base. Intermediates therefor of the formula <IMAGE> are also new.
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