| 摘要 |
<p>A 5-sulphonamido-1-aryl-pyrazole of the formula (I) <IMAGE> (I) in which R1 represents hydrogen, nitro, nitroso or halogen, R2 represents hydrogen, alkyl or a radical R3-SO2-, or an inorganic or organic cation bonded in the form of a salt, R3 represents alkyl, alkenyl, cycloalkyl, halogeno-alkyl, hydroxyalkyl, alkoxyalkyl or unsubstituted or substituted aryl, R4 and R6 independently of one another represent cyano, nitro, halogen, alkyl, alkoxy, alkoxycarbonyl, halogenoalkyl, halogenoalkoxy or a radical -(O)n-R9 and R5, R7 and R8 independently of one another and of R4 and R6 represent the same radicals as R4 and R6, and additionally represent hydrogen, wherein R9 represents alkyl, halogenoalkyl, amino, alkyl-amino or dialkylamino and n represents the number 0, 1 or 2. Such 5-sulphonamido-1-aryl-pyrazole being useful as a herbicide.</p> |
