| 摘要 |
T 955 FF SULPHONAMIDE HERBICIDES Compounds of the formula (I) in which A is nitrogen or CR7; R1, R2 and R7 each independently are hydrogen, halogen, formyl, cyano, carboxy or azido, or optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, alkoxy, alkenyloxy, alkynyloxy, aryloxy, alkylthio, alkenylthio, alkynylthio, arylthio, alkylcarbonyl, alkoxycarbonyl, amino. aminoxy or dialkyliminoxy; R3 is hydrogen, or optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, heterocyclic, aralkyl or aryl; R4 is hydrogen or optionally substituted alkyl, alkenyl, aralkyl, aryl, heterocyclic or acyl; and R5 and R6 each independently are hydrogen or optionally substituted alkyl, alkoxy, alkenyl, alkynyl, aryl, aralkyl, amino, cycloalkyl or heterocyclic, or a sulphonyl-containing group, or where R11 is alkylthio, or together form where R9 and R10 each independently are hydrogen, alkyl, alkoxy, aryl, aralkyl or dialkylamino, or R9 and R10 together form optionally substituted heterocyclic or optionally interrupted alkylene chain; and salts thereof, have herbicidal properties. PS27/T955FF.DOC
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