CYCLOHEXENONE DERIVATIVES, PREPARATION AND USE THEREOF AS HERBICIDES

摘要

O.Z. 0050/38189 Cyclohexenone derivative of the formula (I) where A is oxygen or NOR8, where R8 is alkyl, alkenyl, alkynyl, haloalkyl or haloalkenyl, chlorothienyl or alkoxyalkyl B is O, S, SO or SO2. X is hydrogen or methoxycarbonyl, R1 is hydrogen, carbonylalkyl, benzoyl or a cation, R2 is alkyl, R3 and R4 are hydroxyl, chlorine, bromine, thioalkylcarboxyl, thiocarbonylalkyl, alkylcarbonyloxy, alkoxy, or alkylthio, or R3 and R4 together epoxy, R5 and R6 are hydrogen or methyl or R5 and R6 are together methyleneoxyethylene, and R7 is hydrogen or methyl, and herbicides containing these compounds.