2-AROYLCYCLOHEXANEDIONES, THEIR PREPARATION AND THEIR USE AS HERBICIDES OR PLANT GROWTH-REGULATING AGENTS

摘要

2-Aroylcyclohexanediones I <IMG> I (A is C1-C6-alkylene; R1 is substituted phenyl or hetaryl which may furthermore carry a fused ring; R2 - R5 are each hydrogen or C1-C4-alkyl; R6 is H, C1-C4-alkyl or C1-C4-alkoxycarbonyl and R7 is C1-C4-alkyl, with the proviso that R1 is not mono- or dihalophenyl) and the agriculturally useful salts thereof and the esters of I with C1-C10-carboxylic acids or inorganic acids. The 2-aroylcyclohexanediones I are suitable as herbicides and plant growth regulators.