Herbicidal imidazolinones

摘要

Imidazolinones of the formula <IMAGE> (I) in which A denotes N or C-R4; B denotes halogenoalkyl, alkoxymethyl, cyanomethyl or thiocyanatomethyl; X denotes alkyl; and Y denotes alkyl, cycloalkyl, alkenyl, phenyl or benzyl; or X and Y, together with C, denote a spiro-cycloalkyl group; Z denotes H, (substituted) alkyl, alkenyl, propargyl or an alkyl, carboxylic acid ester or sulfonic acid ester group; and R1-R4 denote H, halogen, alkyl, alkoxy, alkoxycarbonyl, halogenoalkyl, NO2, CN, (substituted) phenoxy or (substituted) phenyl, or in each case two adjacent radicals together denote the radical -CH=CH-CH-CH-, are active herbicides and growth regulators.