ARYLOXYCARBONYL COMPOUNDS

摘要

OF THE DI DISCLOSURE Aryloxycarbonyl compounds of the formula (I) in which m and n represent the numbers 0 or 1, Ar represents aryl or heteroaryl, Q represents heteroarylene, A represents oxygen, sulphur or methylene, X1 and x2 are identical or different and represent hydro gen, halogen, alkyl, halogenoalkyl, alkoxy or halogenoalkoxy, R1 and R2 are identical or different and represent hydro gen, alkyl, haloqenoalkyl, E represents an optionally substituted ethylene or vinylene group, and Y represents the radical of a carboxylic acid or of a carboxylic acid derivative, are useful as herbicides. Processes of preparation and intermediates useful therein are also disclosed.