1,2-benzoxathiin and thiepin 2,2-dioxide herbicides

摘要

Compounds of formula (I), and their N-oxides and agriculturally suitable salts, are disclosed which are useful for controlling undesired vegetation. In said formula (I) Q is (Q-1), (Q-2) or (Q-3); and A, R<1>-R<7>, and q are as defined in the disclosure. Also disclosed are compositions containing the compounds of formula (I) and a method for controlling undesired vegetation which involves contacting the vegetation or its environment with an effective amount of a compound of formula (I).