Herbicidal O-alkyl sulfonylisoureas

A compound selected from compounds having the formula:

• ##STR63## wherein ##STR64## R.sup.2 is CH.sub.3, OCH.sub.3, F, Cl, Br, NO.sub.2, CF.sub.3, S(O).sub.m R.sup.10, where m is 0, 1 or 2, COR.sup.5, or SO.sub.2 NR.sup.10 R.sup.11 ;
• R.sup.3 is H, F, Cl, Br, C.sub.1 -C.sub.4 alkyl, or CH.sub.3 O;
• R.sup.4 is Cl, Br, CH.sub.3, C.sub.1 -C.sub.4 alkoxy, NO.sub.2, CO.sub.2 R.sub.6, or SCH.sub.3 ;
• R.sup.5 is C.sub.1 -C.sub.10 alkoxy, C.sub.3 -C.sub.6 alkenyloxy, C.sub.2 -C.sub.6 alkoxy substituted with 1-3 halogens selected from F, Cl, or Br;
• C.sub.5 -C.sub.6 cycloalkoxy, OCH.sub.2 CH.sub.2 OR.sup.7, O(CH.sub.2).sub.3 OR.sup.7, C.sub.1 -C.sub.4 alkylthio, NR.sup.8 R.sup.9 or N(OCH.sub.3)CH.sub.3 ;
• R.sup.6 is C.sub.1 -C.sub.6 alkyl;
• R.sup.7 is CH.sub.3 or C.sub.2 H.sub.5 ;
• R.sup.8 and R.sup.9 are independently C.sub.1 -C.sub.4 alkyl, or R.sup.8 R.sup.9 can be taken together to be (CH.sub.2).sub.5, (CH.sub.2).sub.5, or O(CH.sub.2 CH.sub.2 --).sub.2 ;
• R.sup.10 and R.sup.11 are independently C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.4 alkenyl, or R.sup.10 and R.sup.11 can be taken together to be (CH.sub.2).sub.4, (CH.sub.2).sub.5, or O(CH.sub.2 CH.sub.2 --).sub.2 ;
• V is H or F;
• W is Cl, Br or OR.sup.12 ;
• R.sup.12 is C.sub.1 -C.sub.12 alkyl, C.sub.3 -C.sub.4 alkenyl, CH.sub.2 CH.sub.2 OCH.sub.3, CH.sub.2 CH.sub.2 OCH.sub.2 CH.sub.2, (CH.sub.2).sub.3 OCH.sub.3, benzyl, CHR.sup.13 CO.sub.2 R.sup.14, where R.sup.13 is H or CH.sub.3 and R.sup.14 is C.sub.1 -C.sub.4 alkyl;
• X is CH.sub.3 or OCH.sub.3 ;
• Y is CH.sub.3, C.sub.1 -C.sub.4 alkoxy, O(CH.sub.2).sub.n OR.sup.15, where n is 1-3 and R.sup.15 is C.sub.1 -C.sub.3 alkyl;
• OCHR.sup.16 CO.sub.2 R.sup.15, where R.sup.16 is H or CH.sub.3 ;
• CF.sub.3 CH.sub.2 O or CCl.sub.3 CH.sub.2 O;
• Z is N;
• Q is CH.sub.2 or O;
• and
• A is CH.sub.3 or CH.sub.3 O
• and their agriculturally acceptable salts.