Herbicidal substituted 2-(1-(oxyamino)-alkylidene)-cyclohexane-1,3-diones

A compound of the formula ##STR45## wherein R is alkyl of 1 to 6 carbon atoms or phenyl;

• R.sup.1 is haloalkenyl of 2 to 6 carbon atoms and 1 to 3 halogen atoms, p-halobenzyl or p-trifluoromethylbenzyl;
• R.sup.2 and R.sup.3 are independently hydrogen, alkyl of 1 to 3 carbon atoms, alkylthio of 1 to 6 carbon atoms, or alkylthioalkyl of 2 to 8 carbon atoms;
• R.sup.4 is hydrogen, or carbalkoxy of 2 to 4 carbon atoms;
• R.sup.5 is hydrogen, a cation, or ##STR46## wherein R.sup.6 is alkyl of 1 to 6 carbon atoms, phenyl or naphthyl.