Abstract: Various substituted cyclohexane-1,3-diones are useful as herbicides.An exemplary species is 2-[1-(allyloxyamino)propylidene]-5,5-dimethylcyclohexane-1,3-dione.

Abstract: A compound of the general formula ##STR1## WHEREIN R.sub.1 is lower alkyl having six or less carbon atoms,R.sub.2 is lower alkyl having six or less carbon atoms or lower alkenyl having six or less carbon atoms,R.sub.3 is hydrogen or lower alkoxycarbonyl having six or less carbon atoms,R is aliphatic or aromatic ester residue of dibasic or tribasic acid andn is 2 or 3;Is useful as herbicide.

Abstract: Various substituted cyclohexane-1,3-diones are useful as herbicides.An exemplary species is 2-[1-(allyloxyamino)propylidene]-5,5-dimethylcyclohexane-1,3-dione.

Abstract: A compound of the general formula ##STR1## wherein R.sub.1 is lower alkyl,R.sub.2 is selected from the group consisting of lower alkyl, lower alkenyl and lower alkynyl,A is a formula which is selected from the formula consisting of: ##STR2## where R.sub.3 is selected from the group consisting of hydrogen and lower alkyl,R.sub.4 is selected from the group consisting of lower alkyl and phenyl, andR.sub.3 forms cyclo-alkylene of 4 to 5 carbon atoms by combining with R.sub.4 ; ##STR3## where R.sub.5 and R.sub.7 are selected from the group consisting of hydrogen and lower alkyl andR.sub.6 is lower alkyl; and ##STR4## where R.sub.8 is selected from the group consisting of hydrogen and lower alkyl andR.sub.9 is lower alkyl;Or a metal salt of the compound defined herein above is useful as herbicide.

Abstract: A compound of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of hydrogen, lower alkyl, phenyl and phenyl substituted with halogen or halogenated methyl;R.sub.2 is selected from the group consisting of hydrogen, lower alkyl and lower alkenyloxy;R.sub.3 is selected from the group consisting of lower alkyl and phenyl substituted with halogen;R.sub.4 is selected from the group consisting of lower alkyl, lower alkenyl and benzyl;Or a metal salt of the compound defined herein above; is useful as herbicide.

Abstract: A compound of the formula ##SPC1##Wherein X is hydrogen or halogen:R.sub.1 is alkyl having six or less carbon atoms or phenyl;R.sub.2 is alkyl having 1 to 20 carbon atoms or haloalkyl having six or less carbon atoms or phenyl or phenyl substituted with halogene or nitro or benzyl or phenoxymethyl or 2-phenylvinyl;R.sub.3 is hydrogen or alkyl having 1 to 10 carbon atoms or alkenyl having six or less carbon atoms or alkynyl having six or less carbon atoms or benzyl; a proviso that R.sub.1 and R.sub.2 do not simultaneously represent a methyl group,Is useful as herbicide.

Abstract: A compound of the formula ##SPC1##WhereinR.sub.1 is selected from the group consisting of phenyl and straight or branched chain alkyl;R.sub.2 is selected from the group consisting of straight or branched chain lower alkyl, straight or branched chain lower alkenyl, lower alkynyl, lower alkoxymethyl, lower alkylthiomethyl and benzyl;X is a same or different substituent which is selected from the group consisting of straight or branched chain alkyl, lower alkoxycarbonyl, phenyl, substituted phenyl having at least one substituent selected from the group consisting of halogen, methyl and methoxy, styryl, furyl, thienyl and --(CH.sub.

Abstract: A compound of the formula ##SPC1##Wherein R.sub.1 and R.sub.2 are alkyl having six or less carbon atoms, R.sub.3 is selected from the group consisting of alkyl having six or less carbon atoms and alkenyl having six or less carbon atoms, with the proviso that R.sub.1 and R.sub.2 don't represent simultaneously methyl group;Are useful as selective herbicide.

Abstract: A selective herbicidal composition comprising an effective amount of a compound of the formula ##SPC1##Wherein R is selected from the group consisting of isopropyl and tertbutyl.

Abstract: Benzothiazole derivatives of the general formula: ##SPC1##Wherein R is chlorine atom, alkyl having from 1 to 4 carbon atoms or methoxy; are useful as selective herbicide.

Abstract: Various substituted cyclohexane-1,3-diones are useful as herbicides.An exemplary species is 2-[1-(allyloxyamino)propylidene]5,5-dimethylcyclohexane-1,3-dione.