Abstract: The present application discloses herbicidal substituted-phenyl-1,2,4-Triazol-5(1H)-thiones and -ones, herbicidal compositions containing these compounds, methods of preparing them, and methods for controlling undesired plant growth by preemergence and/or postemergence application of the herbicidal compositions to the locus where control is desired. The herbicidal compounds are compounds of the formula ##STR1## wherein: Ar is selected from ##STR2## R is selected from haloalkyl; R.sup.1 is selected from alkyl;R.sup.2 is selected from hydrogen, halogen, alkyl, haloalkoxy, haloalkyl, alkoxy, alkynyl, alkylthio, nitro, amino and cyano;R.sup.3 is selected from hydrogen, halogen, alkyl, alkoxy, alkynyl, nitro, amino, mono- or disubstituted amino, cyano and hydroxy;R.sup.3 is selected from hydrogen, halogen, alkyl, alkoxy, alkynyl, nitro, amino, mono- or disubstituted amino, cyano and hydroxy;R.sup.

Abstract: The present application discloses herbicidal substituted-phenyl-1,2,4-Triazole-5(1H)-thiones and -ones, herbicidal compositions containing these compounds, methods of preparing them, and methods for controlling undesired plant growth by preemrgence and/or postemergence application of the herbicidal compositions to the locus where control is desired. The herbicidal compounds are compounds of the formula ##STR1## wherein Ar is selected from ##STR2## R is selected from haloalkyl; R.sup.1 is selected from alkyl;R.sup.2 is selected from hydrogen, halogen, alkyl haloalkoxy, haloalkyl, alkoxy, alkynyl, alkylthio, nitro, amino and cyano;R.sup.3 is selected from hydrogen, halogen, alkyl, alkoxy, alkynyl, nitro, amino, mono- or disubstituted amino, cyano and hydroxyR.sup.3 is selected from hydrogen, halogen, alkyl, alkoxy, alkynyl, nitro, amino, mono- or disubstituted amino, cyano and hydroxy;R.sup.

Abstract: N-[(Alpha-perhaloalkylbenzyloxy)pyridyl]-N'-benzoylurea compounds of the following structural formula are useful insecticides: ##STR1## in which R.sub.A is selected from the group consisting of -hydrogen, -halogen, -lower alkyl, -lower alkoxy, -benzyl, and -benzyloxy;R.sub.B is selected from -hydrogen and -halogen;R.sub.C and R.sub.D are both -hydrogen or together constitute a --COCO-- bridge;R is a perhaloalkyl substitutent;R.sub.3 is selected from the group consisting of -hydrogen, -halogen and -phenylthio;R.sub.4 is selected from the group consisting of -hydrogen, -halogen, -lower alkyl, -lower alkoxy, -lower alkoxyalkyl, -lower haloalkoxy, -lower alkylthio, -lower alkylsulfonyl, and -diallylamino; orR.sub.3 and R.sub.4 at adjacent ring positions constitute a --OCH.sub.2 O--, --CH.sub.2 C(CH.sub.3).sub.2 O--, or --CF.sub.2 CF.sub.2 O-- bridge; andR.sub.5 is --hydrogen or -lower alkyl.

Abstract: N-[(Alpha-perhaloalkylbenzyloxy)pyridyl]-N'-benzoylurea compounds of the following structural formula are useful insecticides: ##STR1## in which R.sub.A is selected from the group consisting of -hydrogen, -halogen, -lower alkyl, -lower alkoxy, -benzyl, and -benzyloxy;R.sub.B is selected from -hydrogen and -halogen;R.sub.C and R.sub.D are both -hydrogen or together constitute a --COCO-- bridge;R.sub..alpha. is a perhaloalkyl substituent;R.sub.3 is selected from the group consisting of -hydrogen, -halogen and -phenylthio;R.sub.4 is selected from the group consisting of -hydrogen, -halogen, -lower alkyl, -lower alkoxy, -lower alkoxyalkyl, -lower haloalkoxy, -lower alkylthio, -lower alkylsulfonyl, and -diallylamino; orR.sub.3 and R.sub.4 at adjacent ring positions constitute a --OCH.sub.2 O--, --CH.sub.2 C(CH.sub.3).sub.2 O--, or --CF.sub.2 CF.sub.2 O-- bridge; andR.sub.5 is -hydrogen or -lower alkyl.

Abstract: A 2,2'-bridged[1,1'-biphenyl]-3-ylmethyl compound of the following formula is an intermediate to insecticidal esters. ##STR1## wherein n is 1-4 and Y is a leaving group readily displaced by carboxylate anions.

Abstract: Benzofurans of the formula ##STR1## wherein R.sup.1 is hydrogen, nitro, amino, phthalimido or acetamido, R.sup.2 is at least one of halo, cyano, alkyl(C.sub.1 -C.sub.8), cycloalkyl(C.sub.3 -C.sub.8), hydroxy, alkoxy(C.sub.1 -C.sub.8), acyl(C.sub.1 -C.sub.8), acyloxy(C.sub.1 -C.sub.8), alkoxy(C.sub.1 -C.sub.8)carbonyl, alkoxy(C.sub.1 -C.sub.8)carbonylalkyl(C.sub.1 -C.sub.8), phenyl, phenyloxy, trifluoromethyl or dialkyl(C.sub.1 -C.sub.8)amino, m is 0-3, and at least one of the carbon atoms of the benzene ring of said benzofuran is substituted. The compounds are intermediates in the preparation of pyrazoline insecticides.

Abstract: A method for controlling soil-borne insects such as southern corn rootworm is disclosed and exemplified in which the pyrethroid 2,4,6-trifluorophenylmethyl 3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethylcyclopropanecarboxylat e is applied to the soil for initial and residual insect control.

Abstract: Compounds of the formula ##STR1## wherein Z is ##STR2## compositions containing the compounds, and their utility as dietary and foliar insecticides are disclosed and exemplified.

Abstract: Tetrafluorobenzofurans of the formula ##STR1## are prepared by contacting, at elevated temperature in an aprotic solvent, an ether of the formula ##STR2## with a catalytic mixture of metallic cooper and a polydentate or other ligand, wherein R.sup.1 is hydrogen, nitro, amino, phthalimido or acetylimido, R.sup.2 is at least one of hydrogen, halo, cyano, alkyl, hydroxy, alkoxy, acyl, acyloxy, alkoxycarbonyl, alkoxycarbonylalkyl, phenyl, phenyloxy, trifluoromethyl or dialkylamino. The products are intermediates in the preparation of pyrazoline insecticides.

Abstract: Insecticidal compounds of the formula ##STR1## formulations thereof, their use for control of foliar or soil-borne insects, their method of preparation and certain novel intermediates for their preparation are disclosed and exemplified.

Abstract: Substituted [1,1'-biphenyl]-3-ylmethyl compounds carrying leaving groups are intermediates to insecticidal esters.

Abstract: Insecticidal compounds of the formula ##STR1## in which A and B are both halogen or hydrogen, or one of A and B is hydrogen, and the other of A and B is halogen; Z and W are independently O or S; the substituted benzofuranyl or benzothienyl group is attached at position 5 or 6; R is halogen; m is 0 to 3; R' is F or CF.sub.3 ; methods for their preparation and formulation, insecticidal compositions, and their use to control insects are disclosed.

Abstract: Insecticidal compounds of the formula: ##STR1## in which A is chloro and B is hydrogen or A and B are both fluoro, X is oxygen or sulfur and one of R.sup.1 and R.sup.2 is or includes an optionally substituted 5-membered heteroaryl ring, their method for preparation and formulation, insecticidal compositions thereof, and their use to control insects, are disclosed and exemplified.

Abstract: 2-(Alpha-perhaloalkylbenzyloxy)pyridyl compounds of the following structural formula are intermediates to N-[(alpha-perhaloalkylbenzyloxy)pyridyl]-N'-benzoylurea insecticides: ##STR1## in which R.sub..alpha. is a perhaloalkyl substituent;R.sub.3 is selected from the group consisting of -hydrogen, -halogen and -phenylthio;R.sub.4 is selected from the group consisting of -hydrogen, -halogen, -lower alkyl, -lower alkoxy, -lower alkoxyalkyl, -lower haloalkoxy, -lower alkylthio, -lower alkylsulfonyl, and -diallylamino; orR.sub.3 and R.sub.4 at adjacent ring positions constitute a --OCH.sub.2 O--, --CH.sub.2 C(CH.sub.3).sub.2 O--, or --CF.sub.2 CF.sub.2 O-- bridge;R.sub.5 is -hydrogen or -lower alkyl; andZ is -amino or -nitro.

Abstract: Certain benzocycloalkaneheteroaromaticmethyl, e.g., benzocycloalkanethiophenemethyl, esters and insecticidal compositions containing these esters are useful for the control of a broad range of insects and acarids.

Abstract: 2,2'-Bridged[1,1'-biphenyl]-3-ylmethyl carboxamides and insecticidal compositions containing these carboxamides are useful for the control of a broad range of insects and acarids.

Abstract: Difluoroethenylcyclopropanecarboxylates of the formula ##STR1## in which R is a selected biphenylmethyl, bridged biphenylmethyl or 4-phenyl-2-indanyl group, having a high level of activity against acarids are disclosed.

Abstract: [1,1'-Biphenyl]-3-ylmethyl pyrethroid esters, as well as processes, uses, and intermediates thereto, are disclosed. The [1,1'-biphenyl]-3-ylmethyl pyrethroid esters control a broad spectrum of insects as well as acarids.

Abstract: Disclosed are novel compounds of the formula ##STR1## in which R.sup.1 is hydrogen or methyl; R.sup.2 is phenyl or phenylmethyl either of which is optionally ring substituted with lower alkyl or halogen; R is hydrogen, a tetramethylcyclopropanecarbonyl group, a 1-(substitutedphenyl)-2-methylpropylcarbonyl group, a 1-(4-ethoxyphenyl)-2,2-dichlorocyclopropanecarbonyl group, or a substitutedvinylcyclopropanecarbonyl group; and, with respect to the indanyl substituents, the 1,3-trans isomer is present in an isomeric excess over the corresponding 1,3-cis isomer. The compounds wherein R is other than hydrogen are insecticides, and the compounds wherein R is hydrogen are insecticide intermediates.

Abstract: 2,2'-Bridged[1,1'-biphenyl]-3-ylmethyl carboxylates and insecticidal compositions containing these esters are useful for the control of a broad range of insects and acarids. Certain 3-(2,2-dihaloethenyl)-2,2-dimethylcyclopropyl and 3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethylcyclopropyl esters are particularly effective against acarids.