Abstract: Herbicidal substituted hydroxybenzyl-heteroaryl compounds and derivatives thereof of the formula ##STR1## wherein Ar is a substituted or unsubstituted 5- or 6-membered heteroaryl group having 2 or 3 ring nitrogen atoms or a substituted or unsubstituted 5-membered heteroaryl group having two ring heteroatoms, one of the ring heteroatoms being nitrogen and the other being sulfur or oxygen. Herbicidal compositions containing such substituted hydroxybenzyl-heteroaryl compounds and derivatives thereof and methods of controlling undesirable vegetation employing these compounds and derivatives are also disclosed. The compounds in which XR is hydroxyl are also useful as intermediates for producing the disclosed substituted hydroxybenzyl-heteroaryl derivatives.

Abstract: Herbicidal 3-substituted pyridine compounds and derivatives thereof of the formula: ##STR1## wherein Ar is a substituted or unsubstituted 5- or 6-membered heteroaryl group having 1, 2 or 3 ring nitrogen atoms with the remainder of the ring atoms being carbon; a substituted or unsubstituted 5-membered heteroaryl group having a ring heteroatom of oxygen or sulfur with the remainder of the ring atoms being carbon; or a substituted or unsubstituted 5-membered heteroaryl group having one ring nitrogen atom and either an oxygen or sulfur ring heteroatom with the remainder of the ring atoms being carbon. Herbicidal compositions containing such 3-substituted pyridine compounds and derivatives thereof and methods of controlling undesirable vegetation employing these compounds and derivatives are also disclosed. The compounds in which XR is hydroxyl are also useful as intermediates for producing the disclosed 3-substituted pyridine derivatives.

Abstract: Herbicidal compounds have the formula ##STR1## in which: R.sub.1 is hydrogen, halogen; C.sub.1 -C.sub.4 alkyl; C.sub.1 -C.sub.4 haloalkyl; C.sub.1 -C.sub.4 alkoxy; C.sub.1 -C.sub.4 haloalkoxy; C.sub.2 -C.sub.8 alkoxyalkyl; nitro; cyano; thiocyano; or R.sub.7 S(O).sub.m - where m is 0, 1 or 2 and R.sub.7 is C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 haloalkyl;R.sub.2 and R.sub.3 are independently hydrogen; halogen; C.sub.1 -C.sub.4 alkyl; C.sub.1 -C.sub.4 alkoxy; C.sub.1 -C.sub.4 haloalkyl; C.sub.1 -C.sub.4 haloalkoxy; C.sub.2 -C.sub.8 alkoxyalkyl; nitro; R.sub.8 S(O).sub.2 O- or R.sub.8 S(O).sub.n - where n is 0, 1 or 2 and R.sub.8 is C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 cyanoalkyl, phenyl or benzyl; NR.sub.9 R.sub.10 where R.sub.9 and R.sub.10 are independently hydrogen or C.sub.1 -C.sub.4 alkyl; R.sub.11 CO- where R.sub.11 is C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy, SO.sub.2 NR.sub.12 R.sub.13 where R.sub.12 and R.sub.13 are independently hydrogen, C.sub.1 -C.sub.

Abstract: Compounds and compositions containing alkylphosphonothioates, for insecticidal control, particularly for use as soil and/or foliar insecticides, having the formula. ##STR1## in which R is C.sub.1 -C.sub.3 alkyl;R.sub.1 is C.sub.4 -C.sub.6 branched alkyl;R.sub.2 is hydrogen, methyl, ethyl, cyano or C.sub.2 -C.sub.4 alkynyl; ##STR2## R.sub.4 is halo, C.sub.1 -C.sub.2 haloalkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 thioalkyl or mono-or di-C.sub.1 -C.sub.2 alkylamino;n is 1-3; andX is O or S.

Abstract: Novel insecticides have the formula ##STR1## in which R.sub.1 is hydrogen, halogen, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 haloalkoxy or C.sub.1 -C.sub.4 haloalkylthio;R.sub.2 is hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 haloalkoxy or C.sub.1 -C.sub.4 haloalkylthio;R.sub.3 is hydrogen, halogen or C.sub.1 -C.sub.4 haloalkyl; orR.sub.1 and R.sub.2 taken together are C.sub.1 -C.sub.4 alkylenedioxy or halo-C.sub.1 -C.sub.3 alkylenedioxy; provided that R.sub.1, R.sub.2 and R.sub.3 are not all hydrogen;R.sub.4 is methyl, ethyl, n-propyl, C.sub.3 -C.sub.7 branched alkyl, C.sub.1 -C.sub.6 haloalkyl, C.sub.2 -C.sub.4 alkenyl; or cyclopropyl, optionally substituted by up to 4 methyl groups or up to 2 halogens;R.sub.5 is: ##STR2## R.sub.6 is phenyl, benzyl, C.sub.3 -C.sub.4 alkenyl, or C.sub.3 alkynyl; R.sub.7, R.sub.8, R.sub.10 and R.sub.11 are each halogen; andR.sub.

Abstract: Herbicides having the formula ##STR1## in which X is oxygen or sulfur; and if X is sulfur, R.sub.1 is C.sub.1 -C.sub.6 alkyl, C.sub.5 -C.sub.6 cycloalkyl, allyl, phenyl, tolyl, chlorophenyl, 3,4-dichlorophenyl, or phen-(C.sub.1 -C.sub.2)alkyl; R.sub.2 is C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.4 alkoxyalkyl, or allyl; R.sub.3 is C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxyalkyl, pyridyl, phenyl or substituted phenyl in which the substituents are halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 haloalkoxy, nitro and/or cyano; or R.sub.2 and R.sub.3 taken together form an alkylene chain having from 2 to 6 carbon atoms optionally substituted by up to two C.sub.1 -C.sub.4 alkyl groups; if R.sub.3 is alkyl or alkoxyalkyl, then R.sub.4 and R.sub.5 are each C.sub.2 -C.sub.4 alkyl; if R.sub.3 is phenyl, substituted phenyl or pyridyl, then R.sub.4 and R.sub.5 are C.sub.2 -C.sub. 6 alkyl, phenyl or substituted phenyl; or R.sub.3 and R.sub.

Abstract: A series of novel imidate insecticides distinguished by the general formula ##STR1## in which R.sub.1 is an optionally substituted aryl group in which the substituents are halo, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkoxy, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 haloalkylthio, C.sub.3 -C.sub.6 cycloalkyl, nitro, C.sub.1 -C.sub.4 haloalkyl, C.sub.2 -C.sub.5 carboalkoxy, C.sub.1 -C.sub.4 alkylthio, cyano, C.sub.1 -C.sub.4 alkylsulfonyl, C.sub.1 -C.sub.4 haloalkylsulfonyl; C.sub.2 -C.sub.5 alkylcarbonyl, C.sub.2 -C.sub.4 alkyleneoxy, C.sub.1 -C.sub.4 alkylenedioxy, C.sub.1 -C.sub.3 halo-substituted alkylenedioxy, phenyl, mono-substituted phenyl, pyridyloxy, C.sub.2 -C.sub.4 alkylene, C.sub.2 -C.sub.4 alkenyl, and/or amido;R.sub.2 is C.sub.1 -C.sub.7 alkyl, C.sub.1 -C.sub.6 haloalkyl, cyclopropyl, cyclobutyl, mono- or poly- halo- or methyl-substituted cyclopropyl, cyano, C.sub.2 -C.sub.4 alkoxyalkyl, C.sub.2 -C.sub.6 haloalkenyl or C.sub.2 -C.sub.6 alkenyl; andR.sub.

Abstract: Compounds having the formula ##STR1## in which R.sub.1 is C.sub.1 -C.sub.3 alkyl; R.sub.2 is C.sub.3 -C.sub.6 alkyl; R.sub.3 is hydrogen, halo, trifluoromethyl, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, phenoxy, cyano, nitro or C.sub.2 -C.sub.5 carboalkoxy; n is an integer from 1 to 5; --A-- is ##STR2## R.sub.4 is hydrogen, C.sub.1 -C.sub.4 alkyl, or --CH.sub.2 Y; m is 0 or 1; and Y is halo, are insecticides.

Abstract: A compound having the structural formula ##STR1## wherein R is C.sub.1 -C.sub.4 alkyl; R.sup.1 is C.sub.1 -C.sub.4 alkyl; R.sup.2 is hydrogen or methyl; R.sup.3 is methyl or ethyl; and R.sup.4 is C.sub.1 -C.sub.4 alkyl.