Abstract: A method of preparing N-phosphonomethylglycine comprising: (a) reacting O,O-dialkylaminomethylphosphonate with formaldehyde to produce a triazine compound; (b) reacting the triazine formed in step (a) with an acyl cyanide to form the O,O-dialkyl-N-phosphonomethyl-N-cyanomethyl amide; and (c) hydrolyzing the amide formed in step (b) to yield N-phosphonomethylglycine.

Abstract: A method for preparing N-phosphonomethylglycine comprising (a) O,O-dialkylaminomethylphosphonate with formaldehyde to produce a triazine; (b) reacting the triazine formed in step (a) with an acyl halide to form the O,O-dialkyl-N-phosphonomethyl-N-chloromethyl acetamide of the acyl halide; (c) reacting the amide formed in step (b) with metal cyanide to form O,O-dialkyl-N-cyanomethyl-N-acetamide; and (d) hydrolyzing the acetamide formed in step (c) to yield N-phosphonomethylglycine.

Abstract: A method of preparing N-phosphonomethylglycine comprising (a) reacting a triazine with an acyl halide to form the N-cyanomethyl-N-halomethyl amide of the acyl halide; reacting the said amide with a phosphite to form a phosphonate compound; and hydrolyzing said phosphonate to yield N-phosphonomethylglycine.

Abstract: A process for preparing N-phosphonomethylglycine which comprises:(1) reacting a primary amine with formaldehyde to produce N,N', N"-tris-substituted-hexahydro-s-triazine;(2) reacting the triazine with an haloacetyl halide, preferably chloroacetyl chloride, to form the N-(substituted)-N-halomethyl acetamide of the haloacetyl halide;(3) reacting the amide with O,O-di-(substituted)-aminomethylphosphonate to form O,O-di-(substituted)-1-phosphonomethyl-3-(substituted)-1,3-imidazol-4-one; and(4) hydrolyzing the 1,3-imadazol-4-one to yield N-phosphonomethylglycine.

Abstract: A method of preparing N-phosphonomethylglycine comprising (a) reacting a substituted triazine with an acyl halide to form the N-carboalkoxymethyl-N-halomethyl amide of the acyl halide; reacting the said amide with a phosphite to form a phosphonate compound; and hydrolyzing said phosphonate to yield N-phosphonomethylglycine.

Abstract: An herbicide antidote having the formula ##STR1## in which X is selected from the group consisting of hydrogen and halogen wherein the halogen is chlorine, bromine or iodine.

Abstract: Herbicide antidote compounds having the formula ##STR1## in which R is selected from the group consisting of alkenyl having 2-12 carbon atoms, inclusive; and alkylalkoxy having 1-8 carbon atoms, inclusive.

Abstract: Herbicidally active thiolcarbamates are employed in combination with certain substituted phenyl isonitriles having the formula ##STR1## in which R.sup.1 is selected from the group consisting of C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.6 alkylthio, phenyl, halogen, benzylthio, and p-chlorobenzylthio, andR.sup.2 is selected from the group consisting of hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy, and halogen.In a typical application, the isonitrile is included in sufficient quantity to lessen the rate of soil degradation of the thiolcarbamate. As a result, the herbicidal effectiveness of the thiolcarbamate is enhanced and prolonged, rendering a single application of the herbicide effective over a longer period of time.

Abstract: Compounds having the formula ##STR1## in which X and Y are halogen; R is cyano, halogen, thio-C.sub.1 -C.sub.4 alkyl, phenyl, pyridyl, hydroxy, or OR.sub.1 ; R.sub.1 is C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 mono- or di-alkylcarbamyl, C.sub.2 -C.sub.6 alkoxyalkyl, phenylcarbamyl, C.sub.1 -C.sub.6 alkanoyl or C.sub.1 -C.sub.6 haloalkanoyl; and n is: (a) 1 or 2 if R is thioalkyl, cyano or phenyl; and (b) 2 if R is otherwise as defined, are herbicides.

Abstract: Compounds having the formula ##STR1## in which R.sub.1 is alkyl, lower alkenyl, chloro-lower alkyl, lower cycloalkyl, lower alkoxy, thio-lower alkyl, or ##STR2## R.sub.2 is hydrogen, lower alkoxyalkyl or lower alkanoyl; R.sub.3 and R.sub.4 are independently hydrogen, lower alkyl or lower alkoxy; X and Y are independently chloro, fluoro or bromo; Z is hydrogen, methyl, dimethyl or one methyl and one chloro substituent; and n is 0 or 1. The compounds have utility as herbicides, particularly as post-emergence herbicides.

Abstract: Sulfinoate compounds have the formula ##STR1## in which R and R.sub.1 are each haloalkyl having 1-4 carbon atoms. The compounds have utility as herbicidal antidotes for the protection of crops from thiocarbamate or trifluralin herbicidal injury.

Abstract: Novel compounds having the formula ##STR1## in which X is (H).sub.2 or (CH.sub.3).sub.2 ; Y is oxygen or sulfur; R.sub.1 is alkyl, lower alkenyl, cyclopropyl, lower alkoxy, thio-lower alkyl or ##STR2## R.sub.2 and R.sub.3 are independently hydrogen, lower alkyl, lower alkenyl, or lower alkoxy and n is 0 or 1. The compounds have been found to possess herbicidal activity.

Abstract: An herbicide antidote compound having the formula ##STR1## and herbicide antidote compositions comprising (a) an herbicidally effective amount of a thiocarbamate compound of the formula: ##STR2## in which R.sub.1 is alkyl having 1-6 carbon atoms, inclusive; R.sub.2 is selected from the group consisting of alkyl having 1-6 carbon atoms, inclusive; and cyclohexyl; or R.sub.1 and R.sub.2 form indistinguishable parts of a single alkylene ring having 4-10 carbon atoms, inclusive; and R.sub.

Abstract: Novel biocidal compounds having the general structural formula ##STR1## wherein R is selected from the group consisting of C.sub.1 -C.sub.4 alkyl, including ethyl, ethyl, propyl and butyl, ##STR2## phenyl, or substituted phenyl wherein the substituents are selected from the group comprising --CH.sub.3, --CF.sub.3, --NO.sub.2, bromine and chlorine.

Abstract: Novel biocidal compounds having the general structural formula ##STR1## wherein R and R' are independently selected from the group consisting of C.sub.1 -C.sub.4 alkyl including methyl, ethyl, propyl and butyl, C.sub.2 -C.sub.4 alkenyl including ethenyl, propenyl and butenyl, phenyl, and substituted phenyl wherein the substituents are selected from the group consisting of NO.sub.2, CH.sub.3, CF.sub.3, Cl and Br.

Abstract: Novel biocidal compounds having the general structural formula ##STR1## wherein X is selected from the group consisting of --H, halogen, including --Br, --Cl and --F, C.sub.1 -C.sub.4 alkyl, including methyl, ethyl, propyl and butyl.

Abstract: Novel biocidal compounds having the general structural formula ##STR1## wherein R and R' are independently selected from the group consisting of C.sub.1 -C.sub.4 alkyl including methyl, ethyl, propyl and butyl, C.sub.2 -C.sub.4 alkenyl including ethenyl, propenyl and butenyl, phenyl, and substituted phenyl wherein the substituents are selected from the group consisting of NO.sub.2, CH.sub.3, CF.sub.3, Cl and Br.

Abstract: Novel biocidal compounds having the general structural formula ##STR1## wherein R is selected from the group consisting of C.sub.1 --C.sub.4 alkyl, including methyl, ethyl, propyl and butyl, ##STR2## phenyl, substituted phenyl wherein the substituents are selected from the group comprising --CH.sub.3, --CF.sub.3, --NO.sub.2, bromine and chlorine.

Abstract: Compounds having the formula ##STR1## in which X is hydrogen, chloro or bromo; R is hydrogen or lower alkanoyl; R.sub.1 is lower alkyl, cyclopropyl or NR.sub.3 R.sub.4 ; R.sub.2 is hydrogen or lower alkanoyl; and R.sub.3 and R.sub.4 are independently hydrogen or lower alkyl, are useful as herbicides, primarily for post-emergent application.

Abstract: Novel biocidal compounds have the general structural formula ##STR1## wherein n is 0, 1, or 2 and R is alkyl, alkylcarbalkoxy, cyclohexyl, halophenyl, benzyl, N,N-di-lower alkyl carbamoyl, hexamethyleneimino carbonyl, pyrimidyl, lower alkyl substituted pyrimidyl, benzimidazole, lower alkyl substituted imidazole, benzothiazole and O,O-di-lower alkyl thiophosphoryl; with the proviso that when n is 0, R is other than alkyl or cyclohexyl.