Abstract: Compounds of formula (I), in which R1, R2 and R3 are as defined in claim 1, are particularly suitable as herbicides.

Abstract: Compounds of formula (I) in which Qi is an unsaturated five-membered optionally substituted or condensed heterocyclic ring and X is O, S, SO or SO2, and agronomically tolerated salts/N-oxides/isomers/enantiomers of these compounds are suitable as herbicides

Abstract: Compounds of formula I ##STR1## where R.sub.1 -R.sub.5, R.sub.8, R.sub.13, m and n are as defined herein. The novel compounds have valuable biocidal properties. They can be used in crop protection for protecting cultivated plants against attack by pests, and for controlling those pests.

Abstract: Compounds of the formula ##STR1## wherein: R.sub.1 is phenyl or phenyl mono- to tri-substituted by R.sub.4 ; R.sub.2 is hydrogen, C.sub.1 -C.sub.5 alkyl, C.sub.1 -C.sub.5 alkyl substituted by the radical OR.sub.5 or by the radical SR.sub.5, C.sub.3 -C.sub.6 cycloalkyl, C.sub.3 -C.sub.6 cycloalkyl mono- to tri-substituted by C.sub.1 -C.sub.4 alkyl or by halogen, C.sub.2 -C.sub.5 alkenyl, C.sub.2 -C.sub.5 alkynyl or the formyl radical; R.sub.3 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkyl substituted by halogen, cyano or by the radical OR.sub.5 or by the radical SR.sub.5, C.sub.3 -C.sub.6 cycloalkyl or C.sub.3 -C.sub.6 cycloalkyl mono- to tri-substituted by C.sub.1 -C.sub.4 alkyl or by halogen; R.sub.4 is halogen; C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.2 haloalkyl, C.sub.1 -C.sub.3 alkoxy or C.sub.1 -C.sub.3 haloalkoxy; R.sub.5 is hydrogen, C.sub.1 -C.sub.5 alkyl, C.sub.3 -C.sub.5 alkenyl, C.sub.3 -C.sub.5 alkynyl or the radical (CH.sub.2).sub.n -X-C.sub.1 -C.sub.3 -alkyl;R.sub.7 is the group -NH.

Abstract: Compounds of the formula ##STR1## in which R.sub.1 is hydrogen, halogen, methyl, methoxy or trifluoromethyl; n is 1 or 2; R.sub.2 is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.3 alkyl which is substituted by halogen, cyano or methoxy, or is C.sub.2 -C.sub.5 alkenyl, C.sub.2 -C.sub.5 alkynyl, benzyl, COR.sub.5, CON(R.sub.5)R.sub.6, CSN(R.sub.5)R.sub.6, CO(OR.sub.6), CO(SR.sub.6), CS(SR.sub.5), SO.sub.2 R.sub.7, PO(OR.sub.6).sub.2 or Si(R.sub.6).sub.3 ; R.sub.3 and R.sub.4 independently of one another are hydrogen, C.sub.1 -C.sub.5 alkyl, CH.sub.2 OR.sub.6, cyclopropyl, methylcyclopropyl, C.sub.2 -C.sub.5 alkenyl, C.sub.2 -C.sub.5 alkynyl or C.sub.1 -C.sub.2 haloalkyl; R.sub.5 is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.3 alkyl which is substituted by 1 to 3 halogens, C.sub.1 -C.sub.3 alkyl which is substituted or OR.sub.6 or SR.sub.6, or is C.sub.2 -C.sub.5 alkenyl, C.sub.2 -C.sub.5 alkenyl which is substituted by 1 to 3 halogens, C.sub.2 -C.sub.5 alkynyl, C.sub.3 -C.sub.

Abstract: Novel substituted isonicotinic acid amides of the general formula ##STR1## in which X in ortho/ortho'-position are equal and represent fluorine, chlorine, bromine or iodine;Q.sub.1 is unsubstituted pyrimidin-4-yl, or pyrimidin-4-yl substituted by R.sub.1, R.sub.2 and R.sub.3 ;Q.sub.2 is unsubstituted pyrimidin-2-yl, or pyrimidin-2-yl substituted by R.sub.1,R.sub.2 and R.sub.3 ;Q.sub.3 is unsubstituted pyrimidin-5-yl, or pyrimidin-5-yl substituted by R.sub.1, R.sub.2 and R.sub.3 ;Q.sub.4 is pyridin-2-yl, pyridin-3-yl or pyridin-4-yl each of which is unsubstituted or substituted by R.sub.1, R.sub.2 and R.sub.3 ;Q.sub.5 is pyridazin-3-yl or pyridazin-4-yl each of which is unsubstituted or substituted by R.sub.1, R.sub.2 and R.sub.3 ;Q.sub.6 is unsubstituted pyrazin-2-yl, or pyrazin-2-yl substituted by R.sub.1, R.sub.2 and R.sub.3 ;R.sub.1, R.sub.2, R.sub.3 are hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 haloalkyl having from 1 to 3 halogen atoms, C.sub.1 -C.sub.6 alkoxy, C.sub.2 -C.sub.6 alkoxyalkyl, C.

Abstract: Novel substituted isonicotinic acid amides of the general formula ##STR1## in which X in ortho/ortho'-position are equal and represent fluorine, chlorine, bromine or iodine;Q.sub.1 is unsubstituted pyridimin-4-yl, or pyrimidin-4-yl substituted by R.sub.1, R.sub.2 and R.sub.3 ;Q.sub.2 is unsubstituted pyrimidin-2-yl, or pyrimidin-2-yl substituted by R.sub.1, R.sub.2 and R.sub.3 ;Q.sub.3 is unsubstituted pyrimidin-5-yl, or pyrimidin-5-yl substituted by R.sub.1, R.sub.2 and R.sub.3 ;Q.sub.4 is pyridin-2-yl, pyridin-3-yl or pyridin-4-yl each of which is unsubstituted or substituted by R.sub.1, R.sub.2 and R.sub.3 ;Q.sub.5 is pyridazin-3-yl or pyridazin-4-yl each of which is unsubstituted or substituted by R.sub.1, R.sub.2 and R.sub.3 ;Q.sub.6 is unsubstituted pyrazin-2-yl, or pyrazin-2-yl substituted by R.sub.1, R.sub.2 and R.sub.3 ;R.sub.1, R.sub.2, R.sub.3 are hydrogen, halogen, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 haloalkyl having from 1 to 3 halogen atoms, C.sub.1 -C.sub.6 alkoxy, C.sub.2 -C.sub.

Abstract: Novel substituted isonicotinic acid esters of the general formula ##STR1## in which Y is halogen;X is oxygen or sulfur;Q is C.sub.1 -C.sub.3 alkylene, propenylene, C.sub.1 -C.sub.3 alkylene mono- or di-substituted by R, or propenylene mono- or di-substituted by R;R is C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl having from 1 to 3 halogen atoms, cyano, C.sub.2 -C.sub.5 alkoxycarbonyl, C.sub.3 -C.sub.6 cycloalkyl, phenyl, or phenyl substituted by C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, halogen, trifluoromethyl, tricholoromethyl, nitro or by cyano, or benzoyl or benzoyl substituted by C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, trifluoromethyl, trichloromethyl, nitro or by cyano;A is phenyl, biphenyl, phenoxyphenyl, naphthyl, pyridyl, furyl, thienyl, imidazolyl or triazolyl, it being possible for each of these radicals to be unsubstituted or substituted by halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.3 alkoxy, C.sub.1 -C.sub.

Abstract: Essentially, a process is described for the preparation of the 1-triazolylethyl ether derivatives, defined in claim 1, of the general formula I ##STR1## which consists in (a) reacting an oxirane of the formula II ##STR2## at temperatures of -20.degree. to +100.degree. C., in the presence of an acid catalyst or an acid condensation agent, with an alcohol of the formula IIIR.sub.3 --OH (III)to give a glycol monoether of the formula IV ##STR3## and (b) subsequently reacting the glycol monoether of the formula IV or one of its esters, in the presence of an acid-binding agent or condensation agent, at temperatures of 0.degree. to 150.degree. C., with a triazole of the formula V ##STR4## the substituents R.sub.1, R.sub.2 ; amd R.sub.3 in the formula II to IV being as defined under formula I and M in formula V being hydrogen or a metal atom. The novel compounds within the scope of formula I and their use are also described.

Abstract: A method of combating undesirable plant growth and of regulating plant growth, which comprises allowing a herbicidal or plant-regulating amount of a compound of the formula I ##STR1## in which R.sub.1 is SR.sub.2 ; OR.sub.2 ; O--CHR.sub.10 R.sub.2 ; N(R.sub.3) (CHR.sub.10 R.sub.4); N(R.sub.11)(CHR.sub.10 R.sub.4) or NR.sub.3 R.sub.4 ; R.sub.2 is optionally substituted C.sub.1 -C.sub.10 -alkyl C.sub.1 -C.sub.4 -haloalkyl; C.sub.3 -C.sub.8 -alkenyl; (3-methyloxetan-3-yl)methyl; C.sub.3 -C.sub.8 -alkynyl; or an optionally substituted radical from the group comprising phenyl, benzyl, C.sub.3 -C.sub.7 -cycloalkyl, furanyl or furfuryl R.sub.3 and R.sub.4 independently of one another are hydrogen; an optionally substituted phenyl or benzyl radical; C.sub.1 -C.sub.8 -alkyl; or C.sub.3 -C.sub.6 -cycloalkyl; or R.sub.3 and R.sub.

Abstract: 2-Arylmethyliminopyrazines of the formula I ##STR1## in which R.sub.1 is SR.sub.2 ; OR.sub.2 ; O--CHR.sub.10 R.sub.2 ; N(R.sub.3)(CHR.sub.10 R.sub.4); N(R.sub.11)(CHR.sub.10 R.sub.4) or NR.sub.3 R.sub.4 ; R.sub.2 is C.sub.1 -C.sub.10 - alkyl which is unsubstituted or substituted by hydroxyl, mercapto, C.sub.1 -C.sub.4 -alkoxycarbonyl, mercaptoalkoxy, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylcarbonyl, mono- or di-C.sub.1 -C.sub.4 -alkylamino, C.sub.1 -C.sub.4 -haloalkoxy, tri-(C.sub.1 -C.sub.4 -alkoxy)-silyl, cyano, nitro or phenyl; C.sub.1 -C.sub.4 -haloalkyl; C.sub.3 -C.sub.8 -alkenyl; (3-methyl-oxetan-3-yl)methyl; C.sub.3 -C.sub.8 -alkynyl; or a radical from the group comprising phenyl, benzyl, C.sub.3 -C.sub.7 -cycloalkyl, furanyl or furfuryl which is unsubstituted or mono-, di- or trisubstituted by identical or different substituents from the group comprising halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkylcarbonyl, nitro, C.sub.1 -C.sub.4 -alkoxy and C.sub.1 -C.sub.4 -haloalkyl; R.sub.

Abstract: The invention discloses novel N-(2-nitrophenyl)-5-aminopyrimidine derivatives of the general formula ##STR1## wherein R.sub.1 and R.sub.2 are each independently NO.sub.2 or CF.sub.3, or one of R.sub.1 and R.sub.2 is hydrogen,R.sub.3 is hydrogen or halogen,R.sub.4 is hydrogen or the --C(O)R' group, in which R' is C.sub.1 -C.sub.4 alkyl which is unsubstituted or substituted by halogen, C.sub.1 -C.sub.3 alkoxy or C.sub.1 -C.sub.3 alkylthio,R.sub.5, R.sub.6 and R.sub.7 are each independently hydrogen, halogen, nitro, cyano, thiocyano, mercapto, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 haloalkyl, C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.6 alkoxy which is substituted by halogen, nitro, cyano, C.sub.1 -C.sub.3 alkoxy, C.sub.1 -C.sub.3 alkylthio and/or N(C.sub.1 -C.sub.4 alkyl).sub.2 ; or are C.sub.3 -C.sub.6 cycloalkoxy, C.sub.3 -C.sub.6 alkenyloxy, C.sub.3 -C.sub.6 alkynyloxy, C.sub.1 -C.sub.6 alkylthio, C.sub.3 -C.sub.6 alkenylthio, C.sub.1 -C.sub.6 alkylsulfonyl, C.sub.1 -C.sub.6 alkylsulfoxyl, C.sub.3 -C.sub.

Abstract: There are described novel, microbicidally active 5-(arylmethylimino)-pyrimidines of the formula I ##STR1## wherein R.sub.n --A-- is an unsubstituted or substituted phenyl, naphthyl, biphenyl, phenoxyphenyl or phenylthiophenyl, and R.sub.1 is an ether, thioether or amino function, these substances being produced according to the invention by substitution of the halogen atom in the claimed intermediates of the formula II ##STR2## The use of these substances in plant protection, and also further important intermediates, are likewise described.

Abstract: The invention relates to novel 5-acylaminopyrimidines of the general formula I ##STR1## wherein R.sub.1 is lower alkyl, lower alkoxy, lower alkoxy-lower alkyl, thioalkyl or halogen; phenyl or phenoxy, each unsubstituted or substituted by halogen, halo-lower alkyl, carbalkoxy-lower alkyl, halo-lower alkoxy, lower alkoxy, phenoxy, halophenoxy, halo-lower alkylthio, cyano or nitro; lower alkenyl or lower alkynyl, or unsubstituted or substituted cycloalkylR.sub.2 is lower alkyl which is unsubstituted or substituted by halogen, cyano or lower alkoxy; phenyl or phenyl-lower alkyl, each unsubstituted or substituted; pyridyl, thienyl or furyl, in which the nucleus is unsubstituted or substituted, or is pyranyl, dihydropyranyl, C.sub.3 -C.sub.7 cycloalkyl or C.sub.3 -C.sub.7 alkenyl, andR.sub.3 is hydrogen or C.sub.1 -C.sub.8 alkyl and R.sub.2 and R.sub.3, together with the carbon atom to which they are attached, may form a cycloalkyl radical, which compounds are effective as plant growth regulators.

Abstract: The invention discloses novel N-(2-nitrophenyl)-2-aminopyrimidine derivatives of the general formula I ##STR1## wherein R.sub.1 and R.sub.2 are hydrogen, NO.sub.2 or CF.sub.3, with the proviso that only R.sub.1 or R.sub.2 can be NO.sub.2 ;R.sub.4 is hydrogen or the --C(O)R' group, in which R' is C.sub.1 -C.sub.4 alkyl which is unsubstituted or substituted by halogen, C.sub.1 -C.sub.3 alkoxy or C.sub.1 -C.sub.3 alkylthio;R.sub.5, R.sub.6 and R.sub.7 are each independently halogen, nitro, cyano, thiocyano, C.sub.1 -C.sub.12 alkyl, C.sub.3 -C.sub.8 cycloalkyl, C.sub.1 -C.sub.8 alkylthio, C.sub.1 -C.sub.6 alkylsulfonyl, C.sub.1 -C.sub.6 alkylsulfoxyl, C.sub.3 -C.sub.6 alkenyl, C.sub.3 -C.sub.6 haloalkenyl, C.sub.3 -C.sub.6 alkynyl, C.sub.3 -C.sub.6 haloalkynyl, C.sub.3 -C.sub.6 alkenyloxy, C.sub.3 -C.sub.6 haloalkenyloxy, C.sub.3 -C.sub.6 alkenylthio, C.sub.3 -C.sub.6 alkynyloxy, C.sub.3 -C.sub.6 haloalkynyloxy, C.sub.1 -C.sub.8 alkyl which is substituted by halogen, cyano and/or C.sub.1 -C.sub.

Abstract: The invention discloses novel N-(2-nitrophenyl)-2-aminopyrimidine derivatives of the general formula I ##STR1## wherein R.sub.1 and R.sub.2 are each independently NO.sub.2 or CF.sub.3, with the proviso that only R.sub.1 or R.sub.2 can be NO.sub.2R.sub.3 is halogen,R.sub.4 is hydrogen or the --C(O)R' group, in which R' is C.sub.1 -C.sub.4 alkyl which is unsubstituted or substituted by halogen, C.sub.1 -C.sub.3 alkoxy or C.sub.1 -C.sub.3 alkylthio,R.sub.5, R.sub.6 and R.sub.7 are each independently hydrogen, halogen, nitro, cyano, thiocyano, C.sub.1 -C.sub.12 alkyl, C.sub.3 -C.sub.8 cycloalkyl, C.sub.1 -C.sub.8 alkylthio, C.sub.1 -C.sub.6 alkylsulfonyl, C.sub.1 -C.sub.6 alkylsulfoxyl, C.sub.3 -C.sub.6 alkenyl, C.sub.3 -C.sub.6 haloalkenyl, C.sub.3 -C.sub.6 alkynyl, C.sub.3 -C.sub.6 haloalkynyl, C.sub.3 -C.sub.6 alkenyloxy, C.sub.3 -C.sub.6 -haloalkenyloxy, C.sub.3 -C.sub.6 alkenylthio, C.sub.3 -C.sub.6 alkynyloxy, C.sub.3 -C.sub.6 haloalkynyloxy, C.sub.1 -C.sub.

Abstract: There are described novel imidazolides (N-acylimidazoles) of the formula I ##STR1## wherein R.sub.1 is methyl, ethyl or isopropyl,R.sub.2, R.sub.3 and R.sub.4 independently of one another are each hydrogen, methyl, ethyl or isopropyl, with the proviso that R.sub.2 is hydrogen only when R.sub.1 is isopropyl,R.sub.5, R.sub.6 and R.sub.7 independently of one another are each hydrogen, methyl, ethyl or isopropyl, or phenyl which is unsubstituted or substituted by methyl or ethyl groups, with the proviso that at least one of the symbols R.sub.5, R.sub.6 and R.sub.7 is phenyl which is unsubstituted or substituted according to definition.The imidazolides (I) are suitable as curing agents for polyepoxide compounds.

Abstract: There are described novel imidazolides (N-acylimidazoles) of the formula I ##STR1## wherein R.sub.1 is methyl, ethyl or isopropyl,R.sub.2, R.sub.3 and R.sub.4 independently of one another are each hydrogen, methyl, ethyl or isopropyl, with the proviso that R.sub.2 is hydrogen only when R.sub.1 is isopropyl,R.sub.5, R.sub.6 and R.sub.7 independently of one another are each hydrogen, methyl, ethyl or isopropyl, or phenyl which is unsubstituted or substituted by methyl or ethyl groups, with the proviso that at least one of the symbols R.sub.5, R.sub.6 and R.sub.7 is phenyl which is unsubstituted or substituted according to definition.The imidazolides (I) are suitable as curing agents for polyepoxide compounds.

Abstract: N-substituted N-cyanocarboxylic acid amides are prepared by reacting 1 mol of an N-cyanocarboxylic acid amide salt with 1 mol of an alkyl halide or an alkylating agent, for example dimethyl sulfate or diethyl sulfate, in a polar aprotic solvent.The N-substituted N-cyanocarboxylic acid amides which can be obtained by the process according to the invention are useful curing agents for epoxide resins.

Abstract: A novel process for the preparation of isomelamines of the formula I, ##STR1## which is characterized in that an N-cyano-N-(ar or cyclo)alkylcarboxylic acid amide or N-cyano-N-allylcarboxylic acid amide of the formula II or III ##STR2## is reacted with aqueous sodium hydroxide solution, potassium hydroxide solution or ammonia solution or a primary aliphatic or cycloaliphatic amine in a solvent or with a primary aliphatic alcohol in the presence of a catalytic amount of a basic compound in a temperature range from -20.degree. C. to 200.degree. C., at least 3 hydroxyl or amino group equivalents being used per 3 carboxylic acid amide group equivalents.The isomelamines prepared by the process according to the invention are valuable curing agents for epoxide resins.