Abstract: The present invention relates to novel imidamide derivatives of the formula (I) in which R, R1, R2 and R3 are each as defined in the description, to a process for their preparation and to their use for controlling animal pests, such as insects, arachnids and, in particular, nematodes.

Abstract: The invention relates to novel substituted heteroaryloxyacetanilides of the general formula (I), in which n, R, X, and Z are to intermediates for their preparation and to their use as herbicides.

Abstract: The invention relates to a process for preparing ar(alk)yluracils of the general formula (I) in which A represents a single bond or represents alkanedlyl, Ar represents optionally substituted aryl, R1 represents optionally substituted alkyl and R2 represents hydrogen, halogen or alkyl, and to novel intermediates for this purpose and to processes for their preparation.

Abstract: The present invention relates to a novel process for preparing 3-(1-hydroxyphenyl-1-alkoximinomethyl)dioxazines which are known as intermediates for preparing compounds having fungicidal properties (WO 95-04728). Furthermore, the invention relates to novel 3-(1-hydroxyphenyl-1-alkoximinomethyl)dioxazines, to novel intermediates for their preparation and to a plurality of processes for preparing the novel intermediates.

Abstract: The present invention relates to a novel process for preparing 3-(1-hydroxyphenyl-1-alkoximinomethyl)dioxazines which are known as intermediates for preparing compounds having fungicidal properties (WO 95-04728). Furthermore, the invention relates to novel 3-(1-hydroxyphenyl-1-alkoximinomethyl)dioxazines, to novel intermediates for their preparation and to a plurality of processes for preparing the novel intermediates.

Abstract: The invention relates to a process for preparing ar(alk)yluracils of the general formula (I) 1

Abstract: The present invention relates to a novel process for preparing 3-(1-hydroxyphenyl-1-alkoximinomethyl)dioxazines which are known as intermediates for preparing compounds having fungicidal properties (WO 95-04728). Furthermore, the invention relates to novel 3-(1-hydroxyphenyl-1-alkoximinomethyl)dioxazines, to novel intermediates for their preparation and to a plurality of processes for preparing the novel intermediates.

Abstract: The invention relates to a process for preparing ar(alk)yluracils of the general formula (I) in which A represents a single bond or represents alkanediyl, Ar represents optionally substituted aryl, R1 represents optionally substituted alkyl and R2 represents hydrogen, halogen or alkyl, and to novel intermediates for this purpose and to processes for their preparation.

Abstract: The invention relates to an improved method for preparing optionally substituted benzofuran-3-ones which can be used as initial products for preparing 3-(1-hydroxyphenyl-1-alkoximinomethyl) dioxazines. These later are known starting materials for preparing compounds with fungicidal properties.

Abstract: The present invention relates to a novel process for preparing 3-(1-hydroxyphenyl-1-alkoximinomethyl)dioxazines which are known as intermediates for preparing compounds having fungicidal properties (WO 95-04728). Furthermore, the invention relates to novel 3-(1-hydroxyphenyl-1-alkoximinomethyl)dioxazines, to novel intermediates for their preparation and to a plurality of processes for preparing the novel intermediates.

Abstract: The present invention relates to a novel process for preparing 3-(1-hydroxyphenyl-1-alkoximinomethyl)dioxazines which are known as intermediates for preparing compounds having fungicidal properties (WO 95-04728). Furthermore, the invention relates to novel 3-(1-hydroxyphenyl-1-alkoximinomethyl)dioxazines, to novel intermediates for their preparation and to a plurality of processes for preparing the novel intermediates.

Abstract: By a novel process, 3,5-dimethylisoxazole-4-sulphonyl chloride is prepared by reacting 3,5-dimethylisoxazole initially with chlorosulphonic acid and then additionally with thionyl chloride at a temperature between 60.degree. C. and 110.degree. C.

Abstract: Preparation of an N-alkyl-arylamine of the formula ##STR1## in which Ar represents an aryl radical which is optionally monosubstituted or polysubstituted by at least one of halogen and in each case optionally substituted alkyl, alkoxy or alkoxycarbonyl,R.sup.1 represents hydrogen or alkyl andR.sup.2 represents in each case optionally substituted alkyl or aryl, or, together with R.sup.1, represents alkanediyl,by reacting a nitroarene of the formulaAr--NO.sub.2 (II)with a carbonyl compound of the formulaR.sup.1 --CO--R.sup.2 (III)in the presence of hydrogen and in the presence of a catalyst at a temperature between 0.degree. C. and 200.degree. C.

Abstract: The present invention relates to a novel process for preparing N-methyl-N'-nitroguanidine by reacting nitroguanidine with aqueous methylamine solution at 0.degree. to 40.degree. C.

Abstract: A new process for the preparation of a known 1,3-dimethyl-5-fluoro-pyrazole-4-carboxanilide of the formula ##STR1## in which Ar represents optionally substituted phenyl,which process comprisesa) reacting in a first stage, 1,3-dimethyl-5-chloro-pyrazole-4-carbonyl chloride with a fluoride, if appropriate in the presence of a diluent, andb) reacting in a second stage, the 1,3-dimethyl-5-fluoro-pyrazole-4-carbonyl fluoride obtained in this reaction with an aniline of the formulaH.sub.2 N--Arin whichAr has the abovementioned meaning,if appropriate in the presence of an acid acceptor and if appropriate in the presence of a diluent.1,3-Dimethyl-5-fluoro-pyrazole-4-carbonyl fluoride as a new compound.

Abstract: A new process for the preparation of a known 1,3-dimethyl-5-fluoro-pyrazole-4-carboxanilide of the formula ##STR1## in which Ar represents optionally substituted phenyl,which process comprisesa) reacting in a first stage, 1,3-dimethyl-5-chloro-pyrazole-4-carbonyl chloride with a fluoride, if appropriate in the presence of a diluent, andb) reacting in a second stage, the 1,3-dimethyl-5-fluoro-pyrazole-4-carbonyl fluoride obtained in this reaction with an aniline of the formulaH.sub.2 N--Arin whichAr has the abovementioned meaning,if appropriate in the presence of an acid acceptor and if appropriate in the presence of a diluent.1,3-Dimethyl-5-fluoro-pyrazole-4-carbonyl fluoride as a new compound.

Abstract: The invention relates to a novel process for the preparation of 1,2,4-triazine-3,5-diones by decarboxylation of corresponding 6-carboxy-1,2,4-triazine-3,5-diones, characterized in that it is carried out in aprotic organic solvents.

Abstract: A process for the preparation of 4-amino-1,2,4-triazol-5-one of the formula ##STR1## in which R represents unsubstituted or substituted alkyl, alkenyl, cycloalkenyl, cycloalkyl, aralkyl, aryl or heterocyclyl,which comprises reacting a carbodihydrazide of the formula ##STR2## with a nitrile of the formulaR--C.tbd.N (III)The carbodihydrazide of the formula (II) may be produced in a preliminary stage by reacting a carbonic acid derivative with hydrazine or hydrazine hydrate.

Abstract: A process for the preparation of 4-amino-1,2,4-triazol-5-one of the formula ##STR1## in which p0 R represents unsubstituted or substituted alkyl, alkenyl, cycloalkenyl, cycloalkyl, aralkyl, aryl or heterocyclyl,which comprises reacting a carbodihydrazide of the formula ##STR2## with a nitrile of the formulaR--C.tbd.N (II)The carbodihydrazide of the formula (II) may be produced in a preliminary stage by reacting a carbonic acid derivative with hydrazine or hydrazine hydrate.

Abstract: O-Alkyl-S-[1,6-dihydro-6-oxo-pyridazin(1)ylmethyl]-(thiono)-(di)-thiolphosp horic(phosphonic) acid esters of the formula ##STR1## in which R.sub.1 is alkyl or alkoxyalkyl with 1 to 6 carbon atoms per alkyl chain,R.sub.2 is alkyl, alkylmercapto, alkylamino or alkenylamino with up to 6 carbon atoms per aliphatic chain, amino or phenyl, andR.sub.3 is alkoxy, cyanoalkoxy, carbalkoxy-alkoxy, alkenyloxy, alkynyloxy, alkanoyloxy, dialkylcarbamoyloxy or alkylsulfonyloxy with up to 5 carbon atoms in each aliphatic chain, halogen, hydroxyl, or a (thiono) (thiol)-phosphoric(phosphonic) acid ester or esteramide radical,R.sub.4 and R.sub.5 each independently is hydrogen, alkyl with 1 to 3 carbon atoms or halogen, or R.sub.4 and R.sub.5 conjointly form a fused benzene ring, andX is oxygen or sulfur,Which possess insecticidal, acaricidal and nematocidal properties.