Abstract: The invention relates to a process for preparing N-(5-amino-2-cyano-4-fluoro-phenyl)-sulphonamides in which, in a first step, 2-amino-4,5-difluoro-benzonitrile is reacted with sulphonyl halides in the presence of an acid acceptor and in the presence of a diluent at temperatures between 0° C. and 150° C. and, in a second step, the N-(2-cyano-4,5-difluoro-phenyl)-sulphon-amides and/or N-(2-cyano-4,5-difluoro-phenyl)-sulphonamides obtained in the first step are as pure substances or as mixtures with ammonia in the presence of a diluent reacted at a temperature between 100° C. and 200° C. The invention furthermore relates to novel intermediates of the process.

Abstract: The invention relates to novel fluoromethoximino compounds, to a process for their preparation and to their use as pesticides, and also to novel intermediates and to a plurality of processes for their preparation.

Abstract: According to a novel process, it is possible to prepare triazolinethione derivatives of the formula in which R1 and R2 are each as defined in the description by a) reacting hydrazine derivatives of the formula  with carbonyl compounds of the formula  in which R3 and R4 are each as defined in the description  with potassium thiocyanate, sodium thiocyanate or ammonium thiocyanate,  if appropriate in the presence of a diluent and if appropriate in the presence of an acid, and b) reacting the resulting triazolidinethione derivatives of the formula  with formic acid, if appropriate in the presence of a catalyst and if appropriate in the presence of a diluent. The triazolidinethione derivatives of the formula (V) are novel.

Abstract: According to a novel process, it is possible to prepare triazolinethione derivatives of the formula in which R1 and R2 are each as defined in the description by a) reacting hydrazine derivatives of the formula or their acid addition salts with an inorganic or organic acid with thiocyanate of the formula Y—SCN  (III) in which Y represents sodium, potassium or ammonium in the presence of a diluent and, if appropriate, in the presence of a catalyst and b) reacting the resulting thiosemicarbazide derivatives of the formula with formic acid, if appropriate in the presence of a catalyst and if appropriate in the presence of a diluent. The thiosemicarbazide derivatives of the formula (IV) are novel.

Abstract: The invention relates to a novel process for preparing substituted cyanophenyluracils of the general formula (I) in which R1, R2, R3 and R4 are each as defined in the description, said compounds being known as herbicidally active compounds, to novel substituted N-(cyanophenyl)aminoalkenamides as intermediates therefor and to an inventive process for their preparation.

Abstract: The invention relates to a novel process for preparing 4,6-dichloro-5-fluoropyrimidine.

Abstract: The invention relates to novel substituted thiazolines of the formula (I) in which Ar1 and Ar2 each represent independently of one another optionally substituted phenyl, processes for their preparation, and their use for controlling animal pests.

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 a process for preparing N-(3-amino-4-fluoro-phenyl)-sulphonamides, N-(3-amino-4-fluoro-phenyl)-carboxamides or N-(3-amino-4-fluoro-phenyl)-carbamates of the general formula (I) in which A represents SO2, CO or CO2 and R represents in each case optionally substituted alkyl or aryl, wherein 1-fluoro-2,4-diamino-benzene of the formula (II) is reacted with sulphonyl chlorides, carbonyl chlorides or chlororformic esters of the general formula (III)  in which A and R are as defined above in the presence of an acid acceptor and in the presence of a diluent at temperatures between −20° C. and +100° C.

Abstract: The present application relates to a process for preparing compounds of the formula (I) in which R1, A, X and Z are each as defined in the description by reacting compounds of the formula (II) in which A and X are each as defined in the description with compounds of the formula (III) in which Z, R1 and M1 are each as defined in the description.

Abstract: A process for the preparation of 3-substituted 4-cyano-pyrrole compounds of the formula (I) in which Ar has the meaning given in the description, by reaction in a 1st stage of bromides (II) Ar—Br  (II) with acrylonitrile in the presence of a solvent and a suitable reaction auxiliary to give acrylonitrile derivatives (III) Ar—CH═CH—CN  (III) and in a 2nd stage with a phenylsulphonylmethyl isocyanide (IV) Ph—SO2—CH2—CN  (IV) in the presence of a solvent and optionally in the presence of a suitable reaction auxiliary, characterised in that the the 1st stage is carried out in the presence of a palladium catalyst and the 2nd stage in the presence of a 1.2- to 1.8-fold molar excess of alkali metal alcoholate or alkali metal hydroxide.

Abstract: New pesticidal substituted biphenytoxazolines of the formula (I) in which A, B, X, m and n have the meanings stated in the description, and new intermediates therefor.

Abstract: The invention relates to a novel process for preparing substituted cyanophenyluracils of the general formula (I) in which R1, R2, R3 and R4 are each as defined in the description, said compounds being known as herbicidally active compounds, to novel substituted N-(cyanophenyl)aminoalkenamides as intermediates therefor and to an inventive process for their preparation.

Abstract: The present invention relates to a novel process for preparing pyridylmethyl isothiocyanates of the formula (I) ##STR1## in which R.sup.1 represents halogen or C.sub.1 -C.sub.4 -alkyl, characterized in that in a first step, amines of the formula (II) ##STR2## in which R.sup.1 is as defined above, are reacted with xanthogenates of the formula (III)R.sup.2 O--CS--S.sup..crclbar. M.sup..sym. (III)in whichR.sup.2 represents C.sub.1 -C.sub.4 -alkyl, preferably methyl or ethyl andM represents an alkali metal, preferably sodium and potassium or represents ammonium,if appropriate in the presence of a diluent, and in a second step, the resulting novel dithiocarbamates of the formula (IV) ##STR3## in which R.sup.1 and M are each as defined above, are oxidized, if appropriate in the presence of a diluent, to give the isothiocyanates of the formula (I).

Abstract: The present invention relates to the preparation of 5-aminomethyl-2-chloropyridines by reacting a mixture of 5-chloromethyl-2-chloropyridine and 5-dichloromethyl-2-chloropyridine with substituted amines. The mixture of 5-chloromethyl-2-chloropyridine and 5-dichloromethyl-2-chloropyridine is obtained by chlorination of 5-methyl-2-chloropyridine.

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

Abstract: By a novel process, trifluoroacetoacet-anilides of the formula ##STR1## in which R.sup.1 is as defined in the description, can be prepared by reacting trifluoroacetoacetyl chloride with anilines of the formula ##STR2## if appropriate in the presence of an acid binder and if appropriate in the presence of a diluent.The compounds of the formula (I) are suitable intermediates for preparing herbicidally active uracil derivatives.

Abstract: The application describes a process for preparing 4-hydroxyanilines by the reaction of phenols with diazonium salts and subsequent reduction.

Abstract: The invention relates to a process for preparing substituted arylpyrazoles of the general formula (I) ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and R .sup.4 are each as defined in the description, and to novel intermediates for preparing these arylpyrazoles.

Abstract: The invention relates to a novel process for the preparation of N-alkyl-N'-nitroguanidines of the formula (I) ##STR1## in which R is C.sub.1 -C.sub.6 -alkyl,by neutralizing alkylamine with nitric acid, then reacting it with cyanamide, and dehydrating the alkylguanidine nitrate formed.