Abstract: The invention relates to a novel process for the preparation of aliphatic imines of the general formula (I): ##STR1## in which R.sup.1 is alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkylalkyl, arylalkyl or heteroarylalkyl, each of which is optionally substituted, andR.sup.2 is optionally substituted alkyl andcharacterized in thatamines of the general formula (II):R.sup.1 --NH.sub.2 (II)in whichR.sup.1 is as defined above,are reacted with aldehydes of the general formula (III): ##STR2## in which R.sup.2 is as defined above,in the presence of a practically water-immiscible organic solvent, at temperatures between -30.degree. C. and +50.degree. C.

Abstract: New benzothiophenecarboxamide S-oxides of the formula (I) ##STR1## in which R.sup.1 represents optionally substituted alkyl, or represents alkenyl or alkinyl, or represents in each case optionally substituted cycloalkyl or cycloalkylalkyl, or represents in each case optionally substituted aralkyl, aralkenyl, aralkinyl or aryl andR.sup.2 represents hydrogen or optionally substituted alkyl, orR.sup.1 and R.sup.2 together with the nitrogen atom to which they are bonded represent an optionally substituted heterocycle,R.sup.3, R.sup.4, R.sup.5 and R.sup.6 independently of one another in each case represent hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy or halogenoalkylthio, andR.sup.1 represents hydrogen or halogen,a process for their preparation, and their use as microbicides in plant protection and in the protection of materials.New intermediates for the preparation of substances of the formula (I).

Abstract: The invention provides novel N-acyloxyalkyl-carboxamides of the general formula (I): ##STR1## in which R.sup.1 is alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkylalkyl, arylalkyl or heteroarylalkyl, each of which is optionally substituted,R.sup.2 is optionally substituted alkyl andR.sup.3 is hydrogen, halogen or optionally substituted alkyl,in the isolated and pure form, and a process for their preparation.

Abstract: The invention relates to a new process for the preparation of substituted aminotriazolinones of the general formula (I) ##STR1## in which R has the meanings mentioned in the description.

Abstract: The present invention relates to new chloropyridinium chlorides of the general formula (I) ##STR1## in which R.sup.1 represents in each case optionally substituted alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkylalkyl, arylalkyl or heteroarylalkyl,R.sup.2 represents optionally substituted alkyl, andR.sup.3 represents hydrogen, halogen or optionally substituted alkyl,to a process for their preparation and to their use for the preparation of chloropyridines.

Abstract: A mixture of 2,4-dichloro-5-fluorotoluene and 2,6-dichloro-3-fluorotoluene which cannot be separated in an economically efficient manner and can be reacted individually to give the corresponding benzonitriles is subjected according to the invention to ammoxidation in the form of this mixture and then separated at the stage of the benzonitriles by methods known to the person skilled in the art.

Abstract: The present invention relates to a process for the preparation of 5-substituted 2-chloropyridines of the formula (I) ##STR1## by reaction of acetenamides of the formula (II) ##STR2## with Vilsmeier reagent, which is prepared by reaction of dialkylformamides of the formula (III) ##STR3## with a chlorinating agent, the excess of which is removed from the reaction mixture by distillation or by addition of dialkylformamide after completion of the reaction of the Vilsmeier reagent with the acetenamide of the formula (II), wherein in the formulae (I)-(III):R represents optionally substituted alkyl or aralkyl,R.sup.1 represents C.sub.1 -C.sub.4 -alkyl or aryl-C.sub.1 -C.sub.4 -alkyl,R.sup.2 and R.sup.3 represent straight-chain, branched or cyclic C.sub.4 -C.sub.8 -alkyl.

Abstract: The invention relates to the use of the compound N-(4-fluoro-phenyl)-N-isopropylchloroacetamide of the formula (I) ##STR1## which is known, as active compound in selective herbicidal compositions, for example for combating weeds in maize cultures, and to a new process for the preparation of this active compound.The compound (I) is obtained in very high yields by reacting N-isopropyl-4-fluoro-aniline with approximately equimolar amounts of chloroacetyl chloride at temperatures between 20.degree. and 150.degree. C. in the presence of an inert diluent, such as, for example, toluene, without addition of an acid binder.

Abstract: The invention relates to a new process for the preparation of chloromethylpyridines of the general formula (I) ##STR1## in which X.sup.1 represents hydrogen, halogen or alkyl,characterized in that pyridine derivatives of the general formula (II) ##STR2## in which R.sup.1 and X.sup.1 have the meaning given in the description,are reacted by means of a formamide derivative of the general formula (III) ##STR3## in which R.sup.2 and R.sup.3 are identical or different and represent alkyl or cycloalkyl or together represent alkanediyl,and with a chlorinating agent, if appropriate in the presence of a diluent, at temperatures between 20.degree. and 120.degree. C. The invention furthermore relates to new pyridine derivatives of the formula (II) and their preparation.

Abstract: The Application describes a new process for the preparation of alkylcarboxylic acid 4-hydroxyanilides by reaction of aminophenols with carboxylic acid derivatives in organic solvents without the addition of a base reacts.

Abstract: The invention relates to a process for the preparation of pyrazoles of the formula (I) ##STR1## in which R represents hydrogen, alkyl, unsubstituted or substituted cycloalkyl, unsubstituted or substituted aryl or unsubstitited or substituted arylalkyl,by reaction of propenylideneammonium chloride derivatives of the formula (II) ##STR2## with hydrazines of the formula (III)H.sub.2 N--NH--R (III).

Abstract: The invention relates to a novel process for the preparation of 2-amino-2-arylethanols of the formula (I) ##STR1## in which Ar represents aryl or hetaryl each unsubstituted or identically or differently monosubstituted to pentasubstituted, where as substituents there may be mentioned:halogen, alkyl, halogenoalkyl, alkoxy, halogenoalkoxy, unsubstituted substituted cycloalkyloxy or unsubstituted or substituted phenyl,which comprises catalytically hydrogenating .alpha.-hydroxyketoximes of the formula (II) ##STR2## in which Ar has the meaning given above,using Raney nickel or Raney cobalt in the presence of a diluent and in the presence of a base andnovel 2-amino-2-arylethanols and novel .alpha.-hydroxyketoximes.

Abstract: The invention provides novel N-acyloxyalkyl-carboxamides of the general formula (I): ##STR1## in which R.sup.1 is alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkylalkyl, arylalkyl or heteroarylalkyl, each of which is optionally substituted,R.sup.2 is optionally substituted alkyl andR.sup.3 is hydrogen, halogen or optionally substituted alkyl,in the isolated and pure form, and a process for their preparation.

Abstract: X is an acid radical, andA is a metal ion or an equivalent ammonium ion.

Abstract: A process for the preparation of a chloropyridine of the formula ##STR1## which comprises reacting an enamide of the formula ##STR2## with a chlorinating agent in the presence of a di-substituted formamide ##STR3## in which R.sup.4 and R.sup.5 each individually is alkyl or cycloalkyl or together are alkanediyl, at a temperature between about -30.degree. C. and 100.degree. C., thereby to produce a compound of the formula ##STR4## and subjecting said compound to thermal cleavage. Compounds I are novel. Compounds IV are known intermediates for agrochemicals and pharmaceuticals.

Abstract: The invention relates to the new furazanylureas of the general formula (I) ##STR1## in which R.sup.1 represents hydrogen or fluorine,R.sup.2 represents hydrogen, fluorine or chlorine,R.sup.3 represents hydrogen, fluorine or chlorine andR.sup.4 represents phenyl which is substituted by trifluoromethyl and additionally monosubstituted to tetrasubstituted by fluorine and/or chlorine, and,in the event that R.sup.1 represents fluorine and/or R.sup.2 and/or R.sup.3 represent fluorine or chlorine, R.sup.4 furthermore also represents difluoromethyl, trifluoromethyl, chlorodifluoromethyl, trifluoroethyl, tetrafluoroethyl, chlorotrifluoroethyl, hexafluoropropyl, hexafluoropropenyl or trifluoromethylphenyl,which can be used as pesticides.

Abstract: The present invention relates to a new process for the preparation of N-(2-chloro-pyridin-5-yl-methyl)-ethylenediamine.The process is characterised in that 6-chloronicotinaldehyde is reacted with 1,2-ethylenediamine and a reducing agent at temperatures between -30.degree. C. and +50.degree. C.The reducing agents employed are preferably metal hydride complexes and, in particular, sodium borohydride.N-(2-Chloro-pyridin-5-yl-methyl)-ethylenediamine, which is to be prepared by the process according to the invention, can be used as intermediate for the preparation of insecticides.

Abstract: A new process for the preparation of 5-substituted 2-chloropyridines of the general formula (I) ##STR1## is provided, in which R represents alkyl or arylalkyl, each of which is optionally substituted by halogen.The new process is characterised in that acetenamides of the general formula (II) ##STR2## in which R has the abovementioned meaning, andR.sup.1 represents alkyl or arylalkyl, each of which is optionally substituted by halogen,are reacted with a chlorinating agent in the presence of dimethylformamide and optionally in the presence of a diluent at temperatures between -30.degree. C. and +150.degree. C.The compounds (I) prepared according to the invention may be used inter alia as intermediates for the preparation of highly efficient insecticides.

Abstract: A process for the preparation of 3-substituted 4-cyanopyrrole compounds of the formula (I) ##STR1## 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.dbd.CH--CN (III)and in a 2nd stage with a phenylsulphonylmethyl isocyanide (IV)Ph--SO.sub.2 --CH.sub.2 --CN (IV)in the presence of a solvent and optionally in the presence of a suitable reaction auxiliary, characterised in that 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: Herbicidal substituted sulphonylamidinohydrazones of the formula ##STR1## in which R.sup.1 represents in each case optionally substituted aryl, aralkyl or heteroaryl,R.sup.2 represents hydrogen, or represents in each case optionally substituted alkyl, aryl or aralkyl,R.sup.3 represents hydrogen, or represents in each case optionally substituted alkyl, alkenyl, alkadienyl, alkinyl, (hetero)aryl, aralkyl, aralkenyl, alkoxy, alkoxycarbonyl or dialkylamino, or together with R.sup.2 represents optionally substituted alkanediyl,R.sup.4 represents hydrogen, halogen, hydroxyl, alkyl, halogenoalkyl, alkoxyalkyl, alkoxy, halogenoalkoxy, alkylthio, halogenoalkylthio, amino, alkylamino or dialkylamino,X represents nitrogen or a --CH group,Y represents nitrogen or a --CR.sup.5 group whereR.sup.5 represents hydrogen, halogen, cyano, alkyl, formyl, alkyl-carbonyl or alkoxy-carbonyl, andZ represents nitrogen or a --CR.sup.6 group whereR.sup.