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.

Abstract: The invention relates to a new process for the preparation of 5-hydroxy-3,4,5,6-tetrahydro-pyrimidine derivatives of the general formula (I) ##STR1## in which R represents optionally substituted alkyl,which is characterized in that amidines of the general formula (II), ##STR2## in which R has the abovementioned meaning,are reacted with epichlorohydrin of the formula (III) ##STR3## if appropriate in the presence of a diluent at temperatures between 0.degree. C. and 150.degree. C.

Abstract: A process for the preparation of a sulphonylisourea of the formula ##STR1## in which R.sup.1 is an optionally substituted radical selected from the group consisting of alkyl, aralkyl, aryl and heteroaryl,R.sup.2 is alkyl or aralkyl,R.sup.3 is hydrogen, halogen or in each case optionally substituted alkyl or alkoxy,R.sup.4 is hydrogen, halogen or in each case optionally substituted alkyl or alkoxy andZ is nitrogen or a CH grouping,which comprises reacting an isourea of the formula ##STR2## with a sulphonyl halide of the formulaR.sup.1 --SO.sub.2 --X (III)in whichX is halogen,in the presence of an acid acceptor at a temperature between about -20.degree. C. and +50.degree. C. Some of the compounds II are new.

Abstract: In the preparation of 2-chloro-5-methyl-pyridine of the formula ##STR1## by reacting 3-methyl-pyridine-1-oxide of the formula ##STR2## with a chlorinating agent, the improvement which comprises effecting the reaction in the presence of a chlorinating agent of the formula ##STR3## in which A represents oxygen or the grouping ##STR4## in which R.sup.2 and R.sup.3 individually represent alkyl, cycloalkyl or aryl or together represent alkanediyl or oxaalkanediyl andR.sup.1 represents hydrogen, chlorine, alkyl, cycloalkyl, aryl or the grouping ##STR5## in which R.sup.2 and R.sup.3 have the abovementioned meanings,and where, if R.sup.1 represents aryl, A must represent the grouping ##STR6## in the presence of a basic organic nitrogen compound and in the presence of a diluent at a temperature between about -20.degree. C. and +120.degree. C. The product is known to be useful in the systhesis of pharmaceuticals and insecticides.

Abstract: Novel hydroxyalkinyl-azolyl derivatives of the formula ##STR1## in which Ar represents optionally substituted aryl,R represents alkyl, optionally substituted aryl or optionally substituted aralkyl,X.sup.1 represents halogen,X.sup.2 represents hydrogen or halogen,X.sup.3 represents hydrogen or halogen,X.sup.4 represents hydrogen or halogen andn represents 0 or 1,and acid addition salts and metal salt complexes thereof, are outstandingly effective as fungicides.

Abstract: A process for the preparation of a compound of the formula ##STR1## in which R is hydrogen, alkoxy, alkylamino, dialkylamino or an optionally substituted radical from the group consisting of alkyl, cycloalkyl, aralkyl and aryl,R.sup.1 is an optionally substituted radical from the group consisting of alkyl, alkoxy, alkylthio, mono- or dialkylamino and phenyl,R.sup.2 is optionally substituted alkyl, andY is oxygen or sulphur,comprising(a1) reacting a compound of the formula ##STR2## with ##STR3## or withR.sup.5 COOHin whichR.sup.5 is R except for hydrogen, or equivalent, to produce ##STR4## oxidizing that compound or its salt to ##STR5## and phosphorylating. Several of the intermediates are new.

Abstract: A process for preparing a compound of the formula ##STR1## in which Y is halogen, alkyl or cycloalkyl optionally substituted by halogen or C.sub.1-4 -alkoxy, alkenyl optionally substituted by halogen, aryl, heteroaryl or alkoxycarbonyl,X is hydrogen, halogen or optionally halogen-substituted alkyl, orX and Y, together with the adjacent C atom, form a saturated cycloalkphatic ring having up to 6 C atoms, andR is hydrogen or C.sub.1 -C.sub.4 -alkyl, comprising reacting an aldehyde of the formula ##STR2## with 2-methylbutan-3-one of the formula ##STR3## in the presence of a hydrohalic acid thereby to form a 4,4-dimethyl-3-halogeno-1-hexen-5-one of the formula ##STR4## in which Hal is halogen, halogenating said compound to produce a compound of the formula ##STR5## and reacting said compound with a base of the formulaR--OM (VI)in whichM is one equivalent of an alkali or alkaline earth metal ion.Compounds IV and V are new. By suitable conditions the trans isomer is selectively produced.

Abstract: A process for the preparation of trans-2,2-di-methyl-3-(2,2-dichlorovinyl)-cyclopropanecarboxylic acid of the formula (I) ##STR1## comprising reacting a chloroketone of the formula (II) ##STR2## in which Z represents chlorine or bromine,with an aqueous solution of an alkali metal hydroxide.

Abstract: Hydroxybenzaldoxime O-ethers of the formula ##STR1## in which R.sup.1 represents alkyl,are obtained by a process in which a tert.-butoxy-benzaldoxime of the formula ##STR2## is reacted with alkylating agents of the formulaR.sup.1 --Xin whichR.sup.1 has the abovementioned meaning andX represents halogen or OSO.sub.2 OR.sup.1,whereinR.sup.1 again has the abovementioned meaning,in the presence of a strong base and phase transfer catalyst and in the presence of a diluent at temperatures between 0.degree. C. and 50.degree. C., and the products are then treated with anhydrous acid at temperatures between 0.degree. C. and 50.degree. C.,Hydroxybenzaldoxime O-ethers can be used as intermediate products for the synthesis of compounds with a fungicidal, insecticidal and antimycotic activity. The tert.-butoxy-benzalodoxime starting material is a new compound.

Abstract: New 2-hydroxyethyl-azole derivatives of the formula ##STR1## in which R represents optionally substituted phenyl,X represents hydrogen or halogen andY represents hydrogen or halogen, and acid addition salts and metal salt complexes thereof,as well as the use of the novel compounds as fungicides and plant growth regulants.New intermediates for the synthesis of the novel 2-hydroxyethyl-azole derivatives.

Abstract: 3-(2-chloro-2-(4-chloro-phenyl)-vinyl)2,2-dimethylcyclopropanecarboxylic acid and its derivatives are obtained by reactive 3-chloro-3(4-chlorophenyl)-propenal with chloromethyl isopropyl ketone in a first step and reacting the resulting 4,4-dimethyl-1,3,6-trichloro-1-(4-chlorophenyl)- hex-1-en-5-one, optionally without isolation, in the presence of aqueous bases or in the presence of alkoxides. The resulting carboxylic acids or carboxylic acid esters can be converted into their derivatives such as, for example, salts, esters, amides or halides by generally known methods.

Abstract: A process for the preparation of a hydroxybenzaldoxime O-ether of the formula ##STR1## in which R.sup.1 represents alkyl, comprising(a) in a first step, hydrogenating a nitro-benzaldoxime O-ether of the formula ##STR2## using the calculated amount of hydrogen in the presence of a catalyst and in the presence of a diluent, and(b) in a second step, reacting the amino-benzaldoxime O-ether of the formula ##STR3## thus obtained with a diazotizing agent in acidic, aqueous solution, and, without isolation, thermally hydrolyzing the resultant diazonium salt of the formula ##STR4## in which X.crclbar. represents an equivalent of an inorganic anion, in acidic, aqueous solution.

Abstract: A process for the preparation of a hydroxybenzaldoxime O-ether of the formula ##STR1## in which R.sup.1 is alkyl, alkenyl or alkinyl, comprising reacting an aminobenzaldoxime O-ether of the formula ##STR2## in which R.sup.1 has the abovementioned meaning, with a diazotizing agent in acidic, aqueous solution, and thermally hydrolyzing the resulting diazonium salt of the formula ##STR3## in which X.crclbar. in an equivalent of an inorganic anion andR.sup.1 has the abovementioned meaning,in acidic, aqueous solution without intermediate isolation.The products are intermediates for agricultural and pharmaceutical chemicals.Novel amino-benzaldoxime O-ethers of the formula ##STR4## wherein R.sup.1 has the above-mentioned meaning.

Abstract: Hydroxyalkynyl-azolyl derivatives of the formula ##STR1## in which Az is 1,2,4-triazolyl or imidazolyl,X is optionally substituted phenyl or alkyl,R is ##STR2## R.sup.1 is hydrogen or halogen, R.sup.2 is halogen,R.sup.3 is alkylthio, halogenoalkoxy, halogenoalkylthio, alkenyl, alkoxycarbonyl or cyano, or in each case optionally substituted phenyl, phenoxy, phenylthio, phenylalkoxy or phenylalkylthio,n is 0, 1 or 2,m is 0 or 1, andHet is optionally substituted dioxolanyl or dioxanyl,or an addition product thereof with acids or metal salts, which exhibit fungicidal activity.

Abstract: A process for the preparation of a dimeric aromatic acyl cyanide of the formula ##STR1## in which Ar is optionally substituted phenyl, naphthyl or hetaryl,comprising reaction an acyl halide of the formulaAr--CO--Halin whichHal is fluorine, chlorine or bromine, with an alkali metal cyanide in a two-phase system comprising water and a water-immiscible or only sparingly water-miscible aliphatic ketone, and in the presence of a phase-transfer catalyst. The products are known intermediates for pesticides.

Abstract: A process for the preparation of a hydroxybenzaldoxime O-ether of the formula ##STR1## in which R.sup.1 is alkyl, alkenyl or alkinyl,comprising reacting an aminobenzaldoxime O-ether of the formula ##STR2## in which R.sup.1 has the abovementioned meaning,with a diazotizing agent in acidic, aqueous solution, and thermally hydrolyzing the resulting diazonium salt of the formula ##STR3## in which X.crclbar. in an equivalent of an inorganic anion andR.sup.1 has the abovementioned meaning,in acidic, aqueous solution without intermediate isolation.The products are intermediates for agricultural and pharmaceutical chemicals.Novel amino-benzaldoxime O-ethers of the formula ##STR4## wherein R.sup.1 has the above-mentioned meaning.

Abstract: The known .beta.-hydroxyethyl-(1,2,4-triazole) derivatives of the formula ##STR1## in which R.sup.1 represents alkyl, halogenoalkyl, alkenyl, alkinyl, optionally substituted cycloalkyl, optionally substituted cycloalkenyl, optionally substituted aryl, optionally substituted aralkyl, optionally substituted aralkenyl or an optionally substituted heterocyclic radical andR.sup.2 represents hydrogen, alkyl, halogenoalkyl, alkenyl, alkinyl, optionally substituted cycloalkyl, optionally substituted cycloalkenyl, optionally substituted aryl, optionally substituted aralkyl, optionally substituted aralkenyl or an optionally substituted heterocyclic radical,are prepared by a new process, which comprises stirring a .beta.-hydroxyethyl-(1,3,4-triazole) derivative of the formula ##STR2## in which R.sup.1 and R.sup.2 have the abovementional meanings, in the presence of a base and in the presence of an aprotic, dipolar diluent.

Abstract: Pesticidally active compounds of the formula ##STR1## in which R.sup.1 is an organic radical,R.sup.2 is hydrogen, trialkylsilyl, a hydrocarbon or acyl radical, andR.sup.3 and R.sup.4 independently are an amino, hydroxyl, hydroximino, alkoxy or like radical.Most of the compounds are new, as are various intermediates therefor.

Abstract: A process for the preparation of a methyl ketone of the formula ##STR1## in which R.sup.1 is alkyl, alkenyl, alkinyl, optionally substituted aryl or optionally substituted heteroaryl,R.sup.2 is alkyl,R.sup.3 is alkyl orR.sup.2 and R.sup.3, together with the carbon atom to which they are bonded, from a cycloalkyl ring,comprising reacting a methyl sec.-alkyl ketone of the formula ##STR2## with a halide of the formulaR.sup.1 --CH.sub.2 --Xin whichX is halogen,in the presence of a base, a diluent, and a phase-transfer catalyst.

Abstract: A process for the preparation of 2,2-dimethyl-3-arylcyclopropanecarboxylic acid or ester of the formula ##STR1## in which Ar is naphthyl or the radical ##STR2## R.sup.1 is H or C.sub.1 -C.sub.4 -alkyl, Z is oxygen, sulphur, or 1,2-ethenediyl, andR.sup.2 represents hydrogen, halogen, cyano, nitro or trialkylsilyl or a radical, which is optionally substituted by halogen, from the series comprising alkyl, cycloalkyl, alkenyl, alkoxy, alkylenedioxy, alkylthio, alkylsulphinyl, alkylsulphonyl, dialkylamino, phenyl and phenoxy,comprising reacting a 1-aryl-1-halogeno-2,2-dimethyl-3-butanone of the formula ##STR3## in which X.sup.1 is chlorine or bromine, with a base in the presence of a diluent at a temperature between about -20.degree. and +150.degree. C., thereby to form a 2,2-dimethyl-3-arylcyclobutanone of the formula ##STR4## and reacting such 2,2-dimethyl-3-arylcyclobutanone with chlorine or bromine in the presence of an inert diluent at a temperature between about -30.degree. and +50.degree. C.