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: Substituted azoyl-ketones and -alcohols of the formula ##STR1## in which A is a nitrogen atom or the CH group,B is CO or CH(OH),R.sup.1 is alkyl, alkenyl, alkinyl, optionally substituted phenylalkyl, optionally substituted cycloalkyl or optionally substituted cycloalkylalkyl,R.sup.2 is optionally substituted cycloalkyl or the grouping --C(CH.sub.3).sub.2 R.sup.3, andR.sup.3 is alkyl having more than 2 carbon atoms, alkenyl, alkinyl or the --CH.dbd.O group or a derivative thereof,or addition products thereof with acids or metal salts, exhibit plant growth regulating and fungicidal properties, several intermediates therefor are new.

Abstract: Herbicidal compositions comprising ##STR1## and as a synergist an amide of the formula ##STR2## in which R is halogenoalkyl.

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 herbicidally active 1-amino-1,3,5-triazone-2,4 (1H,3H)-dione of the formula ##STR1## comprising in a first stage at a temperature from about 0.degree. to 100.degree. C. reacting an isocyanate of the formulaR.sup.1 - NCO (II)with an isothio semicarbazone of the tautomeric formulas ##STR2## in which R.sup.3 and R.sup.4 each independently is hydrogen, alkyl, cycloalkyl, aralkyl o alkyl, cycloalkyl, aralkyl or aryl,thereby to form a urea derivative of the tautomeric formulas ##STR3## in a second stage at a temperature between about -50.degree. and 0.degree. C. reacting the urea derivative with phosgene (COCl.sub.

Abstract: Novel N-Diazolylalkyl-haloacetanilides of the formula ##STR1## wherein A is oxygen, sulphur or the grouping <NR,wherein R is hydrogen or alkyl,R.sup.1 is hydrogen, alkyl or alkoxy,R.sup.2 is hydrogen, alkyl, alkoxy or halogen,R.sup.3 is hydrogen, alkyl, alkoxy or halogen,R.sup.4 is hydrogen or alkyl,X is hydrogen, alkyl, halogen, alkoxy, alkylthio, haloalkyl, alkenyl, alkynyl, alkoxycarbonyl, dialkylamino, cyano, phenyl, substituted phenyl, phenoxy, substituted phenoxy, phenylthio or substituted phenylthio, andZ is halogen,and in which the diazolyl radical is bonded via a carbon atom, and acid addition salts and metal salt complexes thereof.

Abstract: Process for the preparation of pyrazole from hydrazine hydrate and acrolein comprising reacting hydrazine hydrate with acrolein in an aqueous-organic medium at a temperature between 20.degree.-80.degree. C. and then oxidizing the 2-pyrazoline formed, of the formula ##STR1## either directly or after first being isolated, with chlorine or an alkali metal hypochlorite or an alkaline earth metal hypochlorite and water or an aqueous-organic medium at a temperature between 0.degree. and 60.degree. C.

Abstract: Process for the preparation of pyrazole by heating a pyrazoline derivative of the general formula ##STR1## in which R represents an optionally substituted phenyl radical, or an alkyl or halogenoalkyl radical, without the addition of an acid or base, at a temperature between 100.degree. and 200.degree. C. under a pressure between 1 mbar and 10 bars, optionally in the presence of a diluent.

Abstract: Novel N-Diazolylalkyl-haloacetanilides of the formula ##STR1## wherein A is oxygen, sulphur or the grouping >NR,whereinR is hydrogen or alkyl,R.sup.1 is hydrogen, alkyl or alkoxy,R.sup.2 is hydrogen, alkyl, alkoxy or halogen,R.sup.3 is hydrogen, alkyl, alkoxy or halogen,R.sup.4 is hydrogen or alkyl,X is hydrogen, alkyl, halogen, alkoxy, alkylthio, haloalkyl, alkenyl, alkynyl, alkoxycarbonyl, dialkylamino, cyano, phenyl, substituted phenyl, phenoxy, substituted phenoxy, phenylthio or substituted phenylthio, andZ is halogen,and in which the diazolyl radical is bonded via a carbon atom, and acid addition salts and metal salt complexes thereof.

Abstract: Novel N-(2,5-diazolyl)-alkyl-halogenoacetanilides of the general formmula ##STR1## in which A represents oxygen, sulphur or the grouping >NR,whereinR represents alkyl,R.sup.1 represents hydrogen, alkyl or alkoxy,R.sup.2 represents hydrogen, alkyl, alkoxy or halogen,R.sup.3 represents hydrogen, alkyl, alkoxy or halogen,R.sup.4 represents hydrogen or alkyl,R.sup.5 represents hydrogen, alkyl, alkoxy, alkylthio, dialkylamino, halogen, cyano or alkoxycarbonyl andZ represents halogen, and acid addition salts and metal salt complexes thereof are outstandingly effective as herbicides.Furthermore novel N-(2,5-diazolyl)-alkyl-anilines of the general formula ##STR2## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and A have the above-mentioned meaning.

Abstract: Synergistic arthropodicidal compositions comprising a carbamate, carboxylic acid ester or phosphate ester and an .alpha.-substituted-3,4-methylenedioxyphenylacetonitrile of the formula ##STR1## in which R represents hydrogen, alkyl, alkenyl, halogen or nitro,R.sup.1 represents alkyl or hydrogen, andR.sup.2 represents aralkyl, alkyl, alkenyl or cycloalkyl or may represent hydrogen, provided that R represents alkyl, alkenyl or nitro, orR.sup.1 and R.sup.2 together represent an alkylene radical.

Abstract: Synergistic arthropodicidal compositions comprising a carbamate, carboxylic acid ester or phosphate ester and an .alpha.-substituted-3,4-methylenedioxyphenylacetonitrile of the formula ##STR1## in which R represents hydrogen, alkyl, alkenyl, halogen or nitro,R.sup.1 represents alkyl or hydrogen, andR.sup.2 represents aralkyl, alkyl, alkenyl or cycloalkyl or may represent hydrogen, provided that R represents alkyl, alkenyl or nitro, orR.sup.1 and R.sup.2 together represent an alkylene radical.