Abstract: A 1-arylpyrazole of the formula (I) ##STR1## in which R.sup.1 stands for hydrogen or nitro,R.sup.2 stands for hydrogen, for a radical ##STR2## or a radical --S(O).sub.n --R.sup.5, R.sup.3 stands for alkyl, for a radical ##STR3## or for a radical --S(O).sub.n --R.sup.5, and, in addition, in the case where R.sup.2 stands for a radical --SO.sub.2 --R.sup.5, R.sup.3 alternatively stands for an inorganic or organic cation bonded in the manner of a salt,whereR.sup.4 stands for hydrogen, alkyl, alkenyl, alkinyl, monohalogenoalkyl, alkoxyalkyl, halogenoalkoxyalkyl, alkylthioalkyl, alkoxy, alkylthio, alkylsulphonylalkyl, alkylsulphinylalkyl, alkylamino, dialkylamino, optionally substituted cycloalkyl, optionally substituted aryl, optionally substituted aryloxy, optionally substituted arylthio, or for optionally substituted arylamino,X stands for oxygen or sulphur,R.sup.

Abstract: The invention relates to the use of partly known substituted pyrazolin-5-one derivatives of the formula (I) ##STR1## as herbicides and fungicides, new substituted pyrazolin-5-one derivatives and processes for their preparation.

Abstract: 5-Dichloracetamido-4-nitro-1-aryl-pyrazoles of the formula ##STR1## in which R.sup.1 represents hydrogen, fluorine, chlorine or bromine,R.sup.2 represents hydrogen, fluorine or chlorine,R.sup.3 represents halogen, halogenoalkyl, halogenoalkoxy, halogenoalkythio or halogenoalkylsulphonyl,R.sup.4 represents hydrogen, fluorine, or chlorine, andR.sup.5 represents fluorine, chlorine or bromine, but in the case in which R.sup.1 and R.sup.5 simultaneously represent chlorine and in addition R.sup.2 and R.sup.4 simultaneously represent hydrogen, R.sup.3 does not represent chlorine or trifluoromethyl,exhibit herbicidal and plant growth-regulating properties. Novel intermediates therefor are also shown.

Abstract: A 5-aminopyrazole of the formula ##STR1## in which R.sup.1 represents alkoxycarbonyl, alkenyloxycarbonyl or alkinyloxycarbonyl, andR.sup.3, R.sup.4, R.sup.5, R.sup.6, and R.sup.7, which are identical or different, represent hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkylsulphonyl, alkoxycarbonyl or a radical --(X)n--R.sup.8whereinX represents oxygen, sulphur, sulphinyl or sulphyonyl,n represents 0 or 1 andR.sup.8 represents halogenoalkyl, with the proviso that at least one of the radicals R.sup.3, R.sup.4, R.sup.5, R.sup.6 or R.sup.7 represents a radical --(X).sub.n --R.sup.8, and R.sup.1 does not represent cyano if R.sup.1 represents trifluoromethyl,These compounds are intermediates useful in the preparation of herbicidally active substituted 5-acylamino-1-phenylpyrazoles.

Abstract: Herbicidal 1-arylpyrazoles of the formula ##STR1## in which R.sup.1 represents hydrogen or nitro,R.sup.2 represents hydrogen or alkyl,R.sup.3 and R.sup.4 independently of one another each represent alkyl, halogenoalkyl or optionally substituted aryl,Ar represents optionally substituted phenyl or optionally substituted pyridyl,x represents a number 0 or 1 andy represents a number 0 or 1.

Abstract: Pest-combating agents, especially as insecticides, which are 1-arylpyrazoles of the formula ##STR1## in which R.sup.1 represents hydrogen, alkyl or halogenoalkyl,R.sup.2 represents alkyl, halogenoalkyl, optionally substituted aralkyl or optionally substituted aryl,R.sup.3 represents hydrogen, alkyl or halogenoalkyl,R.sup.4 represents alkyl, alkenyl, alkinyl, halogenoalkyl, halogenoalkenyl, halogenoalkinyl or in each case optionally substituted aryl or heteroaryl,X represents oxygen, sulphur or an N-alkyl radical,Ar represents in each case optionally substituted phenyl or pyridyl,m represents a number 0 or 1 andn represents a number 0, 1 or 2,have been found.

Abstract: Insecticidally and acaricidally active novel 1-aryl-3-tert.-butyl-pyrazoles of the formula ##STR1## in which R.sup.1 represents nitro or halogen,R.sup.2 represents halogen or the --NR.sup.3 R.sup.4 group, and also may represent hydrogen when R.sup.1 denotes halogen,whereR.sup.3 represents hydrogen, in each case optionally substituted alkyl, alkenyl or alkinyl, and in each case optionally substituted cycloalkyl or cycloalkylalkyl andR.sup.4, independently of R.sup.3, represents the same radicals as R.sup.3l , and, in addition, a ##STR2## radical, where X represents oxygen or sulphur andR.sup.5 represents hydrogen, alkyl, alkenyl, alkinyl, halogenoalkyl, alkoxyalkyl, alkylthioalkyl, optionally substituted cycloalkyl, optionally substituted aryl, alkoxy, alkylthio, optionally substituted aryloxy, optionally substituted arylthio, alkylamino, dialkylamino or optionally substituted arylamino; andAr represents optionally substituted phenyl, apart from dinitrophenyl, or optionally substituted pyridyl.

Abstract: 1-Aryl-pyrazole of the formula ##STR1## in which R.sup.1 represents hydrogen, alkyl or halogenoalkyl,R.sup.2 represents alkyl, halogenoalkyl or in each case optionally substituted aralkyl or aryl,R.sup.3 represents hydrogen or halogen,Ar represents optionally substituted phenyl or pyridyl, andn represents the number 0, 1 or 2,the 1-aryl-pyrazole being useful in agents for combating pests.

Abstract: Herbicidal and plant growth-regulating novel 5-acylamino-pyrazoles of the formula ##STR1## in which R.sup.1 represents hydrogen, halogen or nitro,R.sup.2 represents hydrogen, alkyl, alkenyl, alkinyl or optionally substituted cycloalkyl,Ar represents in each case optionally substituted phenyl or pyridyl,X represents oxygen or sulphur,A represents a straight-chain or branched optionally substituted alkylene bridge,n represents the numbers 0 or 1 andY represents cyano or the grouping ##STR2## wherein X.sup.1 represents oxygen or sulphur andR.sup.3 represents hydroxyl, alkoxy, alkenyloxy, alkynyloxy, alkylthio, amino, alkylamino, dialkylamino, alkenylamino, dialkenylamino, alkyl-alkenylamino or a --OM radical,whereinM represents one equivalent of the cation of an inorganic or organic base.Intermediates therefor of the formula ##STR3## are also new.

Abstract: Herbicidal and plant growth-regulating compounds of the formula ##STR1## in which R.sup.1 represents hydrogen or nitro,R.sup.2 represents hydrogen, alkyl or a radical ##STR2## A.sup.1 and A.sup.2 independently of each other each represent a divalent alkylene radical,Y represents halogen, hydroxyl, optionally substituted alkoxy, optionally substituted aryloxy or a radical ##STR3## R.sup.3 represents hydrogen, alkyl, alkoxy, amino, alkylamino, dialkylamino or in each case optionally substituted aryl, aryloxy or arylamino,Ar represents in each case optionally substituted phenyl or pyridyl andn represents a number 1, 2, 3 or 4.

Abstract: Novel 1-aryl-4-nitro-pyrazoles which exhibit herbicidal and plant growth-regulating activity of the formula ##STR1## in which R.sup.1 represents in each case optionally substituted alkyl, alkenyl, alkinyl or cycloalkyl andR.sup.2 represents hydrogen, or represents in each case optionally substituted alkyl, alkenyl, alkinyl or cycloalkyl, or represents a radical ##STR2## or R.sup.1 and R.sup.2, together with the nitrogen atom to which they are bonded, represent a saturated heterocyclic radical, which can optionally contain further hetero atoms, andAr represents in each case optionally substituted phenyl or pyridyl,whereinX represents oxygen or sulphur andR.sup.

Abstract: Novel 5-fluoroacylamino-4-nitro-1-aryl-pyrazoles of the formula ##STR1## in which R represents alkyl which is substituted by fluorine andAr represents in each case optionally substituted phenyl or pyridyl,exhibit herbicidal and plant growth-regulating activity. The nitro-free corresponding intermediates are also novel.

Abstract: A 5-sulphonamido-1-aryl-pyrazole of the formula (I) ##STR1## in which R.sup.1 represents hydrogen, nitro, nitroso or halogen,R.sup.2 represents hydrogen, alkyl or a radical R.sup.3 --SO.sub.2 --, or an inorganic or organic cation bonded in the form of a salt,R.sup.3 represents alkyl, alkenyl, cycloalkyl, halogeno-alkyl, hydroxyalkyl, alkoxyalkyl or unsubstituted or substituted aryl,R.sup.4 and R.sup.6 independently of one another represent cyano, nitro, halogen, alkyl, alkoxy, alkoxycarbonyl, halogenoalkyl, halogenoalkoxy or a radical --(O).sub.n --R.sup.9 andR.sup.5, R.sup.7 and R.sup.8 independently of one another and of R.sup.4 and R.sup.6 represent the same radicals as R.sup.4 and R.sup.6, and additionally represent hydrogen,whereinR.sup.9 represents alkyl, halogenoalkyl, amino, alkyl-amino or dialkylamino andn represents the number 0, 1 or 2.Such 5-sulphonamido-1-aryl-pyrazole being useful as a herbicide.

Abstract: A method of combating insects, sense animals and nematodes comprising applying to insects, arachnids and nematodes and/or their environment an effective amount of at least one 5-aminopyrazole of the formula (I) ##STR1## in which R.sup.1 represents hydrogen, alkyl or halogenoalkyl,R.sup.2 represents alkyl, halogenoalkyl, unsubstituted or substituted aralkyl or unsubstituted or substituted aryl,R.sup.3 represents hydrogen, alkyl or a radical ##STR2## Ar represents unsubstituted or substituted phenyl or unsubstituted or substituted pyridyl andn represents the number 0, 1 or 2,whereinX represents oxygen or sulphur andR.sup.4 represents hydrogen, alkyl, alkenyl, alkinyl, halogenoalkyl, alkoxyalkyl, alkylthioalkyl, unsubstituted or substituted cycloalkyl, unsubstituted or substituted aryl, alkoxy, alkylthio, unsubstituted or substituted aryloxy, unsubstituted or substituted arylthio, alkylamino, dialkylamino or unsubstituted or substituted arylamino.

Abstract: Herbicidally active novel 1-phenyl-4-cyano-5-halogenopyrazoles of the formula ##STR1## in which R is hydrogen or alkyl,Hal is halogen, andAr is phenyl substituted at least once by a radical other than halogen.Intermediates of the formulas ##STR2## are also new.

Abstract: Pesticidally active 5-heterocyclyl-1-aryl-pyrazoles of the formula ##STR1## in which R.sup.1 represents hydrogen, alkyl or haloalkyl,R.sup.2 represents alkyl, alkenyl, alkinyl, cycloalkyl, haloalkyl, haloalkenyl, optionally substituted aralkyl or optionally substituted aryl,Ar represents in each case optionally substituted phenyl or pyridyl,Het represents a heterocycle of the formula ##STR2## n represents a number 0, 1 or 2, whereR.sup.3 and R.sup.4, independently of one another, represent in each case hydrogen, alkyl or phenyl.Intermediates of the formulas ##STR3## are provided, the former also being pesticidal.

Abstract: Herbicidal 5-acylamino-pyrazole derivatives of the formula ##STR1## in which R.sup.1 represents hydrogen, halogen or nitro,R.sup.2 represents hydrogen, alkyl, alkenyl, alkinyl or optionally substituted cycloalkyl,R.sup.3 represents hydrogen or alkyl, or represents optionally substituted cycloalkyl, or represents optionally substituted aryl,Ar represents in each case optionally substituted phenyl or pyridyl,X.sup.1 represents oxygen or sulphur,A represents a straight-chain or branched optionally substituted alkylene bridge,n represents the number 0 to 1 andX.sup.2 represents oxygen, or represents a radical .dbd.N--O--R.sup.4, or represents a radical ##STR2## wherein R.sup.4 represents hydrogen, alkyl, alkenyl, alkinyl, halogenoalkyl, halogenoalkenyl, alkoxyalkyl or alkylthioalkyl, or represents optionally substituted aralkyl, or represents optionally substituted aryl,R.sup.5 represents hydrogen or alkyl andR.sup.

Abstract: A 5-aminopyrazole of the formula ##STR1## in which R.sup.1 represents alkoxycarbonyl, alkenyloxycarbonyl, alkinyloxycarbonyl, alkenylaminocarbonyl or alkinylaminocarbonyl andR.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7, which are identical or different, represent hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkylsulphonyl, alkoxycarbonyl or a radical --(X)n--R.sup.8whereinX represents oxygen, sulphur, sulphinyl or sulphonyl,n represents 0 or 1 andR.sup.8 represents halogenoalkyl, with the proviso that at least one of the radicals R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 represents a radical --(X).sub.n --R.sup.8, but R.sup.1 does not represent cyano if R.sup.1 represents trifluoromethyl.These compounds are intermediates useful in the preparation of herbicidally active substituted 5-acylamino-1-phenylpyrazoles.

Abstract: Herbicidal and plant growth regulating 5-amino-1-phenyl-pyrazoles of the formula ##STR1## in which R.sup.1 to R.sup.4 each represents hydrogen or various organic radicals,X represents oxygen or sulphur,n represents the number 0, 1 or 2, andm represents the number 1, 2 or 3,but wherein, in the case where R.sup.1 and R.sup.3 represent hydrogen and R.sup.2 represents nitro, R.sup.4 does not simultaneously represent a propionyl radical.

Abstract: Herbicidally active novel 5-amino-1-pyridyl-pyrazoles of the formula ##STR1## in which R.sup.1 represents hydrogen or represents alkyl with 1 to 12 carbon atoms,R.sup.2 represents hydrogen, nitro, nitroso or halogen, or represents a radical ##STR2## wherein R.sup.5 represents hydrogen, hydroxyl, alkyl, alkenyl, alkinyl, halogenoalkyl, alkoxyalkyl or alkylthioalkyl, or represents optionally substituted cycloalkyl, or represents optionally substituted aryl, or represents alkoxy or alkylthio, or represents optionally substituted aryloxy, or represents optionally substituted arylthio, or represents alkylamino or dialkylamino, or represents optionally substituted arylamino,R.sup.3 represents hydrogen, or represents a radical ##STR3## or represents a radical --S(O).sub.n --R.sup.7, R.sup.4 represents hydrogen, or represents alkyl, or represents a radical ##STR4## or represents a radical --S(O).sub.n --R.sup.7, and, in the case where R.sup.3 represents an --SO.sub.2 --R.sup.