1,4-DIFENYL-3-PYRAZOLIN-5-ONER MED HERBICID VERKAN

1,4-Diphenyl-3-pyrazolin-5-ones of the formula I in which R represents C1-C3-alkyl and R and R independently of one another denote hydrogen, chlorine, fluorine, bromine, methyl or trifluoromethyl, with the proviso that the substituents R and R do not simultaneously represent hydrogen and that the su...

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Bibliographische Detailangaben
Hauptverfasser:	J R BECK, R P GAJEWSKI
Format:	Patent
Sprache:	swe
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CHEMISTRY FISHING FORESTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HUNTING METALLURGY ORGANIC CHEMISTRY PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF TRAPPING
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Beschreibung
Zusammenfassung:	1,4-Diphenyl-3-pyrazolin-5-ones of the formula I in which R represents C1-C3-alkyl and R and R independently of one another denote hydrogen, chlorine, fluorine, bromine, methyl or trifluoromethyl, with the proviso that the substituents R and R do not simultaneously represent hydrogen and that the substituent R furthermore does not denote bromine or chlorine in the 4-position, are obtained by reacting a suitable 3-pyrazolin-5-one with an alkylating agent. These compounds which have been prepared according to the invention are used as herbicidal active substances.