Patent number: 4826867
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.
Type:
Grant
Filed:
August 25, 1987
Date of Patent:
May 2, 1989
Assignee:
Bayer Aktiengesellschaft
Inventors:
Uta Jensen-Korte, Reinhold Gehring, Otto Schallner, Jorg Stetter, Benedikt Becker, Wolfgang Behrenz, Wilhelm Stendel
Patent number: 4804675
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.
Type:
Grant
Filed:
April 30, 1986
Date of Patent:
February 14, 1989
Assignee:
Bayer Aktiengesellschaft
Inventors:
Uta Jensen-Korte, Reinhold Gehring, Otto Schallner, Jorg Stetter, Heinz-Jurgen Wroblowsky, Benedikt Becker, Bernhard Homeyer, Wolfgang Behrenz, Wilhelm Stendel, Peter Andrews