Substituted 3-phenylpyrazoles

US6197973A · kind A · utility

Assignee

• BASF SE

Inventors

• Cyrill Zagar · Ludwigshafen, DE
• Gerhard Hamprecht · Weinheim, DE
• Markus Menges · Bensheim, DE
• Olaf Menke · Altleiningen, DE
• Peter Schafer · Ottersheim, DE
• Karl-Otto Westphalen · Speyer, DE
• Ulf Misslitz · Neustadt, DE
• Helmut Walter · Obrigheim, DE

Key dates

• Filing date: Feb 1, 1999
• Grant date: Mar 6, 2001
• Expiry date: Feb 1, 2019

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D231/22
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

3-phenylpyrazoles of formula I ##STR1## wherein PA1 R.sup.1 is cyano, alkyl or haloalkyl; PA1 R.sup.2 is cyano or is optionally halogenated alkyl, alkoxy, alkylthio, alkylsulfinyl or alkylsulfonyl; PA1 R.sup.3 is hydrogen, cyano, halogen, alkyl or haloalkyl; PA1 R.sup.4 is hydrogen or halogen; PA1 R.sup.5 is cyano, halogen, or is optionally halogenated alkyl or alkoxy; PA1 R.sup.6, R.sup.7 independently of one another are optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, heterocyclyl or phenyl, optionally substituted alkylcarbonyl, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl or optionally halogenated alkylsulfonyl; PA1 X is a chemical bond, --C.tbd.C--, --CH.sub.2 --CH(R.sup.8)-- or --CH.dbd.C(R.sup.8)--, wherein R.sup.8 is hydrogen, cyano, nitro, halogen, alkyl or haloalkyl; PA1 Y is oxygen or sulfur; their preparation and their use for controlling undesirable vegetation.