Cyclohexenone derivatives and their use as herbicides

US5034047A · kind A · utility

Assignee

• BASF SE

Inventors

• Dieter Kolassa · Ludwigshafen, DE
• Juergen Kast · Haßloch, DE
• Thomas Kuekenhoehner · Bischofswerda, DE
• Norbert Meyer · Langenburg, DE
• Karl-Otto Westphalen · Speyer, DE
• Bruno Wuerzer · Otterstadt, DE

Key dates

• Filing date: Aug 24, 1990
• Grant date: Jul 23, 1991
• Expiry date: Aug 24, 2010

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D413/04
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Cyclohexenone derivatives of the general formula I ##STR1## where the substituents have the following meanings: R.sup.1 : substituted or unsubstituted C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -alkenyl or C.sub.3 -C.sub.6 -alkynyl, phenyl, benzyl or thenyl; PA1 R.sup.2 : substituted or unsubstituted C.sub.1 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkynyl or phenyl; PA1 R.sup.3 : hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.10 -alkylcarbonyl, C.sub.1 -C.sub.6 -alkylsulfonyl, C.sub.1 -C.sub.4 -trialkylsilyl, C.sub.1 -C.sub.4 -dialkylphosphonyl, C.sub.1 -C.sub.4 -dialkylthiophosphonyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkenylcarbonyl, C.sub.3 -C.sub.6 -alkynyl or substituted or unsubstituted benzoyl- or phenylsulfonyl; PA1 R.sup.4 : hydrogen, cyano, halogen, C.sub.1 -C.sub.6 -alkyl or C.sub.1 -C.sub.6 -alkoxycarbonyl; PA1 A: a substituted or unsubstituted C.sub.1 -C.sub.4 -alkylene chain in which a methylene group may be replaced by an oxygen or sulfur atom; PA1 m: 0 or 1; PA1 B: a 5-membered mono- or diunsaturated heterocycle containing up to 2 nitrogen atoms and/or up to one oxygen or sulfur atom; substituted or unsubstituted C.sub.1 -C.sub.6…