Cyclohexenone derivatives, their preparation and their use for controlling undesirable plant growth

US4880456A · kind A · utility

Assignee

• BASF SE

Inventors

• Dieter Kolassa · Ludwigshafen, DE
• Michael Keil · Freinsheim, DE
• Ulrich Schirmer · Heidelberg, DE
• Hans Theobald · Schifferstadt, DE
• Rainer Becker · Bad Dürkheim, DE
• Bruno Wuerzer · Otterstadt, DE
• Norbert Meyer · Langenburg, DE

Key dates

• Filing date: Mar 16, 1987
• Grant date: Nov 14, 1989
• Expiry date: Mar 16, 2007

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D261/08
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Cyclohexenone derivatives of the formula ##STR1## where R.sup.1 is alkyl, alkenyl, alkynyl, haloalkyl or haloalkenyl, alkoxyalkyl, unsubstituted or substituted cycloalkylmethyl, unsubstituted or substituted benzyl, or is a 5-membered heterocyclic ring which is bonded to the oxygen via a methylene unit, PA1 R.sup.2 is alkyl, R.sup.3 is hydrogen, alkylcarbonyl, alkenylcarbonyl, unsubstituted or substituted benzoyl, trialkylsilyl, alkyl- or arylsulfonyl, dialkylphosphono or -thiophosphono, or an organic or inorganic cation, PA1 R.sup.4 is unsubstituted or substituted alkyl, alkenyl or alkynyl, or unsubstituted or substituted cycloalkyl, and PA1 Y is hydrogen, methoxycarbonyl, cyano, alkyl or halogen, and herbicides containing these compounds.