Mixtures of optically active cyclohexenone oxime ethers, their preparation, intermediates for this purpose and their use as herbicides

US5618775A · kind A · utility

Assignee

• BASF SE

Inventors

• Ulf Misslitz · Neustadt, DE
• Norbert Meyer · Langenburg, DE
• Juergen Kast · Haßloch, DE
• Wolfgang Ladner
• Helmut Walter · Obrigheim, DE
• Karl-Otto Westphalen · Speyer, DE
• Uwe Kardorff · Mannheim, DE
• Matthias Gerber · Schifferstadt, DE

Key dates

• Filing date: Aug 11, 1994
• Grant date: Apr 8, 1997
• Expiry date: Aug 11, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C2601/16
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Mixtures of optically active cyclohexenone oxime ethers having R- and S-configuration in the oxime ether moiety of the formula I ##STR1## (R.sup.1 =C.sub.1 -C.sub.6 -alkyl; ##STR2## X=C.sub.1-C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl; m=0-3 or 1-4 where all X's are halogen; n=0-3 or 1-5 where all X's are halogen; R.sup.2 =C.sub.1 -C.sub.4 -alkoxy-C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.4 -alkylthio-C.sub.1 -C.sub.6 -alkyl, substituted or unsubstituted C.sub.3 -C.sub.7 -cycloalkyl, substituted or unsubstituted C.sub.5 -C.sub.7 -cycloalkenyl, substituted or unsubstituted 5-membered saturated heterocyclic structure, substituted or unsubstituted 6- or 7-membered heterocyclic structure, substituted or unsubstituted 5-membered heteroaromatic structure, substituted or unsubstituted phenyl or pyridyl) and their agriculturally useful salts and esters with C.sub.1 -C.sub.10 -carboxylic acids and inorganic acids.