Oxaspirocyclic spiro-substituted tetramic acid and tetronic acid derivatives

US8859466B2 · kind B2 · utility

Assignee

• BAYER CROPSCIENCE AKTIENGESELLSCHAFT · DE

Inventors

• Thomas Bretschneider · Lohmar, DE
• Reiner Fischer · Monheim, DE
• Gudrun Lange · Kelkheim, DE
• Stefan Lehr · Leverkusen, DE
• Christian Arnold · Langenfeld, DE
• Dieter Feucht · Eschborn, DE
• Eva-Maria Franken · Leichlingen, DE
• Martin Jeffrey Hills · Idstein, DE
• Heinz Kehne · Hofheim, DE
• Olga Malsam · Sankt Goarshausen, DE
• Christopher Hugh Rosinger · Hofheim, DE
• Jan Dittgen · Frankfurt, DE
• Ulrich Görgens · Ratingen, DE
• Isolde Häuser-Hahn · Leverkusen, DE

Key dates

• Filing date: Jul 22, 2008
• Grant date: Oct 14, 2014
• Expiry date: Feb 4, 2032

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D491/10
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to novel oxaspirocyclic spirophenyl-substituted tetramic acid and tetronic acid derivatives of the formula (I)in which The invention furthermore relates to increasing the activity of crop protection compositions comprising compounds of the formula (I) by addition of ammonium salts or phosphonium salts and, if appropriate, penetrants.