O-substituted 3-oxypridinium salts, their preparation and their use as fungicides for crop protection

US4678504A · kind A · utility

Assignee

• BASF SE

Inventors

• Guenter Schulz · Ludwigshafen, DE
• Eberhard Ammermann · Heppenheim, DE
• Ernst-Heinrich Pommer · Schifferstadt, DE

Key dates

• Filing date: Jun 25, 1986
• Grant date: Jul 7, 1987
• Expiry date: Jun 25, 2006

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D213/65
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

O-substituted 3-oxypyridinium salts of the formula ##STR1## where R.sup.1 is unsubstituted alkyl, alkenyl or alkynyl, or is aralkyl, R.sup.3 is hydrogen, alkyl, alkenyl or alkoxy, R.sup.2 is substituted or unsubstituted alkyl, alkenyl or alkynyl, or is aralkyl, and X.sup..crclbar. is an anion, and fungicides for crop protection containing these compounds.