Salicylaldehyde derivatives and salicyclic acid derivatives and their sulfur analogs and their use as herbicides

US5085686A · kind A · utility

Assignee

• BASF SE

Inventors

• Uwe Josef Vogelbacher · Ludwigshafen, DE
• Karl Eicken · Monsheim, DE
• Joachim Rheinheimer · Ludwigshafen, DE
• Norbert Goetz
• Albrecht Harreus · Ludwigshafen, DE
• Gerhard Paul · Ludwigshafen, DE
• Karl-Otto Westphalen · Speyer, DE
• Bruno Wuerzer · Otterstadt, DE

Key dates

• Filing date: Jun 13, 1990
• Grant date: Feb 4, 1992
• Expiry date: Jun 13, 2010

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D417/12
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Salicylaldehyde derivatives and salicyclic acid derivatives of the formula I ##STR1## where A is an unsubstituted or substituted phenyl radical, an unsubstituted or substituted 5-membered heteroaromatic radical having from 2 to 4 nitrogen atoms or two nitrogen atoms and additionally one sulfur or oxygen atom or an unsubstituted or substituted thienyl, pyridyl, naphthyl, quinolyl, indazolyl or benzotriazolyl radical, X is oxygen or sulfur, and the radicals R.sup.1 and R.sup.4 have the means given in the specification, processes and intermediates for their production, and their use as herbicides and bioregulators.