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

US5185027A · 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: Nov 7, 1991
• Grant date: Feb 9, 1993
• Expiry date: Nov 7, 2011

Classification

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

Abstract

Salicylaldehyde derivatives and salicylic 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 to R.sup.4 have the meanings given in the specification, processes and intermediates for their production, and their use as herbicides and bioregulators.