Isoxazolecarboxylic acid derivatives

US5374605A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Werner Hallenbach · Nordhorn, DE
• Hans-Joachim Santel · Leverkusen, DE
• Klaus Lurssen · Wittlich, DE
• Robert R. Schmidt · Cologne, DE

Key dates

• Filing date: Jan 8, 1993
• Grant date: Dec 20, 1994
• Expiry date: Jan 8, 2013

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D261/18
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to isoxazolecarboxylic acid derivatives of the general formula (I) ##STR1## in which A represents alkanediyl, Q represents oxygen, sulphur, imino (NH) or alkylimino (N-alkyl), R.sup.1 represents an in each case optionally substituted radical from the series comprising alkyl, cycloalkyl or phenyl, R.sup.2 represents hydrogen, halogen or optionally substituted alkyl, and R.sup.3 represents in each case optionally substituted cyclohexyl or phenyl, with the exception of the compounds: N-benzyl-5-cyclopropyl-isoxazole-3-carboxamide N-(2-phenyl-ethyl)-5-methyl-isoxazole-3-carboxamide and N-benzyl-5-methyl-isoxazole-3-carboxamide, a process for their preparation, and their use as herbicides.