Process for the preparation of aromatic formamides

US8680333B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Axel Franzke · Goldkronach, DE
• Torsten Mattke · Ludwigshafen am Rhein, DE
• Julia Leschinski · Mannheim, DE
• Radwan Abdallah · Ludwigshafen, DE
• Michael Bock · Ruppertsberg, DE
• Robert Baumann · Mannheim, DE
• Eckhard Stroefer · Mannheim, DE

Key dates

• Filing date: Dec 1, 2010
• Grant date: Mar 25, 2014
• Expiry date: Feb 24, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C231/02
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to a process for the preparation of formamides by reacting aromatic amines with a formic acid ester in the presence of a catalyst, wherein the catalyst is a phosphorus-containing acid or a Lewis-acidic metal salt.