Process for the preparation of urethanes

US4236016A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Hans-Joachim Scholl · Cologne, DE
• Armin Zenner · Dormagen, DE

Key dates

• Filing date: Feb 21, 1979
• Grant date: Nov 25, 1980
• Expiry date: Feb 21, 1999

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C269/00
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The instant invention relates to an improved process for the preparation of urethanes by the reaction of aromatic nitro compounds with alcohols and carbon monoxide in the presence of catalyst systems which contain selenium.