Process for preparing aromatic aldehydes

US4588844A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Ernst Kysela · Bensberg, DE
• Erich Klauke

Key dates

• Filing date: Feb 1, 1984
• Grant date: May 13, 1986
• Expiry date: Feb 1, 2004

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C47/575
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Aromatic aldehydes are prepared by formylating the corresponding aromatic compounds with urotropine in the presence of hydrogen fluoride. By the described process certain new aromatic aldehydes can be prepared.