Preparation of hydroxymethylimidazoles

US4698434A · kind A · utility

Assignee

• BASF SE

Inventors

• Fritz Graf · Speyer, DE
• Leopold Hupfer · Friedelsheim, DE

Key dates

• Filing date: Sep 15, 1986
• Grant date: Oct 6, 1987
• Expiry date: Sep 15, 2006

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D233/64
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Imidazoles which carry a hydroxymethyl radical on a carbon atom of the imidazole ring are prepared by treating a 1-hydroxymethylimidazole, which is unsubstituted in one or more of the positions 2, 4 and 5 of the imidazole ring, with an anion exchanger.