Process for the production of 5-methyltetrazole

US4791210A · kind A · utility

Assignee

• Dynamit Nobel GmbH · DE

Inventors

• Gunter Bison · Troisdorf, DE
• Johannes Schlupp · Bensberg, DE
• Josef Winterscheid · Sankt Augustin, DE
• Klaus Thewalt · Witten, DE

Key dates

• Filing date: Oct 13, 1987
• Grant date: Dec 13, 1988
• Expiry date: Oct 13, 2007

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D257/04
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

5-Methyltetrazole can be produced by reacting acetonitrile with an alkali azide or ammonium azide in high purity and a yield of above 98% by using a trialkyl amine as the solvent or suspension agent and by using the associated hydrochloride of the amine as the catalyst.