Process for the preparation of 1,3-dimethylimidazolium 4-carboxylate

US6175019A · kind A · utility

Assignee

• BASF SE

Inventors

• Jakob Fischer · Haag in Oberbayern, DE
• Wolfgang Siegel · Schifferstadt, DE
• Volker Bomm · Neunkirchen, DE
• Martin Fischer · Ludwigshafen, DE
• Klaus Mundinger · Schifferstadt, DE

Key dates

• Filing date: Aug 11, 1999
• Grant date: Jan 16, 2001
• Expiry date: Aug 11, 2019

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D233/90
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

1,3-Dimethylimidazolium 4-carboxylate is prepared by reacting 1-methylimidazole with dimethyl carbonate optionally in the presence of a solvent in accordance with the following reaction scheme: ##STR1##