Method for the production of defined mixtures of THF, BDO and GBL by gas phase hydrogenation

US7442810B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Markus Roesch · Dienheim, DE
• Rolf Pinkos · Bad Dürkheim, DE
• Michael Hesse · Westlake Village, US
• Stephan Schlitter · Schifferstadt, DE
• Henrik Junicke · Mannheim, DE
• Olga Schubert · Ludwigshafen, DE
• Alexander Weck · Freinsheim, DE
• Gunther Windecker · Ludwigshafen, DE

Key dates

• Filing date: Dec 4, 2004
• Grant date: Oct 28, 2008
• Expiry date: Feb 26, 2025

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D307/08
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for variably preparing mixtures of optionally alkyl-substituted BDO, GBL and THF by two-stage hydrogenation in the gas phase of C4 dicarboxylic acids and/or derivatives thereof, which comprises