Process for preparing alkali metal alkoxides

US7847133B2 · kind B2 · utility

Assignee

• EVONIK DEGUSSA GMBH · DE

Inventors

• Johannes Ruwwe · Niederkassel, DE
• Kai-Martin Krüger · Essen, DE
• Udo Knippenberg · Marl, DE
• Volker Brehme · Nottuln, DE
• Manfred Neumann · Marl, DE

Key dates

• Filing date: May 27, 2008
• Grant date: Dec 7, 2010
• Expiry date: Jun 2, 2029

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C29/70
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to a process for preparing an alcoholic solution of an alkali metal alkoxide from alkali metal hydroxide and alcohol in a reaction column, the alcohol and the alkali metal hydroxide being conducted in countercurrent, which is characterized in that a reflux ratio of at least 0.05 is established in the reaction column.