Method for producing a homogeneous catalyst for the Tishchenko reaction

US11643383B2 · kind B2 · utility

Assignee

• Evonik Operations GmbH · DE

Inventors

• Alexander Lygin · Griesheim, DE
• Steffen Krill · Mühltal, DE
• Matthias Grömping · Darmstadt, DE
• Andreas Tepperis · Bad König, DE

Key dates

• Filing date: Jan 27, 2021
• Grant date: May 9, 2023
• Expiry date: Oct 14, 2041

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C69/54
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to a process for preparing a carboxylic ester by reacting an aldehyde in the presence of an aluminum alkoxide, wherein the aluminum alkoxide is obtained either by reacting an aluminum hydride with an aldehyde or by reacting a different aluminum alkoxide with a carboxylic ester.