Continuous production method for 2-methylene alkanals

US10501396B2 · kind B2 · utility

Assignee

• OXEA GMBH · DE

Inventors

• Kurt Schalapski · Oberhausen, DE
• Jan Henry Rahe · Herten, DE
• Christoph Balzarek · Krefeld, DE
• Gregor MEIER · Duisburg, DE
• Heinz Strutz · Usingen, DE

Key dates

• Filing date: Sep 5, 2017
• Grant date: Dec 10, 2019
• Expiry date: Sep 5, 2037

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J2219/3322
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to the continuous production of 2-methylene alkanals in a tube reactor, wherein in the 2-position non-branched alkanals are reacted with formaldehyde under acid-base catalysis in the presence of secondary amines and carboxylic acids under laminar flow conditions.