Purification of carboxylic acid esters containing aldehydes and/or acetals

US4350572A · kind A · utility

Assignee

• BASF SE

Inventors

• Rudolf Kummer · Bischofswerda, DE
• Volker Taglieber · Ludwigshafen, DE
• Franz Weis · Laval, CA
• Heinz-Walter Schneider · Ludwigshafen, DE

Key dates

• Filing date: Nov 6, 1980
• Grant date: Sep 21, 1982
• Expiry date: Nov 6, 2000

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C67/60
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for purifying carboxylic acid esters which have been obtained by reacting olefinically unsaturated compounds with carbon monoxide and alkanols and which contain aldehydes or acetals, wherein the said esters are treated with a strongly acidic agent, with or without addition of water.