Process for the production of .alpha.-tocopherol esters

US6048988A · kind A · utility

Assignee

• Degussa-Huels AG · DE

Inventors

• Steffen Krill · Mühltal, DE
• Frank Hubner · Ober-Ramstadt, DE
• Rainer Hahn · Tübingen, DE
• Horst Weigel · Rodenbach, DE
• Klaus Huthmacher · Gelnhausen, DE

Key dates

• Filing date: Dec 21, 1998
• Grant date: Apr 11, 2000
• Expiry date: Dec 21, 2018

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D311/72
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for the production of .alpha.-tocopherol esters, derivatives or homologs thereof of the general formula ##STR1## in which the mono- or diester of a hydroquinone is reacted with an allyl alcohol derivative or an allyl alcohol in the presence of zinc halides and proton-liberating acids at a temperature of 25.degree. to 100.degree. C.