Process for the preparation of hydroxytyrosol

US8017815B2 · kind B2 · utility

Assignee

• DSM IP ASSETS B.V. · NL

Inventors

• Manfred Breuninger · Glückstadt, DE
• Marcel Joray · Kaiseraugst, CH

Key dates

• Filing date: Feb 28, 2008
• Grant date: Sep 13, 2011
• Expiry date: Feb 28, 2028

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C45/81
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Process for the preparation of hydroxytyrosol, characterized by reacting 4-chloroacetyl-catechol with a metal formate and formic acid in an aqueous solvent optionally containing a lower alkanol and catalytically hydrogenating the 4-hydroxyacetyl-catechol obtained in the presence of a precious metal, preferably on a carrier.