Process for the preparation of meso-zeaxanthin

US6743954B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Hansgeorg Ernst · Speyer, DE
• Klaus Henrich · Haßloch, DE
• Klaus Ditrich · Neheim, DE

Key dates

• Filing date: Sep 10, 2002
• Grant date: Jun 1, 2004
• Expiry date: Sep 24, 2022

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P20/55
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for the preparation of optically pure acetylenediols of the formulae R-I and S-I and their further reaction to give meso-zeaxanthin are described.