Method for the preparation of trimethylcyclohexyl-alkan-3-ols containing a high proportion of trans isomers

US7019181B2 · kind B2 · utility

Assignee

• Symrise GmbH & Co. KG · DE

Inventors

• Dietmar Schatkowski · Stadtoldendorf, DE
• Wilhelm Pickenhagen · Rinteln, DE
• Hartmut Struwe · Holzminden, DE
• Johannes Panten · Ankum, DE
• Klaus Sch{hacek over (a)}fer · Holzminden, DE

Key dates

• Filing date: Sep 18, 2003
• Grant date: Mar 28, 2006
• Expiry date: Sep 18, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C2601/14
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A method is described for the preparation of a trimethylcyclohexyl-alkan-3-ol containing a proportion of trans isomer of Formula D where