Racemizing of optically active amines

US6153797A · kind A · utility

Assignee

• BASF SE

Inventors

• Hartmut Riechers · Neustadt, DE
• Joachim Simon · Grevenbroich, DE
• Arthur Hohn · Tauberbischofsheim, DE
• Andreas Kramer · Zürich, CH
• Frank Funke · Bischofswerda, DE
• Wolfgang Siegel · Schifferstadt, DE
• Christoph Nubling · Haßloch, DE

Key dates

• Filing date: Mar 1, 1999
• Grant date: Nov 28, 2000
• Expiry date: Mar 1, 2019

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C209/68
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

In a process for racemizing optically active amines by reacting the optically active amine in the presence of hydrogen and a hydrogenation or dehydrogenation catalyst at elevated temperature, the reaction is carried out in liquid phase and the catalyst comprises the catalytically active constituents copper, silver, iron, cobalt, nickel, ruthenium, rhodium, palladium, osmium, iridium and/or platinum and a support material selected from the group consisting of aluminum oxide, zirconium dioxide, titanium dioxide, carbon and/or oxygen compounds of silicon.