Racemization of optically active amines

US6160178A · 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: May 3, 1999
• Grant date: Dec 12, 2000
• Expiry date: May 3, 2019

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07B2200/07
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Optically active amines are racemized by reaction of the optically active amine in the gas phase at elevated temperature in the presence of hydrogen and a hydrogenation or dehydrogenation catalyst.