Process for the preparation of phenethylamine derivatives

US7141697B2 · kind B2 · utility

Assignee

• Sandoz AG · CH

Inventors

• Niranjan Paingankar · Mumbai, IN
• Vilas N. Mumbaikar · Thane, IN
• Vadiraj Ekkundi · Mumbai, IN
• Hans-Peter Jalett · Dornach, CH
• Urs Siegrist · Eiken, CH
• Paul Adriaan Van Der Schaaf · Fribourg, CH
• Frank Bienewald · Versailles, FR
• Martin Studer · Basel, CH
• Stefan Burkhardt · Gelterkinden, CH

Key dates

• Filing date: Dec 12, 2001
• Grant date: Nov 28, 2006
• Expiry date: Dec 12, 2022

Classification

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

Abstract

Disclosed is a process for the preparation of a compound of formulawherein wherein R1, R2 and n are as defined above, in the presence of a nickel or cobalt catalyst.