Processes for the manufacture of chiral and racemic forms of 3-aminotetrahydrofurans, their salts and derivatives

US7514573B2 · kind B2 · utility

Assignee

• SAMI LABS LIMITED · IN

Inventors

• Muhammed Majeed · Plainsboro, US
• Kalyanam Nagabhushanam · Plainsboro, US
• Sivaprskash Kurumanghat Balakrishnan · Nagamangala, IN
• Savita Ganjihal · Bengaluru, IN
• Rajendran Ramanujam · Bengaluru, IN
• Rattan Sood · Nagamangala, IN
• Subbalakshmi Prakash · Piscataway, US

Key dates

• Filing date: Apr 11, 2007
• Grant date: Apr 7, 2009
• Expiry date: Jun 6, 2027

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D307/22
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A novel process for the synthesis of (S)-3-Amino-tetrahydrofuran and (R)-3-Amino-tetrahydrofuran is described. The process is applicable for substituted chiral-3-aminotetrahydrofuran derivatives.