Process for manufacture of pure (2S, 3aS, 7aS)-1-[(2S)-2-[[(1S)-1-(ethoxycarbonyl) butyl]amino]-1-oxopropyl] octahydro-1H-indole-2-carboxylic acid and its tert. butyl amine salt

US7615571B2 · kind B2 · utility

Assignee

• IPCA LABORATORIES LIMITED · IN

Inventors

• Sanjay Gunjal · Mumbai, IN
• Dilip Jadhav · Mumbai, IN
• Ashok Kumar · Jamkhed, IN
• Mathur Arpana · Thane, IN
• Nalinakshya Balaram Panda · Vasai, IN
• Satish Rajanikant Soudagar · Mumbai, IN

Key dates

• Filing date: Jan 3, 2006
• Grant date: Nov 10, 2009
• Expiry date: Jun 22, 2026

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D209/42
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

New compounds useful as synthetic intermediates to synthesize perindopril, a new process for synthesizing perindopril, and new salts of perindopril.