Losartan potassium synthesis

US6916935B2 · kind B2 · utility

Assignee

• IPCA LABORATORIES LIMITED · IN

Inventors

• Ashok Kumar · Jamkhed, IN
• Rajeshkumar Singh · Mumbai, IN
• Nalinakshya Balaram Panda · Vasai, IN
• Abhay Atmaram Upare · Mumbai, IN
• Manmohan Nimbalkar · Mumbai, IN
• Satish Rajanikant Soudagar · Mumbai, IN

Key dates

• Filing date: May 7, 2003
• Grant date: Jul 12, 2005
• Expiry date: May 18, 2023

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K31/4184
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A process for the synthesis of Losartan Potassium by reacting Trityl Losartan in a primary alcohol with potassium tertiary alkoxide.