Process for preparation of (2S, 5R)-7-oxo-6-sulphooxy-2[((3R)-piperidine-3-carbonyl)-hydrazino carbonyl]-1,6-diaza-bicyclo [3.2.1]-octane

US9657021B2 · kind B2 · utility

Assignee

• Wockhardt Limited · IN

Inventors

• Sanjeev Joshi · Aurangabad, IN
• Karuna Suresh Wankhede · Aurangabad, IN
• Sunil Bhaginath Jadhav · Ahmednagar, IN
• Shivaji Sampatrao Pawar · Aurangabad, IN
• Vinod Kashinath Ahirrao · Aurangabad, IN
• Satish Bhawsar · Aurangabad, IN
• Prasad Keshav Deshpande · Aurangabad, IN
• Ravindra Dattatraya Yeole · Aurangabad, IN
• Mahesh Vithalbhai Patel · Aurangabad, IN

Key dates

• Filing date: Oct 12, 2013
• Grant date: May 23, 2017
• Expiry date: Oct 12, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07B2200/13
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for preparation of (2S,5R)-7-oxo-6-sulphooxy-2-[((3R)-piperidine-3-carbonyl)-hydrazino carbonyl]-1,6-diaza-bicyclo[3.2.1]octane of Formula (I) is disclosed which is comprising reacting a compound of Formula (II) with a compound of Formula (III) to obtain a compound of Formula (IV). Crystalline compounds of Formula (I) are claimed.