Wockhardt Limited

Vipul Rane

Mahesh Vithalbhai Patel

Prasad Keshav Deshpande

Ravindra Dattatraya Yeole

Satish B Bhawsar

Sunil Bhaginath Jadhav

Sachin Subhash Bhagwat

Ravikumar Tadiparthi

Vijaykumar Jagdishwar Patil

Amit Chandra Mishra

Shivaji Sampatrao Pawar

Sanjeev Joshi

Sunil Gupta

Piyush Ambalal Patel

Rajesh Prabhakar Chavan

Rajib Bhuniya

Swapna Shripad Takalkar

Anusuya Patel

Compounds of Formula (I), or a stereoisomer or a pharmaceutically acceptable salt thereof, their preparation, pharmaceutical compositions comprising such compounds and their use in treating and/or preventing bacterial infections are disclosed. 

Antibacterial compounds

A process for preparation of a compound of Formula (I) is disclosed. 

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

A process for preparation of (2S,5R)-7-oxo-6-sulphooxy-2-[((3R)-pyrrolidine-3-carbonyl)-hydrazino carbonyl]-1,6-diaza-bicyclo[3.2.1]octane is disclosed comprising reacting a compound of Formula (II) with a compound of Formula (III) to obtain a compound of Formula (IV). The crystalline end-product is als claimed.

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

A process for preparation of a sodium salt of (2S,5R)-2-carboxamido-7-oxo-6-sulfooxy-1,6-diaza-bicyclo[3.2.1]octane is disclosed which is comprising the amidation of a compound of Formula (II) to obtain a compound of Formula (III). 

Process for sodium salt of (2S, 5R)-2-carboxamido-7-oxo-6-sulfooxy -1,6-diaza-bicyclo[3.2.1]octane

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Aurangabad, India

Vipul Rane