Emcure Pharmaceuticals Limited

Lupin, Inc.

Rajendra Dagesing Mahale

Girij Pal Singh

Mukund Keshav Gurjar

Samit Satish Mehta

Gurvinder Pal Singh

Narendra Kumar Tripathy

Golakchandra Sudarshan Maikap

Tushar Pandurang Khaladkar

Ashok Tukaram Chaudhari

Sanjay Shankar Pawar

Vijay Keshav Kalhapure

Swapnil Panditrao Sonawane

Milind Gharpure

Srihari Shivaji Mane

The present invention relates to the preparation of stable pyridone disulphide derivatives having general formula (I) and its stereoisomers, which are useful in the treatment of gastrointestinal disorders. Pyridone disulphide derivatives (I) wherein, R, Rand Rare independently alkyl, alkoxy, halogen, halogenated alkoxy, halogenated alkyl, hydrogen and could be the same or different and X is CH or N. Ris methyl, methoxy, fluorine, trifluoromethyl, difluoromethoxy and hydrogen, Ris methyl, methoxy and hydrogen, and Ris methyl and hydrogen.

Pyridone derivatives as acid secretion inhibitors and process for preparation thereof

A process for preparation of 4-hydroxy-pyran-2-one derivative of formula (I), wherein R is, and wherein Rand Rare methyl and Ris hydrogen or methyl, wherein R is as defined before, and Ris hydrogen, NHor an alkali metal,

Method for manufacture of 4-hydroxy pyran-2-one derivatives

Growing community of inventors

Pune, India

Rajendra Dagesing Mahale