Dr. Reddy's Laboratories, Incorporated

Pratap Reddy Padi

Babu Ireni

Srinivas Polavarapu

Kavitha Nerella

Vijaya Anand Ramasamy

Ranga Reddy Vangala

Shailaja Padamata

Ananda Mohan Jasty

Suma Latha Yasareni

Vishal Dayaram Parmar

Satya Narayana Bollikonda

There is provided a process for preparation of sitagliptin of Formula II or a pharmaceutically acceptable salt thereof by deprotection of Formula IX. 

Processes for the preparation of sitagliptin and pharmaceutically acceptable salts thereof

There is provided an improved process for the preparation of Sitagliptin of Formula II by reduction of compound of Formula VIII to Formula IX followed by deprotection of Formula IX to afford Sitagliptin of Formula II.

Process for preparing valsartan

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Hyderabad Telangana, India

Pratap Reddy Padi