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1. (WO2015114657) AMORPHOUS FORM OF SITAGLIPTIN FREE BASE

Pub. No.:    WO/2015/114657    International Application No.:    PCT/IN2015/000035
Publication Date: Fri Aug 07 01:59:59 CEST 2015 International Filing Date: Thu Jan 22 00:59:59 CET 2015
IPC: C07D 487/04
A61K 31/4985
Applicants: CADILA HEALTHCARE LIMITED
Inventors: DWIVEDI, Shri Prakash Dhar
KHERA, Brij
SINGH, Kumar Kamlesh
SOLANKI, Kirtipalsinh Sajjansinh
Title: AMORPHOUS FORM OF SITAGLIPTIN FREE BASE
Abstract:
The present invention provides an amorphous form of sitagliptin free base of Formula (I). The invention further provides a process for preparation of an amorphous form of sitagliptin free base. The process comprises a) providing a solution or suspension of sitagliptin free base in one or more solvents; and b) obtaining the amorphous form of sitagliptin free base by the removal of the solvent.(I)