Polymorphs of Saxagliptin hydrochloride and processes for preparing them
AssigneeTeva Pharmaceutical Industries Ltd.
InventorsMarina Marinković, Marina Ratkaj, Oliver Franković, Tina Mundorfer
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Abstract
The invention provides polymorphs of Saxagliptin hydrochloride, processes for preparing polymorphs of Saxagliptin hydrochloride, and pharmaceutical compositions of polymorphs of Saxagliptin hydrochloride.
Claims19
Crystalline Saxagliptin hydrochloride Form K, characterized by a powder XRD pattern having peaks at 6.4, 11.4, 12.8, 15.7, and 19.4 degrees 2-theta±0.2 degrees 2-theta.
Crystalline Saxagliptin hydrochloride Form Z, characterized by an X-ray powder diffraction pattern having peaks at 9.3, 12.0, 14.2 and 19.2 degrees two theta±0.2 degrees two theta.
Crystalline Saxagliptin hydrochloride Form D, characterized by an X-ray powder diffraction pattern having peaks at 10.6, 14.4, 15.4, 17.3, 22.6 and 25.7 degrees two theta±0.2 degrees two theta.
Dependencies are inferred from the claim text.