NOVEL POLYMORPH OF ATAZANAVIR SULFATE

摘要

The present invention provides a novel crystalline form of atazanavir sulfate, process for its preparation and to pharmaceutical composition containing it. In accordance with the present invention atazanavir sulfate was dissolved in methanol, to the solution was added ethyl acetate, the solid obtained was collected by filtration and dried to give atazanavir sulfate crystalline form H1.