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US 2007/0167477 A1Published application
Processes to prepare finasteride polymorphs
OwnerVenkata Naga Brahmeswara Mandava, Radhakrishna Singamsetty +2inventors
InventorsVenkata Naga Brahmeswara Mandava, Radhakrishna Singamsetty, Nagaraju Manne, Satish Vujjini
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Abstract
Processes for preparing polymorphic crystalline Form I and Form III of finasteride.
Claims12
A process for preparing crystalline finasteride Form I, comprising combining an alcohol solution of finasteride with water.
A process for preparing crystalline finasteride Form III, comprising combining a solution of finasteride in an organic solvent with cyclohexane.
Dependencies are inferred from the claim text.