Various forms of paroxetine hydrochloride anhydrate

摘要

The present invention relates to paroxetine hydrochloride anhydrate substantially free of bound propan-2-ol, several forms of the above, and specifically processes for preparing the above comprising crystallising paroxetine hydrochloride in an organic solvent or mixture of organic solvents which form a solvate with the paroxetine hydrochloride and which are not removable by conventional vacuum oven drying techniques and thereafter displacing the solvated solvent or solvents using a displacing agent.