Process for the preparation of lurasidone hydrochloride

摘要

Disclosed is a new and efficient process for the synthesis with high yields and purity of lurasidone hydrochloride, a medicament which is useful as a psychotropic substance. The process involves the preparation of lurasidone base in a reaction system not containing inorganic salts, followed by conversion of the latter to an addition salt with an organic carboxylic acid, which is finally converted to lurasidone hydrochloride.