PREPARATION OF HYDROCHLORIDE SALTS OF TETRAZOLE DERIVATIVE (VARIANTS)

摘要

The present invention relates to sesquihydrate hydrochloride salt of irbesartan and anhydrous hydrochloride salts of irbesartan. Irbesartan used as the starting material for the preparation of the described hydrochlorides of irbesartan can be in any form, e.g. it can be used when contained in a reaction solution, in crude form, in a filtrate containing several solvents, or in anhydrous or any solvated or hydrated form, in amorphous form or any known crystal form or in a mixture thereof.