PROCESSES TO PREPARE A COMPOUND, OR A PHARMACEUTICALLY ACCEPTABLE SALT FROM THE SAME OR A HYDRATE OF THE SAME, AND TO PREPARE 1.5 COMPOSITE HYDRATE, COMPOUND, PHARMACEUTICAL COMPOSITION, AND, 1.5 HYDRATE (SESQUI-HYDRATE) COMPOUND.

摘要

the present invention relates to: a new method for preparing a heterocyclic derivative compound of chemical formula i below; a new intermediate compound used in the preparation method; a composition for treating or preventing hyperuricacidemia, gout, nephritis, chronic renal failure, nephrolyte, uremia, urolithiasis or a disease related to uric acid, the composition containing the compound of chemical formula i in a dose greater than 2 mg and equal to or less than 10 mg and being administered orally once a day; and a hydrate 1.5 of the hydrochloride of the new compound of chemical formula i.