Method for preparing heterocyclic derivative compound, composition containing same compound, and hydrate of same compound
AssigneeJw Pharmaceutical Corporation
InventorsDo Kyu Pyun, Kyoung Jin Oo
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Abstract
The present invention relates to: a novel method for preparing a heterocyclic derivative compound of chemical formula I below; a novel intermediate compound used in the preparation method; a composition for treatment or prevention of hyperuricacidemia, gout, nephritis, chronic renal insufficiency, nephrolith, uremia, urolithiasis, or a uric acid-related disease, the composition containing the compound of chemical formula I at a dose of more than 2 mg and equal to or less than 10 mg and being orally administered once a day; and a hydrochloride 1.5 hydrate of the novel compound of chemical formula I.
Claims8
Hydrochloride 1.5 hydrate (sesquihydrate) of a compound of Formula I:
A process for preparing hydrochloride 1.5 hydrate of the compound of the following Formula I, comprising reacting the compound of Formula I with acetic acid, aqueous hydrochloric acid solution and acetone to form crystals:
Dependencies are inferred from the claim text.