Method for preparing heterocyclic derivative compound, composition containing same compound, and hydrate of same compound
US11866448B2 · kind B2 · utility
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Key dates
| Filing date | Jul 7, 2022 |
| Grant date | Jan 9, 2024 |
| Priority date | — |
| Expiry date | Jul 7, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/13
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.