Process for preparing 2-[[5-(3-chlorophenyl)-3-hydroxypyridine-2-carbonyl] amino] acetic acid
US12269802B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Jun 13, 2023 |
| Grant date | Apr 8, 2025 |
| Priority date | — |
| Expiry date | Jun 13, 2043 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D213/81
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed herein are methods and processes of preparing vadadustat and pharmaceutically acceptable salts thereof, and intermediates of formula (I) and their salts useful for the synthesis of vadadustat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.