CCR-2 antagonist salt
US7473696B2 · kind B2 · utility
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Key dates
| Filing date | Oct 25, 2004 |
| Grant date | Jan 6, 2009 |
| Priority date | — |
| Expiry date | Feb 5, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An efficient synthesis for the preparation of ((1R,3S)-3-isopropyl-3-{[3-(trifluoromethyl)-7,8-dihydro-1,6-naphthyridin-6(5H)-yl]carbonyl} cyclopentyl)[(3S,4S)-3-methoxytetrahydro-2H-pyran-4-yl]amine and its succinate salt are provided. The succinate salt is crystalline and has superior properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.