Crystals of cyclic amine derivative and pharmaceutical use thereof
US11834431B2 · kind B2 · utility
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Key dates
| Filing date | Feb 10, 2021 |
| Grant date | Dec 5, 2023 |
| Priority date | — |
| Expiry date | Jul 23, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/13
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A crystal of ethane disulfonate of (S)-1-(4-(dimethylamino)piperidin-1-yl)-3-hydroxy-3-(1-methyl-1H-imidazol-2-yl)propan-1-one, having peaks at diffraction angles 2θ)(° of 12.6±0.2, 16.0±0.2, 17.7±0.2, 18.5±0.2, and 21.3±0.2 in powder X-ray diffraction; and the crystal of ethane disulfonate of (S)-1-(4-(dimethylamino)piperi din-1-yl)-3-hydroxy-3-(1-methyl-1H-imidazol-2-yl)propan-1-one, having an endothermic peak at 173° C. to 177° C. in simultaneous thermogravimetric-differential thermal analysis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.