Crystalline form of Bimatoprost, preparation method and use thereof
US8664275B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Jul 30, 2010 |
| Grant date | Mar 4, 2014 |
| Priority date | — |
| Expiry date | Jul 30, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The crystalline form A of Bimatoprost of formula I, its preparation method and use are provided. There are characteristic peaks where diffraction angles 2θ are 3.2±0.2°, 5.5±0.2°, 11.4±0.2°, 16.7±0.2°, 17.6±0.2°, 19.9±0.2°, 20.8±02° and 22.8±0.2° in the X-ray powder diffraction pattern of the crystalline form A.
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