Methods for isolating crystalline form I of 5-azacytidine
US8975392B2 · kind B2 · utility
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26References
21Claims
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Key dates
| Filing date | Jun 7, 2013 |
| Grant date | Mar 10, 2015 |
| Priority date | — |
| Expiry date | Jun 7, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07H19/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention includes methods for isolating crystalline Form I of 5-azacytidine substantially free of other forms, wherein 5-azacytidine is represented by the formula:The invention also includes pharmaceutical compositions comprising Form I of 5-azacytidine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.