7-[3,5-dihydroxy-2- (3-hydroxy-5-phenyl-pent-1-enyl)-cyclopentyl]-N-ethyl-hept-5-enamide (bimatoprost) in crystalline form II, methods for preparation, and methods for use thereof
US8629185B2 · kind B2 · utility
5Cited by
0References
7Claims
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Key dates
| Filing date | Nov 22, 2010 |
| Grant date | Jan 14, 2014 |
| Priority date | — |
| Expiry date | Jul 15, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a new crystalline form of bimatoprost, designated as crystalline form II. This new crystalline form is the most stable form known to date of bimatoprost. Moreover, it has been found that bimatoprost crystalline form II is readily prepared from crystalline form I.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.