Process for the production of bimatoprost
US8772544B2 · kind B2 · utility
1Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 10, 2009 |
| Grant date | Jul 8, 2014 |
| Priority date | — |
| Expiry date | Dec 20, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for the purification of crude bimatoprost to obtain pure bimatoprost comprising a chromatography, preferably a chromatography using an achiral stationary phase and an eluent comprising an alcohol and an apolar solvent; and crystallization of the product obtained the chromatography to obtain pure bimatoprost.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.