(1R,1′R)-atracurium salts separation process
US8357805B2 · kind B2 · utility
0Cited by
15References
12Claims
0Family size
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Key dates
| Filing date | Mar 5, 2008 |
| Grant date | Jan 22, 2013 |
| Priority date | — |
| Expiry date | Jun 8, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B57/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides an improved method for obtaining cisatracurium besylate, which preferably chromatographically separating cisatracurium besylate from a mixture of (1R,1′R)-atracurium isomers via flash chromatography.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.