Process for separating pharmaceutically active diindole alkaloids
US4209443A · kind A · utility
1Cited by
3References
2Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 1, 1978 |
| Grant date | Jun 24, 1980 |
| Priority date | — |
| Expiry date | Mar 1, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D519/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A mixture of minor diindole alkaloids from Vinca-containing vinblastine and 4-deacetoxy-vinblastine vines, are separated by subjecting the mixture to a deacetylation to correct the vinblastine to deacetyl-vinblastine prior to chromatographic separation of said mixture in a single stage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.