Process for the preparation of cabergoline
US7858791B2 · kind B2 · utility
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1References
9Claims
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Key dates
| Filing date | Mar 2, 2005 |
| Grant date | Dec 28, 2010 |
| Priority date | — |
| Expiry date | May 7, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D457/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing cabergoline (I) from ergoline-8β-carboxylic acid ester (XIII) comprising the following steps. (XIII), (XVI), (XVII), (XVIII), (XIX), (I). The present case also relates to the intermediates (XVI), (XVII), (XVIII) and (XIX) as well as the polymorphic amorphous form of Cabergoline (I) and the production thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.