Process for the preparation of alkyl mercapto methyl ergoline derivatives
US6395901B1 · kind B1 · utility
5Cited by
2References
29Claims
0Family size
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Key dates
| Filing date | Mar 21, 2001 |
| Grant date | May 28, 2002 |
| Priority date | — |
| Expiry date | Mar 21, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P25/16
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Process for the preparation of compounds active in the treatment of Parkinson's disease, and such compounds, having general formula (VI) wherein R4 may be, independently, a linear, branched or cyclic, saturated or unsaturated C1-8 alkyl radical, such as, for example, the radicals methyl, ethyl, propyl, butyl, isobutyl, tert-butyl, pentyl, cyclopentyl, hexyl, cyclohexyl and octyl. The process utilizes as starting materials the compound of formula (I) wherein R1 represents a linear, branched or cyclic, saturated or unsaturated C1-8 alkyl residue.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.