Antiparkinson ergoline derivatives
US4847253A · kind A · utility
10Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 18, 1988 |
| Grant date | Jul 11, 1989 |
| Priority date | — |
| Expiry date | Nov 18, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compounds of the formula I ##STR1## wherein R.sub.1 represents a hydrogen atom or a methyl group, either R.sub.2 and R.sub.3 represent hydrogen atoms or together represent a chemical bond, R.sub.4 represents a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group, R.sub.5 represents a C.sub.1 -C.sub.4 alkyl group or an allyl group and R.sub.6 represents a hydrogen or halogen atom, and pharmaceutically acceptable salts thereof, are disclosed as being useful for the treatment of extrapyramidal syndromes such as Parkinson's disease.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.