9-Oxalysergic acid derivatives and uses thereof
US4493836A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 10, 1983 |
| Grant date | Jan 15, 1985 |
| Priority date | — |
| Expiry date | May 10, 2003 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Novel derivatives of 9-oxalysergic acid of the formula ##STR1## wherein R is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms, R.sub.1 is selected from the group consisting of hydrogen, chlorine and bromine, R.sub.2 is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms, aralkyl of 7 to 12 carbon atoms and cycloalkylalkyl of 4 to 7 carbon atoms, R.sub.3 is selected from the group consisting of --CH.sub.2 OH, alkylthiomethyl with 1 to 4 alkyl carbon atoms, --CH.sub.2 CN, --COOH, --COOAlk and ##STR2## Alk is alkyl of 1 to 5 carbon atoms, R.sub.4 is selected from the group consisting of hydrogen and alkyl of 1 to 5 carbon atoms, R.sub.5 is alkyl of 1 to 5 carbon atoms or R.sub.4 and R.sub.5 together with the nitrogen form a saturated heterocycle optionally containing another heteroatom and their non-toxic, pharmaceutically acceptable acid addition salts having essentially dopaminergic agonist activity, inhibiting activity of prolactin secretion, serotoninergic activity and antihypertensive activity and their preparation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.