Tetracyclic indole derivatives for treating hypertension
US4801588A · kind A · utility
1Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 15, 1987 |
| Grant date | Jan 31, 1989 |
| Priority date | — |
| Expiry date | Jul 15, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P9/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formula I: ##STR1## wherein R.sub.1 =H, CH.sub.3 ; m=0,1; R.sub.2 =R.sub.3 =H or R.sub.2, R.sub.3 =bond, R.sub.4 =C.sub.1 -C.sub.4 hydrocarbon, n=1 or 2 and their pharmaceutically acceptable salts are antihypertensive agents. Their preparation and pharmaceutical compositions containing them are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.