Alpha.sub.2 -antagonistic 2-(4,5-dihydro-1H-imidazol-2-yl)-pyrrolo[3,2,1-hi]indoles
US4617313A · kind A · utility
2Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 1985 |
| Grant date | Oct 14, 1986 |
| Priority date | — |
| Expiry date | Aug 28, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D209/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Pyrrolo[3,2,1-hi]indole derivatives, in the form of racemates or optically active isomers, of formula (I) ##STR1## in which R is a hydrogen atom or C.sub.1 -C.sub.4 alkyl and R.sub.1 and R.sub.2, which may be the same or different, are hydrogen, halogen or C.sub.1 -C.sub.4 alkyl and their pharmaceutically acceptable acid addition salts are useful as .alpha..sub.2 -antagonists.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.