1,5,10,11-Tetrahydrobenzo[4,5]-cyclohepta[1,2-b]pyrazolo[4,3-e]pyridines
US4087433A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 28, 1977 |
| Grant date | May 2, 1978 |
| Priority date | — |
| Expiry date | Mar 28, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D471/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formulas ##STR1## wherein R.sub.1 is lower alkyl, phenyl, benzyl or phenethyl; R.sub.2 is hydrogen, lower alkyl or phenyl; R is ##STR2## N IS AN INTEGER FROM 3 TO 6; R.sub.3 and R.sub.4 are each lower alkyl or R.sub.3 and R.sub.4 taken together with the N-atom form a heterocyclic ring of the formula ##STR3## wherein R.sub.5 is hydrogen, lower alkyl, or lower alkoxy; and pharmaceutically acceptable acid addition salts thereof are disclosed. These compounds and their salts possess central nervous system activity and are useful as anti-anxiety agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.