Various 1,5,10,11-tetrahydrobenzo[4,5]cyclohepta[1,2-B]pyrazolo-[4,3-E]pyridine derivatives
US4127715A · kind A · utility
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3Claims
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Key dates
| Filing date | Feb 27, 1978 |
| Grant date | Nov 28, 1978 |
| Priority date | — |
| Expiry date | Feb 27, 1998 |
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; ##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.