Patent · US Expired

1,5,10,11-Tetrahydrobenzo[4,5]-cyclohepta[1,2-b]pyrazolo[4,3-e]pyridines

US4087433A · kind A · utility

2Cited by
2References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 28, 1977
Grant dateMay 2, 1978
Priority date
Expiry dateMar 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.