Back to results
US 4,307,234 AGranted
Pyrimido[1,6-a]indole derivatives
AssigneeAmerican Home Products Corporation
InventorIvo L. Jirkovsky
Life of this patent
Estimating the term…
Abstract
Pyrimido[1,6-a]indole derivatives characterized by having a substituted ethyl group at position 5 and optionally being further substituted at various positions on the pyrimido[1,6-a]indole nucleus are disclosed. The foregoing compounds are useful as antihypertensive agents in a mammal. Methods for their preparation also are disclosed.
Claims5
A compound of formula VI, ##STR6## in which R.sup.1 is hydrogen;
- R.sup.2 is hydrogen, lower alkyl or, cyclo(lower)alkyl, R.sup.3 is hydrogen or lower alkyl and R.sup.4 is lower alkyl.
Dependencies are inferred from the claim text.