Back to results
US 4,059,702 AGranted
3,8-Bis-basic ethers of 6H-dibenzo[b,d]pyran-6-one
AssigneeRichardson-Merrell Inc.
InventorDonald R. Meyer
Life of this patent
Estimating the term…
Abstract
Bis-basic ethers of 9-sustituted phenanthrene and related 10-oxa and 10-aza derivatives, their method of preparation and their use as pharmaceutical agents for the prevention and inhibition of viral infections are disclosed.
Claims7
A 3,8-bis-basic ether of 6H-dibenzo[b,d]pyran-6-one having the formula:
- ##STR8## wherein n is an integer of from 2 to 6;
- R and R.sub.1 are each selected from the group consisting of hydrogen, lower alkyl having from 1 to 6 carbon atoms, cycloalkyl having from 3 to 6 carbon atoms, alkenyl having from 3 to 6 carbon atoms in which the unsaturation is in a position other than the 1-position of the alkenyl group, and when R and R.sub.1 are taken together with the nitrogen atom to which they are attached represent the pyrrolidinyl, piperidino or morpholino group;
- and the pharmaceutically acceptable acid addition salts thereof.
The compound 3,8-bis[2-(dimethylamino)ethoxy]-6H-dibenzo[b,d]pyran-6-one and its pharmaceutically acceptable acid addition salts thereof.
Dependencies are inferred from the claim text.