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US 4,785,015 AGranted
Substituted 1,3,4,9-tetrahydropyrano [3,4-B]indole-1-acetic acids
AssigneeAmerican Home Products Corporation
InventorsBrian A. McKittrick, Alan H. Katz
Life of this patent
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Abstract
Indole derivatives characterized by having a 1,3,4,9-tetrahydropyrano[3,4-b]indole-1-acetic acid nucleus bearing a substituent in position 1-, 4-, 5-, 6-, 7- and 8- are disclosed. The derivatives are useful anti-inflammatory and analgesic agents and methods for their preparation and use are also disclosed.
Claims7
The compounds having the structure ##STR7## wherein R.sup.1 is hydrogen, lower alkyl having 1 to 4 carbon atoms or halogen, R.sup.2 is hydrogen or lower alkyl having 1 to 4 carbon atoms or a pharmaceutically acceptable salt thereof.
Dependencies are inferred from the claim text.