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US 3,940,418 AGranted
Esters and amides of 4,5-dihydrobenz[g]indazole-3-carboxylic acids and related compounds
AssigneeG. D. Searle & Co.
InventorRobert W. Hamilton
Life of this patent
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Abstract
Aminoalkyl esters and amides of 4,5-dihydrobenz[g]indazole-3-carboxylic acids and related compounds are described herein. They are useful as anti-ulcer agents, anti-arrhythmic agents, anti-bacterial agents, anti-protozoal agents, anthelmintics, anti-fungal agents, anti-algal agents and anti-inflammatory agents. The compounds are prepared from the appropriate carboxylic acid, alkyl ester, or acid chloride.
Claims8
A compound of the formula ##SPC6## wherein A is selected from the group consisting of hydrogen, halogen, and methoxy;
- Y is selected from the group consisting of hydrogen, chlorine, and methoxy;
- Y' is hydrogen or methoxy;
- Z is methylene, ethylene, trimethylene, or vinylene;
- X is O or --NH--;
- Alk is lower alkylene containing up to 6 carbon atoms and separating the atoms attached thereto by at least two carbon atoms;
- NRR' is selected from the group consisting of di(lower alkyl)-amino wherein each lower alkyl group contains up to 6 carbon atoms, 1-pyrrolidinyl, and piperidino.
3 more elements
Dependencies are inferred from the claim text.