Substituted-8-alkenyl-1,3,4,9-tetrahydropyrano[3,4-b]indole-1-acetic acids
US4855445A · kind A · utility
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5Claims
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Assignee
Inventors
Key dates
| Filing date | Jan 9, 1989 |
| Grant date | Aug 8, 1989 |
| Priority date | — |
| Expiry date | Jan 9, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D491/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Indole derivatives characterized by having a 1,3,4,9-tetrahydropyrano[3,4-b]indole-1-acetic acid nucleus bearing substituents in position 1-,5-,6-, 7- and 8- are disclosed. The derivatives are useful anti-inflammatory and/or analgesic agents. Methods for their preparation and use are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.