Preparation of tryptophols
US4904799A · kind A · utility
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1Claims
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Assignee
Inventors
Key dates
| Filing date | Aug 8, 1989 |
| Grant date | Feb 27, 1990 |
| Priority date | — |
| Expiry date | Aug 8, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P29/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.