2-Aryl substituted isoxazolo(2,3-alpha)pyridinyl halides
US4018781A · kind A · utility
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3Claims
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Assignee
Inventors
Key dates
| Filing date | May 27, 1976 |
| Grant date | Apr 19, 1977 |
| Priority date | — |
| Expiry date | May 27, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D498/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
2-Aryl substituted isoxazolo[2,3-a]pyridinyl halides having the formula I: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are each hydrogen, halogen, hydroxy, lower alkyl, lower alkoxy or lower alkanoyl; R.sub.4 is hydrogen or lower alkyl; X is a bromide, chloride or iodide salt; the pharmaceutically acceptable, acid addition salts thereof; and processes for the preparation thereof, are described. The compounds of the invention are useful as anti-inflammatory agents and for the treatment of hyperacidity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.