"Anti-inflammatory spiro-2H-indene-[2,3']-3H-pyrazolo[4"",5"":7',6']naphtho[2,1-b]pyran-1,3-d ione derivatives"
US4349559A · kind A · utility
5Cited by
0References
5Claims
0Family size
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Key dates
| Filing date | Feb 19, 1981 |
| Grant date | Sep 14, 1982 |
| Priority date | — |
| Expiry date | Feb 19, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C49/743
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The compounds of formula ##STR1## where R is hydrogen or fluorine possess glucocorticoid activity, and are prepared by reacting a compound of the formula ##STR2## with 1,2,3-indantrione.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.