Substituted dihydroxy-bis-[5-hydroxy-2(5H)-furanone-4-yl]-alkanes as anti-inflammatory agents
US5225571A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 30, 1991 |
| Grant date | Jul 6, 1993 |
| Priority date | — |
| Expiry date | Apr 30, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F7/0814
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formula ##STR1## in which R.sub.1 is H or alkyl of 1 to 20 carbons, CO--R.sub.2, CO--O--R.sub.2, CO--NH--R.sub.2, or PO(OR.sub.2).sub.2 or PO(OR.sub.2)R.sub.2, where R.sub.2 independently is H, alkyl of 1 to 20 carbons, phenyl, or lower alkyl substituted phenyl or halogen substituted phenyl; n is an integer between 8 to 14; Y is H, alkyl having 1-20 carbon atoms, aryl[lower alkyl], aryl, lower alkyl[aryl], alkenyl containing one or more olephinic bonds and 1-20 carbon atoms, CO--R.sub.3, CO--OR.sub.3, CONHR.sub.3, SO.sub.2 R.sub.3, SO.sub.2 NHR.sub.3 where R.sub.3 is aryl[lower alkyl], aryl, lower alkyl[aryl], alkenyl containing one or more olephinic bonds and 1-20 carbon atoms, further Y is PO(OH).sub.2, PO(OH)OR.sub.4, PO(OH)R.sub.4 PO(OR.sub.4).sub.2, where R.sub.4 is independently alkyl of 1-20 carbons or phenyl, have anti-inflammatory activity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.