Furanone derivatives, process for preparation thereof and use thereof
US4797417A · kind A · utility
10Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 1987 |
| Grant date | Jan 10, 1989 |
| Priority date | — |
| Expiry date | Mar 27, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to novel furanone derivatives, having an aldose reductase-inhibitory activity, of the formula ##STR1## wherein A is a lower alkylene group, PA0 R.sup.1 is a carboxy, hydroxy, protected hydroxy or lower alkoxycarbonyl group, PA0 R.sup.2 is a hydrogen or halogen atom or a halo (lower) alkyl group, and PA0 R.sup.3 is a hydrogen atom or a hydroxy, carboxy, lower alkoxy or lower alkoxycarbonyl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.