Fluoro oxindole derivatives as modulators if KCNQ potassium channels
US6469042B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 14, 2002 |
| Grant date | Oct 22, 2002 |
| Priority date | — |
| Expiry date | Feb 14, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D209/34
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
There is provided novel 3-fluoro-3-phenyl oxindole derivatives of Formula I whereinR1, R2, R3 and R4 each are independently hydrogen, C1-4 alkyl, halogen, fluoromethyl, trifluoromethyl, phenyl, 4-methylphenyl or 4-trifluoromethylphenyl;R5 is C1-6 alkyl optionally substituted with one to three same or different groups selected from fluoro and chloro, provided R5 is not C1-6 alkyl when Y is O;Y is O or S; andR6 and R7 each are independently hydrogen, chloro, bromo or trifluoromethy;which are openers of the KCNQ potassium channels and are useful in the treatment of disorders which are responsive to the opening of the KCNQ potassium channels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.