Substituted phthalides, a process for their preparations and pharmaceutical compositions containing them
US6689808B2 · kind B2 · utility
1Cited by
1References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 26, 2002 |
| Grant date | Feb 10, 2004 |
| Priority date | — |
| Expiry date | Dec 26, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to compounds of formula (I): whereinR1 represents alkyl or ureido,R2 represents alkyl or hydrogen, or R1 and R2 together form a 5- or 6-membered ring,R3 represents CN, NO2, NRaR′a, NRaSO2R′a, NRaCZR5 or CZNRaR′a,R4 represents hydrogen or R3,and medicinal products containing the same which are useful in treating or preventing epilepsy and neurodegenerative diseases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.