Pyrido(3,2-d)pyridmidines useful for treating viral infections
US8637531B2 · kind B2 · utility
9Cited by
11References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 24, 2007 |
| Grant date | Jan 28, 2014 |
| Priority date | — |
| Expiry date | Apr 20, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention provides pyrido(3,2-d)pyrimidine derivatives represented by the structural formula (I), wherein: R1 is amino, R4 is hydrogen, and R2 and R3 together provide a specific substitution pattern, pharmaceutical acceptable addition salts, stereochemical isomeric forms, N-oxides, solvates and pro-drugs thereof, are useful in the treatment of hepatitis C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.