3-hydroxy-6-phenylphenanthridines as pde-4 inhibitors
US7423046B2 · kind B2 · utility
16Cited by
6References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 2003 |
| Grant date | Sep 9, 2008 |
| Priority date | — |
| Expiry date | Dec 5, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compounds of formula (I), in which R1, R2, R3, R4, R5, R6 and R7 have the meaning indicated in the description, are novel effective PDE4 inhibitors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.