PDE4 inhibitor
US9890142B2 · kind B2 · utility
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3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 2014 |
| Grant date | Feb 13, 2018 |
| Priority date | — |
| Expiry date | Jul 10, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D417/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Provided is a compound represented by formula (1a) or a pharmacologically acceptable salt thereof, which can be used as a phosphodiesterase (PDE) inhibitor. R1 to R6 in the formula each independently represent an alkyl group or the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.