Crystalline forms of dihydropyrazolopyrimidinone
US8198281B2 · kind B2 · utility
1Cited by
1References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 22, 2008 |
| Grant date | Jun 12, 2012 |
| Priority date | — |
| Expiry date | Sep 8, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P35/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to the crystalline forms of 2-allyl-1-[6-(I-hydroxy-1 methylethyl)pyridin-2-yl]-6-{[4-(4-methylpiperazin-1-yl)phenyl]amino}-1,2-dihydro-3H-pyrazolo[3,4-d]pyrimidin-3-one or a salt thereof, which are useful in the field of treatment of various cancers as a kinase inhibitor, especially as a Weel kinase inhibitor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.