Dihydropyrazolopyrimidinone derivatives
US7935708B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 25, 2007 |
| Grant date | May 3, 2011 |
| Priority date | — |
| Expiry date | Jun 2, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to compounds of a general formula (I):wherein Ar1 is an optionally-substituted aryl or heteroaromatic group; R1 is an optionally-substituted lower alkyl, lower alkenyl, lower alkynyl or cyclo-lower alkyl group, or is an aryl, aralkyl or heteroaromatic group optionally having a substituent; R2 is a hydrogen atom, a lower alkyl group, a lower alkenyl group or a lower alkynyl group, or is an aryl, aralkyl or heteroaromatic group optionally having a substituent; R3 is a hydrogen atom or a lower alkyl group; R4 is a hydrogen atom, a halogen atom, a hydroxyl group, a lower alkyl group or a group of —N(R1k)R1m; T and U are a nitrogen atom or a methine group, etc.The compounds of the invention have excellent Weel kinase-inhibitory effect and are therefore useful in the field of medicines, especially treatment of various cancers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.