Process for preparing pyrido[2,3-d]pyrimidin-7-one and 3,4-dihydropyrimido[4,5-d]pyrimidin-2(1H)-one derivatives
US7479558B2 · kind B2 · utility
3Cited by
32References
69Claims
0Family size
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Key dates
| Filing date | Mar 24, 2006 |
| Grant date | Jan 20, 2009 |
| Priority date | — |
| Expiry date | May 29, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D471/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention is directed to a novel method of preparing of 2,4,8-trisubstituted pyrido[2,3-d]pyrimidin-7-one pharmacophores of Formula (II) or (IIa)wherein wherein
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.