Efficient synthesis of 4,5-dihydro-pyrazolo[3,4-c]pyrid-2-ones
US7435821B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Aug 15, 2007 |
| Grant date | Oct 14, 2008 |
| Priority date | — |
| Expiry date | Aug 15, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P7/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A novel process and intermediates thereof for making 4,5-dihydro-pyrazolo[3,4-c]pyrid-2-ones of the type shown below from appropriate phenyl hydrazines is described.These compounds can be useful as factor Xa inhibitors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.