Process for preparing 4,5-dihydro-pyrazolo [3,4-c] pyrid-2-ones

Details Process for preparing 4,5-dihydro-pyrazolo [3,4-c] pyrid-2-ones Process for preparing 4,5-dihydro-pyrazolo [3,4-c] pyrid-2-ones

C - Chemistry, Metallurgy

07

D

C07D 471/04 (2006.01)

Patent

CA 2582233

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.

La présente invention concerne un nouveau procédé et des produits intermédiaires associés permettant de fabriquer des 4,5-dihydro-pyrazolo[3,4-c]pyrid-2-ones représentés par la formule générale ci-dessous à partir de phénylhydrazines appropriées. Ces composés peuvent être utilisés en tant qu'inhibiteurs du facteur Xa.

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