EFFICIENT SYNTHESIS OF 4,5-DIHYDRO-PYRAZOLO[3,4-C]PYRID-2-ONES

摘要

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. Formula (I). These compounds can be useful as factor Xa inhibitors.