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 are useful as factor Xa inhibitors.
                            本文描述了一种从适当的苯基
肼制备4,5-二氢嘧唑[3,4-c]
吡啶-2-酮的新工艺及其中间体。这些化合物可用作因子Xa
抑制剂。