Synthesis of 4,5-dihydro-pyrazolo[3,4-c]pyrid-2-ones

Details Synthesis of 4,5-dihydro-pyrazolo[3,4-c]pyrid-2-ones Synthesis of 4,5-dihydro-pyrazolo[3,4-c]pyrid-2-ones

2006-12-26

2006-12-26

Tucker, Zachary C. (Department: 1624)

Organic compounds -- part of the class 532-570 series

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C544S333000, C546S119000

Reexamination Certificate

active

07153960

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 are useful as factor Xa inhibitors.

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