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

2005-07-19

2005-07-19

Raymond, Richard L. (Department: 1624)

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C544S333000, C544S405000, C546S119000, C546S120000

Reexamination Certificate

active

06919451

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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patent: WO0039131 (2000-07-01), None
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patent: WO2003026652 (2003-04-01), None

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