Pyridopyrimidinones derivatives as telomerase inhibitors

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C544S117000, C544S279000, C544S317000, C544S318000, C514S264110

Reexamination Certificate

active

07019002

ABSTRACT:
The invention provides pyrido[2,3-d]pyrimidin-7(8H)-one telomerase inhibitors of the formulawhere R1, R2 are as defined herein. The invention also provides methods for preparing the compounds of formula I, methods of using the compounds to treat diseases such as cancer, and pharmaceutical compositions comprising the compounds.

REFERENCES:
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SCIFINDER printout for compound with registry No. 64224-21-1.
SCIFINDER printout for compound with registry No. 797791-98-1.
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