Thiopyrane-4-ones as DNA protein kinase 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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C514S432000, C544S145000, C549S028000, C604S020000

Reexamination Certificate

active

07105518

ABSTRACT:
The present invention provides compounds of formula (I) and isomers, salts, solvates, chemically protected forms, and prodrugs thereof, wherein R1and R2are independently hydrogen, an option ally substituted C1-7alkyl group, C3-20heterocyclyl group, or C5-20aryl group, or may together form, along with the nitrogen atom to which they are attached, an optionally substituted heterocyclic ring having from 4 to 8 ring atoms; and R3is an optionally substituted C3-20heterocyclyl or C5-20aryl group, and their use as pharmaceuticals, particularly in treating diseases which are retroviral mediated or ameliorated by the inhibition of DNA-PK,

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