Azabicyclo-octane inhibitors of IAP

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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C548S452000, C548S465000, C514S412000

Reexamination Certificate

active

07345081

ABSTRACT:
The invention provides novel inhibitors of IAP that are useful as a therapeutic agents for treating malignancies where the compounds have the general formula I:X1and X2are independently O or S; L is a bond or —C(X3)—, —C(X3)NR12, —C(X3)O— wherein X3is O or S and R12is H or R1; R1is alkyl, a carbocycle, carbocycle-substituted alkyl, a heterocycle or heterocycle-substituted alkyl, wherein each is optionally substituted with halogen, hydroxyl, mercapto, carboxyl, alkyl, haloalkyl, alkoxy, alkylsulfonyl, amino, nitro, aryl and heteroaryl; R2is alkyl, cycloalkyl, cycloalkylalkyl, aryl, aralkyl, a heterocycle or heterocyclylalkyl; R3is H or alkyl; R4and R4′are independently H, alkyl, aryl, aralkyl, cycloalkyl, cycloalkylalkyl, heteroaryl, or heteroaralkyl wherein each is optionally substituted with halogen, hydroxyl, mercapto, carboxyl, alkyl, alkoxy, amino and nitro; R5, and R5′are each independently H or alkyl; R6is H or alkyl; and salts and solvates thereof.

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