申请人:Cohen Frederick
公开号:US20080146808A1
公开(公告)日:2008-06-19
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:
X
1
and X
2
are independently O or S; L is a bond or —C(X
3
)—, —C(X
3
)NR
12
, —C(X
3
)O— wherein X
3
is O or S and R
12
is H or R
1
; R
1
is 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; R
2
is alkyl, cycloalkyl, cycloalkylalkyl, aryl, aralkyl, a heterocycle or heterocyclylalkyl; R
3
is H or alkyl; R
4
and R
4′
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; R
5
, and R
5′
are each independently H or alkyl; R
6
is H or alkyl; and salts and solvates thereof.