The invention provides compounds of the formula: (I) having protein kinase B inhibiting activity: wherein A is a saturated hydrocarbon linker group containing from 1 to 7 carbon atoms, the linker group having a maximum chain length of 5 atoms extending between R
1
and NR
2
R
3
and a maximum chain length of 4 atoms extending between E and NR
2
R
3
, wherein one of the carbon atoms in the linker group may optionally be replaced by an oxygen or nitrogen atom; and wherein the carbon atoms of the linker group A may optionally bear one or more substituents selected from oxo, fluorine and hydroxy, provided that the hydroxy group when present is not located at a carbon atom a with respect to the NR
2
R
3
group and provided that the oxo group when present is located at a carbon atom a with respect to the NR
2
R
3
group; E is a monocyclic or bicyclic carbocyclic or heterocyclic group; R
1
is an aryl or heteroaryl group; and R
2
, R
3
, R
4
and R
5
are as defined in the claims. Also provided are pharmaceutical compositions containing the compounds, methods for preparing the compounds and their use as anticancer agents.
本发明提供具有蛋白激酶B抑制活性的式(I)化合物:其中A是饱和的碳氢链连接基,含有1至7个碳原子,连接基在R1和NR2R3之间的最大链长为5个原子,在E和NR2R3之间的最大链长为4个原子,其中连接基中的一个碳原子可以选择性地被氧或氮原子取代;连接基A的碳原子可以选择性地带有一个或多个取代基,所述取代基选自氧代、
氟代和羟基,但当羟基存在时,不得位于相对于NR2R3基团的碳原子a处,当氧代基存在时,必须位于相对于NR2R3基团的碳原子a处;E是单环或双环碳环或杂环基团;R1是芳基或杂环基团;R2、R3、R4和R5如权利要求所定义。还提供了含有该化合物的药物组合物,制备该化合物的方法以及其作为抗癌剂的用途。