6-aryl-4-morpholin-1-ylpyridone compounds useful for the treatment of cancer and diabetes

A compound of formula (I)

• wherein
• R1 is aryl or heteroaryl, said aryl and said heteroaryl being mono- or bicyclic and optionally substituted with one or more of R5, R6, R7 and R8;
• R2, R3 and R4 are independently selected from hydrogen, C1-C3haloalkyl and C1-C3alkyl;
• R5, R6, R7 and R8 are independently selected from halogen, C1-C6alkyl, C1-C6alkoxy, C1-C6haloalkyl, amino, —NHSO2R9, hydroxy, phenyl and a monocyclic heteroaryl;
• R9 is C1-C3haloalkyl or C1-C3alkyl;
• and pharmaceutically acceptable salts, tautomers and stereoisomers thereof.