There are disclosed compounds that modulate the activity of inhibitors of apoptosis (IAPs), pharmaceutical compositions containing said compounds and methods of treating proliferative disorders and disorders of dysregulated apoptosis, such as cancer, utilizing the compounds of the invention.Linvention concerne des composés modulant lactivité dinhibiteurs de lapoptose (IAP), des compositions pharmaceutiques contenant ces composés et des méthodes permettant de traiter des troubles évolutifs et des troubles du dérèglement de lapoptose, tel que le cancer, au moyen des composés de linvention.