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.L'invention concerne des composés qui modulent l'activité d'inhibiteurs de l'apoptose (IAP), des compositions pharmaceutiques contenant lesdits composés et des méthodes de traitement de troubles de prolifération et de troubles d'apoptose dérégulée, tels que le cancer, à l'aide des composés de l'invention.