Neglected diseases are caused due to a set of ecological, evolutionary and biological factors, there is a higher incidence in the number of cases in countries with tropical climate. Chagas disease is one of the most important neglected diseases that affects several countries. The etiologic agent that causes this disease is the flagellate protozoan Trypanosoma cruzi. The disease presents in two clinical phases: acute and chronic. This disease pose a significant burden to people's health in general. The drugs available to treat it are not able to meet your clinical needs. Aiming at the analysis of a chemical constituent of pau brasil (Paubrasilia echinata Lam.), the present study aimed to evaluate the action of antichagasic constituents through an in silico study.