Add time:07/29/2019         Source:sciencedirect.com

Propenamine derivatives 3-(4′-bromo-[1,1′-biphenyl]-4-yl)-3-(4-X-phenyl)-N,N-dimethyl-2-propen-1-amine (where X=H or Br) were tested in experimentally infected mice with Trypanosoma cruzi (Y strain). When a daily dose of 20 mg kg−1 of the bromo (X=Br) derivative for 9 consecutive days was used, no parasite by optical microscopy was found. Significant parasitemic decrease was also observed with a single dose (100 mg kg−1) of this compound. Moreover, both treatment schemes displayed a strong protective effect characterized by decreased of mortality. On the other hand, similar treatment schedules using the unsubstituted (X=H) derivative led to parasitemic and mortality curves similar to the control group. These results indicate that the bromo derivative has a remarkable activity against T. cruzi infection. Due to the potentiality of this derivative, further investigation of this class of compounds as chemotherapeutic agents for Chagas’ disease is of prime importance.

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