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Synthesis and in vitro and in silico studies of 1H- and 2H-1,2,3-triazoles as antichagasic agents

2021; Elsevier BV; Volume: 116; Linguagem: Inglês

10.1016/j.bioorg.2021.105250

1090-2120

Thais B. Silva, Kathya N.K. Ji, Fernanda P. Pauli, Raíssa M.S. Galvão, Ana Flávia Martins Faria, Murilo Lamim Bello, Jackson A. L. C. Resende, Vinícius R. Campos, Luana da Silva Magalhães Forezi, Fernando de Carvalho da Silva, Robson Xavier Faria, Vı́tor F. Ferreira,

Trypanosoma species research and implications

1,2,3-triazole heterocycles stand out in medicinal chemistry for having great structural diversity and bioactivities. In this study, two series of triazoles were synthesized. One was obtained by the 1,3-dipolar cycloaddition reaction between ethyl cyanoacetate and several phenyl azides forming 1H-1,2,3-triazoles and the other by rearrangement of Dimroth forming and 2H-1,2,3-triazoles. Both series were shown to be active against the epimastigote form of Trypanosoma cruzi. The 1,2,3-triazoles 16d (S.I. between 100 and 200), 17d and 16f (S.I. > 200) were the most active compounds and capable of breaking the plasma membrane of trypomastigotes acting on CYP51 and inhibiting ergosterol synthesis. Candidate 16d exhibited the best and most favorable profile when interacting with CYP51.