Design and Synthesis of Novel 3-Nitro-1 H -1,2,4-triazole-1,2,3-triazole-1,4-disubstituted Analogs as Promising Antitrypanosomatid Agents: Evaluation of In Vitro Activity against Chagas Disease and Leishmaniasis.

Publisher: American Chemical Society Country of Publication: United States NLM ID: 9716531 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1520-4804 (Electronic) Linking ISSN: 00222623 NLM ISO Abbreviation: J Med Chem Subsets: MEDLINE

Publication: Washington Dc : American Chemical Society
Original Publication: [Easton, Pa.] : American Chemical Society, [c1963-

Trypanocidal Agents* ; Chagas Disease*/drug therapy ; Trypanosoma cruzi* ; Leishmaniasis*; Humans ; Structure-Activity Relationship ; Triazoles/chemistry

A series of 28 compounds, 3-nitro-1 H -1,2,4-triazole, were synthesized by click-chemistry with diverse substitution patterns using medicinal chemistry approaches, such as bioisosterism, Craig-plot, and the Topliss set with excellent yields. Overall, the analogs demonstrated relevant in vitro antitrypanosomatid activity. Analog 15g (R 1 = 4-OCF 3 -Ph, IC 50 = 0.09 μM, SI = >555.5) exhibited an outstanding antichagasic activity ( Trypanosoma cruzi , Tulahuen LacZ strain) 68-fold more active than benznidazole (BZN, IC 50 = 6.15 μM, SI = >8.13) with relevant selectivity index, and suitable LipE = 5.31. 15g was considered an appropriate substrate for the type I nitro reductases (TcNTR I), contributing to a likely potential mechanism of action for antichagasic activity. Finally, 15g showed nonmutagenic potential against Salmonella typhimurium strains (TA98, TA100, and TA102). Therefore, 3-nitro-1 H -1,2,4-triazole 15g is a promising antitrypanosomatid candidate for in vivo studies.

288-88-0 (1,2,4-triazole)
0 (Trypanocidal Agents)
0 (Triazoles)

Date Created: 20240202 Date Completed: 20240223 Latest Revision: 20241002

20241002

10.1021/acs.jmedchem.3c01745

38305199