Tandem Synthesis of Furanaphthoquinones via Enamines and Evaluation of Their Antiparasitic Effects against Trypanosoma cruzi
Furanaphthoquinones are well known in medicinal chemistry for exhibiting relevant structural heterogeneity and bioactivities. In this work, it was synthesized a series of furanaphthoquinones through a tandem reaction between lawsone (8) and cyclic ketones in the presence of morpholine. This strategy provides an efficient and general method for synthesizing furanaphthoquinones with activity against the epimastigote form of Trypanosoma cruzi (T. cruzi), the parasite that causes Chagas disease. Compound 9b was the better prototype, and it exhibited high potency for causing parasite death, showed reduced acute toxicity towards mammalian cells, and was capable of rupturing the epimastigote plasma membrane and acting on sterol 14α-demethylase (CYP51). Additionally, 9b reduced trypomastigote viability by 99% after 24 h. Candidate 9b demonstrated the best and most promising profile when bound to CYP51.
Main Authors: | Cardoso,Mariana F. C, Forezi,Luana S. M, Souza,Acácio S. de, Faria,Ana F. M, Galvão,Raissa M. S, Bello,Murilo L, Silva,Fernando C. da, Faria,Robson X, Ferreira,Vitor F |
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Format: | Digital revista |
Language: | English |
Published: |
Sociedade Brasileira de Química
2022
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Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532022000300238 |
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