Abstract
With the aim of finding new chemical entities based on coumarin and chalcone scaffolds, new hybrid compounds 2-5 were designed and synthesized. The trypanocidal activity of these compounds was tested against the epimastigote, trypomastigote and amastigote stages of the Trypanosoma cruzi parasite. Cytotoxicity assays were also performed in RAW 264.7 and VERO cells. Compound 5 presented the highest trypanocidal activity of the series, with trypanocidal values higher than nifurtimox for the trypomastigote and epimastigote stages., but presenting cytotoxic effects in the mammalian cells. A SAR study suggested that methoxy substitution at positions 2 and 5 in the designed scaffold seemed to be a key feature for the trypanocidal activity. Therefore, the coumarin-chalcone scaffold can be taken into account for further lead optimization and design new and more effective trypanocidal compounds.
Keywords: Chagas disease, Chalcone, Coumarin, Cytotoxicity, Natural products, Structure-activity relationship, Trypanosoma cruzi.
Medicinal Chemistry
Title:Facing Chagas’ Disease: Trypanocidal Properties of New Coumarinchalcone Scaffolds
Volume: 12 Issue: 6
Author(s): Saleta Vazquez-Rodriguez, Roberto F. Guíñez, Maria J. Matos, Claudio Olea-Azar, Juan D. Maya, Eugenio Uriarte and Lourdes Santana
Affiliation:
Keywords: Chagas disease, Chalcone, Coumarin, Cytotoxicity, Natural products, Structure-activity relationship, Trypanosoma cruzi.
Abstract: With the aim of finding new chemical entities based on coumarin and chalcone scaffolds, new hybrid compounds 2-5 were designed and synthesized. The trypanocidal activity of these compounds was tested against the epimastigote, trypomastigote and amastigote stages of the Trypanosoma cruzi parasite. Cytotoxicity assays were also performed in RAW 264.7 and VERO cells. Compound 5 presented the highest trypanocidal activity of the series, with trypanocidal values higher than nifurtimox for the trypomastigote and epimastigote stages., but presenting cytotoxic effects in the mammalian cells. A SAR study suggested that methoxy substitution at positions 2 and 5 in the designed scaffold seemed to be a key feature for the trypanocidal activity. Therefore, the coumarin-chalcone scaffold can be taken into account for further lead optimization and design new and more effective trypanocidal compounds.
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Vazquez-Rodriguez Saleta, Guíñez F. Roberto, Matos J. Maria, Olea-Azar Claudio, Maya D. Juan, Uriarte Eugenio and Santana Lourdes, Facing Chagas’ Disease: Trypanocidal Properties of New Coumarinchalcone Scaffolds, Medicinal Chemistry 2016; 12 (6) . https://dx.doi.org/10.2174/1573406412666160107111809
DOI https://dx.doi.org/10.2174/1573406412666160107111809 |
Print ISSN 1573-4064 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6638 |
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