Synthesis, leishmanicidal, trypanocidal and cytotoxic activities of quinoline-chalcone and quinoline-chromone hybrids
作者:Juan C. Coa、Elisa García、Miguel Carda、Raúl Agut、Iván D. Vélez、July A. Muñoz、Lina M. Yepes、Sara M. Robledo、Wilson I. Cardona
DOI:10.1007/s00044-017-1846-5
日期:2017.7
We report herein the synthesis and biological activities (cytotoxicity, leishmanicidal and trypanocidal) of six quinoline-chalcone and five quinoline-chromone hybrids. The synthesized compounds were evaluated against amastigotes forms of Leishmania (V) panamensis, which is the most prevalent Leishmania species in Colombia and Trypanosoma cruzi, which is the major pathogenic species to humans. Cytotoxicity was evaluated against human U-937 macrophages. Compounds 8-12, 20, 23 and 24 showed activity against Leishmania (V) panamensis, while compounds 9, 10, 12, 20 and 23 had activity against Trypanosoma cruzi with EC50 values lower than 18 mg mL(-1). 20 was the most active compound for both Leishmania (V) panamensis and Trypanosoma cruzi with EC50 of 6.11 +/- 0.26 mu g mL(-1) (16.91 mu M) and 4.09 +/- 0.24 (11.32 mu M), respectively. All hybrids compounds showed better activity than the anti-leishmanial drug meglumine antimoniate. Compounds 20 and 23 showed higher activity than benznidazole, the current anti-trypanosomal drug. Although these compounds showed toxicity for mammalian U-937 cells,they still have the potential to be considered as candidates to antileishmanial or trypanocydal drug development.
Synthesis and antiprotozoal activity of furanchalcone–quinoline, furanchalcone–chromone and furanchalcone–imidazole hybrids
作者:Elisa García、Juan C. Coa、Elver Otero、Miguel Carda、Iván D. Vélez、Sara M. Robledo、Wilson I. Cardona
DOI:10.1007/s00044-017-2076-6
日期:2018.2
showed better activity than meglumine antimoniate and the anti-trypanosomal activity of nine compounds were higher than benznidazole. Although these compounds showed toxicity for mammalian U-937 cells, they still have the potential to be considered as candidates for antileishmanial or trypanocydal drug development. There is not a clear relationship between the antiprotozoalactivity and the length