Synthesis, antiproliferative and antifungal activities of 1,2,3-triazole-substituted carnosic acid and carnosol derivatives
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Abietane diterpenes exhibit an array of interesting biological activities, which
have generated significant interest among the pharmacological community. Starting from
the abietane diterpenes carnosic acid and carnosol, twenty four new triazole derivatives were
synthesized using click chemistry. The compounds differ in the length of the linker and the
substituent on the triazole moiety. The compounds were assessed as antiproliferative and
antifungal agents. The antiproliferative activity was determined on normal lung fibroblasts
(MRC-5), gastric epithelial adenocarcinoma (AGS), lung cancer (SK-MES-1) and bladder
carcinoma (J82) cells while the antifungal activity was assessed against Candida albicans
ATCC 10231 and Cryptococcus neoformans ATCC 32264. The carnosic acid γ-lactone
derivatives 1–3 were the most active antiproliferative compounds of the series, with IC50
values in the range of 43.4–46.9 μM and 39.2–48.9 μM for MRC-5 and AGS cells,
respectively. Regarding antifungal activity, C. neoformans was the most sensitive fungus,
with nine compounds inhibiting more than 50% of its fungal growth at concentrations
≤250 µg·mL−1
. Compound 22, possessing a p-Br-benzyl substituent on the triazole ring,showed the best activity (91% growth inhibition) at 250 µg·mL−1
In turn, six compounds inhibited 50% C. albicans growth at concentrations lower than 250 µg·mL−1.
Para citar este articulo: Pertino, M.W.; Theoduloz, C.; Butassi, E.; Zacchino, S.; Schmeda-Hirschmann, G. Synthesis, Antiproliferative and Antifungal Activities of 1,2,3-Triazole-Substituted Carnosic Acid and Carnosol Derivatives. Molecules 2015, 20, 8666-8686.
Para citar este articulo: Pertino, M.W.; Theoduloz, C.; Butassi, E.; Zacchino, S.; Schmeda-Hirschmann, G. Synthesis, Antiproliferative and Antifungal Activities of 1,2,3-Triazole-Substituted Carnosic Acid and Carnosol Derivatives. Molecules 2015, 20, 8666-8686.
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