Euphosantianane A–D: Antiproliferative premyrsinane diterpenoids from the endemic Egyptian plant euphorbia sanctae-catharinae
Date
2018
Journal Title
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Abstract
Euphorbia species are rich in diterpenes. A solvent extraction of Euphorbia sanctae-catharinae, a species indigenous to the Southern Sinai of Egypt, afforded several premyrsinane diterpenoids (1–4) as well as previously reported metabolites (5–13) that included three flavonoids. Isolated compounds were chemically characterized by spectroscopic analysis. Identified compounds were bioassayed for anti-proliferative activity in vitro against colon (Caco-2) and lung (A549) tumor cell lines. Compound 9 exhibited robust anti-proliferative activity against A549 cells (IC50 = 3.3 µM). Absolute configurations for 8 versus 9 were determined by experimental and TDDFT-calculated electronic circular dichorism (ECD) spectra.
Description
© 2018 by the authors. cc-by
Keywords
Diterpenes, Euphorbia sanctae-catharinae, Euphorbiaceae, Flavonoids, TDDTF-ECD, Tumor anti-proliferative activity
Citation
Hegazy, M.-E.F., Hamed, A.R., Ibrahim, M.A.A., Talat, Z., Reda, E.H., Abdel-Azim, N.S., Hammouda, F.M., Nakamura, S., Matsuda, H., Haggag, E.G., Pare, P.W., & Efferth, T.. 2018. Euphosantianane A–D: Antiproliferative premyrsinane diterpenoids from the endemic Egyptian plant euphorbia sanctae-catharinae. Molecules, 23(9). https://doi.org/10.3390/molecules23092221