Abstract
New oleanane alcohols and their acetates were prepared using classical reductive reagents (LiAlH4, NaBH4, and B2H6-DMS). In this research, we also studied the influence of these reagents on the stereoselectivity of reduction. All compounds prepared were fully characterized by 1H and 13C NMR spectra, IR spectra, MS, and elemental analysis. These products were tested for cytotoxic activity against T-lymphoblastic leukemia (CEM), human erythromyeloblastoid leukemia (K562), and human melanoma (SK-MEL1) cell lines. One of the compounds prepared exhibits significant cytotoxic activity against the mesenchymal type of cancer cell lines.
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Acknowledgments
This study was supported by A/CZ0046/1/0022 of FM EEA/Norska, the Czech Science Foundation (203/05/P025 and 305/09/1216), and GAAS KAN200200651. Indirect costs were paid from the Czech Ministry of Education (MSM 6198959216). We are grateful to Stanislav Hilgard for measurement of IR spectra. We also thank Bohunka Sperlichova for measurement of optical rotation.
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Kvasnica, M., Rudovska, I., Hajduch, M. et al. Preparation of new 18α-oleanane alcohols: synthesis, characterization, and cytotoxic activity. Monatsh Chem 141, 233–244 (2010). https://doi.org/10.1007/s00706-009-0249-9
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DOI: https://doi.org/10.1007/s00706-009-0249-9