Abstract
Chemical investigation of an Antarctic deep-sea derived fungus Penicillium sp. PR19 N-1 yielded five new eremophilane-type sesquiterpenes 1–5 and a new rare lactam-type eremophilane 6, together with three known compounds 7–9. The structures of these diverse sesquiterpenes were determined by extensive NMR and mass spectroscopic analyses. Compounds 1, 2, 4–6, 8 and 9 were evaluated for their cytotoxities against HL-60 and A-549 human cancer cell lines, and 5 was the most active one with IC50 value of 5.2 μM against the A-549 cells.
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Acknowledgments
This study was financially supported by the National Natural Science Fundation of China (Nos. 41376147 and 41176120), the National High Technology Research and Development Program of China (No. 2013AA092901), the Chinese Polar Environment Comprehensive Investigation & Assessment Programmes (CHINARE2013-01-06-06), and the Program for New Century Excellent Talents in University (No. NCET-12-0499), the public Projects of State Oceanic Administration (No. 2010418022-3), the Promotive Research Fund for Excellent Young and Middle-aged Scientisits of Shandong Province (No. BS2010HZ027), and the Program for Changjiang Scholars and Innovative Research Team in University (No. IRT0944). We also thank A.R. Pereira (Scripps Institution of Oceanography, La Jolla) for helping with the manuscript preparation.
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Lin, A., Wu, G., Gu, Q. et al. New eremophilane-type sesquiterpenes from an Antarctic deep-sea derived fungus, Penicillium sp. PR19 N-1. Arch. Pharm. Res. 37, 839–844 (2014). https://doi.org/10.1007/s12272-013-0246-8
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DOI: https://doi.org/10.1007/s12272-013-0246-8