Two New C13 nor-Isoprenoids from the Leaves of Casearia sylvestris
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概要
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Two new C13 nor-isoprene glycosides, (6S,9S)-6,9-dihydroxymegastiman-4-en-9-O-β-D-glucopyranoside (1) and (6S,9S)-6,9-dihydroxymegastiman-4-en-9-O-β-D-apiofuranosyl-(1→6)-β-D-glucopyranoside (2) were isolated from the leaves of Casearia sylvestris, along with icariside B5 (3), byzantionoside B (4), blumenol B (5), blumenol C (6) and loliolide (7). The structures of these compounds were determined on the basis of 1D and 2D NMR, MS and circular dichroism (CD) spectroscopic analyses, chemical methods and comparison with the literature data.
著者
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Li Xing-Cong
National Center for Natural Products Research, Research Institute of Pharmaceutical Sciences, School
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Wang Wei
National Center for Natural Products Research, Research Institute of Pharmaceutical Sciences, Univer
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Ali Zulfiqar
National Center for Natural Products Research, Research Institute of Pharmaceutical Sciences, Univer
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Khan Ikhlas
National Center for Natural Products Research, Research Institute of Pharmaceutical Sciences, Univer
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Khan Ikhlas
National Cente For Natural Products Research Research Institute Of Pharmaceutical Sciences:departmen
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Li Xing-Cong
National Center for Natural Products Research, Research Institute of Pharmaceutical Sciences, University of Mississippi
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Wang Wei
National Center for Natural Products Research, Research Institute of Pharmaceutical Sciences, University of Mississippi
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Ali Zulfiqar
National Center for Natural Products Research, Research Institute of Pharmaceutical Sciences, University of Mississippi
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Khan Ikhlas
National Center for Natural Products Research, Research Institute of Pharmaceutical Sciences, University of Mississippi
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