Two new ceramides from <Emphasis Type="Italic">Zephyranthes candida</Emphasis> |
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| Authors: | Zhiping Wu Yu Chen Xu Feng Bing Xia Ming Wang Yunfa Dong |
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| Institution: | (1) College of Life Science, Nanjing Agricultural University, Nanjing, 210095, P. R. China;(2) Jiangsu Center for Research & Development of Medicinal Plants, Jiangsu Institute of Botany, Chinese Academy of Sciences/Nanjing Botanical Garden Mem. Sun Yat-Sen, Nanjing, 210014, P. R. China; |
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| Abstract: | Two new ceramides were isolated from the bulbs of Zephyranthes candida. Their structures were established as (2S,3S,4R,13E)-1,3,4-trihydroxy-2-(2′R)-2′-hydroxytetracosanoylamino]-13-octadecene, named zephyranamide A (1) and (2S,3S,4R)-1,3,4-trihydroxy-2-octacosanoylaminohexadecene, named zephyranamide B (2). The structures of the new compounds were elucidated by spectral techniques including 1H NMR, 13C NMR, as well as HSQC, HMBC, DEPT, and COSY. |
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