Two novel A-<Emphasis Type="Italic">seco</Emphasis>-rearranged lanostane triterpenoids from <Emphasis Type="Italic">Abies sachalinensis</Emphasis> |
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| Authors: | Bohang Sun Bailing Hou Jian Huang Lijun Wu Masonori Kuroyanagi Huiyuan Gao |
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| Institution: | (1) School of Traditional Chinese Medicines, Shenyang Pharmaceutical University, No.103, Wenhua Road, Shenhe District, Shenyang, 110016, P.R. China;(2) Faculty of Life and Environment School, Prefectural University of Hiroshima, 560 Nanatsuka, Shobara, Hiroshima 727-0023, Japan;(3) School of Traditional Chinese Medicines, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, 110016, China |
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| Abstract: | Further chemical study led to two new A-seco-rearranged lanostane triterpenoid derivatives (1–2) and one known compound Abiesanolide C (3) from the ethyl acetate (EtOAc) soluble fraction of the MeOH extract of Abies sachalinensis needles. The new compounds were identified as 3,4-seco-8-(14→13R)abeo-17,13-friedo-9β-lanosta-4(28), 7, 14, 24-tetraen-26,23-olide-23-hydroxy-3-oic acid and methyl-3,4-seco-8-(14→13R) abeo-17,13-friedo-9β-lanosta-4(28), 7, 14, 24-tetraen-26,23-olide-23-hydroxy-3-oate, respectively. Structural determination of these compounds
were carried out by the spectral studies especially by the two digital (2D)-NMR and high-resolution (HR)-MS experiences. |
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| Keywords: | Abies sachalinensis Rearranged lanostane A-seco-lanostane |
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