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Citation:
Hui Yuan Gao, Jian Huang, Bo Hang Sun, Masonori Kuroyanagi, Li Jun Wu. Two new lanostane triterpenoids from Abies sachalinensis [J]. Chinese Chemical Letters,
;2008, 19(12): 1447-1449.
doi:
10.1016/j.cclet.2008.09.035
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The continuous chemical investigation on the ethyl acetate (EtOAc) soluble fraction of the MeOH extract afforded two new lanostane triterpenoid derivatives including one with a rearranged lanostane skeleton. They were identified as 3,4-seco-8-(14→13R)abeo-17,13-friedo-9β-lanosta-4(28), 7,14(30),24-tetraen-26,23-olide-23-hydroxy-3-oic acid (1) and 7,14-mariesadien-3α-hydroxy-25-methoxy-26-oic acid (2). Structural determination of these compounds were carried out by the spectral studies especially by the two digital (2D)-NMR and high-resolution MS experiences.
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