To study the chemical constituents of Cephalotaxus oliveri Mast.Eight lignans were isolated from its ethanol extract by various chromatographic and spectral methods,and they were identified as sesquipinsapol B(1),8-hydroxypluviatolide(2),isolariciresinol(3),2-[2-hdroxy-5-(3-hydroxypropyl)-3-methoxyphenyl]-3-(4-hydroxy-3-methoxyphenyl)-1-propanol(4),trans-3-methoxy-3′,7-epoxy-8,4′-oxyneoligna-4,9,9′-triol(5),pinoresinol(6),linderinol(7),ligraminol E(8).Among them,compounds 1,2,4,5,7 and 8 were isolated from Cephalotaxus genus for the first time.
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