Two new diastereomeric sauchinones (2, 3), along with the known sauchinone (1), a phenylpropanoid (sarisan), and two known lignans (galbacin and saucernetin), were isolated from the n-hexane fraction of Saururus chinensis using reversed-phase HPLC. The stereostructures of the lignans, sauchinone A
From the relatively more lipophilic fraction of the extract of Saururus cernuus, seven neolignans were isolated of which three, named (-)-saururin, (-)-saururenin, and (+)-saururinone, are new and belong to the 1,4-diaryl-2,3-dimethylbutane group, with saururinone being a novel ketoneolignan. The