Author(s): Wang CR, Sun R, Yanga CR, Chen YG, Song HC
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Abstract Two new lignans, (8R,8'R)-8- hydroxy-3,4-dimethoxy-3',4'-methylenedioxy-7-oxolignan (1) and (7'R,8'S)-3,4-methylenedioxy-3',4'-dimethoxy -7,8-seco-7,7'-epoxylignan-7,8-dione (2), were isolated from the EtOAc extract of the fruits of Schisandra sphenanthera, along with ten known compounds. The structures of these compounds were elucidated on the basis of NMR and MS analysis. This is the first report of the occurrence of secolignans in Schisandra.
This article was published in Nat Prod Commun
and referenced in Natural Products Chemistry & Research