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A new dihydrobenzofuran neolignan, herpepropenal, was isolated from the seeds of Herpetospermum caudigerum. Its chemical structure was established based on spectroscopic analysis. In this work, the inhibitory effects of herpepropenal on hepatitis B virus DNA and on the replication and expression of
Fructus Schizandrae sinensis Baill, a traditional Chinese medicine, used as tonic and sedative, has been shown at the beginning of 70's to lower the elevated serum glutamic-pyruvic transaminase (SGPT) levels of patients suffering from chronic viral hepatitis. During past 20 years, a series of
Two new lignans, dihydrodehydrodiconiferyl alcohol 9-O-β-D-(3″-O-acetyl)-xylopyranoside (1) and threo-4,9,9'-trihydroxy-3,3'-dimethoxy-8-O-4'-neolignan 7-O-α-rhamnopyranoside (2) were isolated from Illicium henryi, together with ten known compounds, 3-12. Their structures were elucidated by