Two new compounds from Schisandra glaucescens
2013
One new lignan (7S,8R,7′R,8′R)-7-(3,4-methylenedioxyphenyl)-8,8′-dimethyl-8′-hydroxyl-7′-methoxyl-7′-(3′,4′-methylenedioxyphenyl)-tetrahydrofuran (1), one new sesquiterpene 2-hydroxy-11,12-dehydrocalamenene (2), one new natural product erythro-1-(3,4-dimethoxyphenyl)-4-(3,4-methylenedioxyphenyl)-2,3-dimethyl-butane (3), and two known lignans (+)-anwulignan(erythro-1-(4-hydroxy-3-methoxyphenyl)-4-(3,4-methylenedioxyphenyl)-2,3-dimethyl-butane) (4) and ( − )-zuonin-A (5) were isolated from the stems of Schisandra glaucescens Diels. Their structures were elucidated by spectroscopic methods. The cytotoxicity of compounds 1 and 2 was assayed.
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