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2007:
Huang Sheng-Xiong; Yang Jing; Huang Hao; Li Li-Mei; Xiao Wei-Lie; Li Rong-Tao; Sun Han-Dong
Structural characterization of schintrilactone, a new class of nortriterpenoids from Schisandra chinensis.
Organic letters 2007;
9(
21):.
Two new nortriterpenoids, designated as schintrilactones A (1) and B (2), with modified five-membered D ring and delta-lactone E ring, were isolated from Schisandra chinensis. Their structures were determined to have a unique carbon skeleton by elucidation of spectroscopic evidence and density functional theory calculations of circular dichroism. Schintrilactones A and B occur as a pair of configurationally unstable and thus slowly interconverting diastereomers.
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