Ching-Jen Ho

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An acetone extract of the fruits of the Taiwanese medicinal plant Schisandra arisanensis has yielded 11 new oxygenated lignans. Four of these, named arisantetralones A-D (1-4), possess the aryltetralone skeleton, while the other seven, named arisanschinins F-L (5-11), are polyoxygenated C(18)-dibenzocyclooctadiene lignans. Structures were determined on the(More)
Two new diterpenoids, designated cespitulactones A (1) and B (2), were isolated from a sample of the soft coral Cespitularia taeniata collected in Taiwan. Compound 1 possesses a novel structure with a bond cleavage between C-10 and C-11, and having a 14-membered lactone ring junction between C-10 and C-12. Their structures were elucidated on the basis of(More)
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