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  • Title: Konishiol, a new sesquiterpene, and bioactive components from Cunninghamia konishii.
    Author: He K, Shi G, Zeng L, Ye Q, McLaughlin JL.
    Journal: Planta Med; 1997 Apr; 63(2):158-60. PubMed ID: 9140232.
    Abstract:
    Three sesquiterpenes, konishiol (1), cadalenol (2), 3-cedranol (3), one diterpene, manool (4), and one lignan, (+)-tsugacetal (5), have been isolated, for the first time, from the whole plant of Cunninghamia konishii by using bioactivity-directed fractionation. Compound 1 is new to the literature, and its chemical structure was determined by various spectroscopic analyses including EIMS, HREIMS, NOE, NOESY, and by preparing its di-acetyl derivative (1a). Compounds 2-5 showed moderate to weak bioactivities in brine shrimp (BST) and mosquito larvae (YFM) bioassays as well as cytotoxicities against three human solid tumor cell lines.
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