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Journal of natural products

Cytotoxic constituents of the stem bark of Neolitsea acuminatissima.


PMID 11908960

Abstract

Three new eudesmanolide sesquiterpenes, neolitacumone A-C (1-3), and one new benzylisoquinoline alkaloid, neolitacumonine (5), along with 27 known compounds were isolated from the stem bark of Neolitsea acuminatissima. The structures of compounds 1-3 and 5 were established on the basis of spectral and chemical evidence. Compounds 2, 3, and 20 were selectively inhibitory to Hep 2,2,15 cells with IC50 values in the range 0.24-0.04 microg/mL. Compound 20 was marginally cytotoxic to Hep G2 cells.

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