Journal
JOURNAL OF NATURAL PRODUCTS
Volume 70, Issue 9, Pages 1536-1538Publisher
AMER CHEMICAL SOC
DOI: 10.1021/np070293a
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A new dimeric aporphine alkaloid, bidebiline E (1), and a new natural product, octadeca-9,11,13-triynoic acid (2), along with three known sesquiterpenes, alpha-humulene (3), caryophyllene oxide (4), and (-)-alpha-cadinol (5), and four known isoquinoline alkaloids, laudanosine (6), codamine (7), laudanidine (8), and reticuline (9), were isolated from the roots of Polyalthia cerasoides. The structures of compounds 1 and 2 were established on the basis of their ID and 2D NMR spectroscopic data. Among these isolates, 1, 2, 4, 7, and 8 exhibited antimalarial activity against Plasmodium falciparum, while 1-3 showed antimycobacterial activity against Mycobacterium tuberculosis using in vitro assays.
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