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  • Title: New guaianolides from Artemisia anomala.
    Author: Hu ZH, Zhang P, Huang DB, Wu JZ.
    Journal: J Asian Nat Prod Res; 2012; 14(2):111-4. PubMed ID: 22296150.
    Abstract:
    Two new guaianolides artemanomalides A and B were isolated from the aerial parts of Artemisia anomala S. Moore. Their structures were characterized as 2-oxo-5α, 10α-dihydroxy-guaia-3-en-1α, 6β, 7α, 11β H-12, 6-olide (1) and 8α-acetoxy-2-oxo-5α, 10α-dihydroxy-guaia-3, 11(13)-dien-1α, 6β, 7αH-12, 6-olide (2) on the basis of extensive spectroscopic analyses. Compounds 1 and 2 showed inhibitory activities against COX-2 enzyme with IC(50) values of 8.8 and 3.6 μM.
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