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  • Title: Aporphine alkaloids and cytotoxic lignans from the roots of Illigera luzonensis.
    Author: Chen JJ, Hung HC, Sung PJ, Chen IS, Kuo WL.
    Journal: Phytochemistry; 2011 Apr; 72(6):523-32. PubMed ID: 21315382.
    Abstract:
    Six aporphine alkaloids, (+)-(S)-N-butyrylcaaverine (1), (+)-(S)-N-propionylcaaverine (2), (+)-(S)-N-acetylcaaverine (3), (+)-(6aR,7R)-N-butyrylnorushinsunine (4), (+)-(6aR,7R,E)-N-(but-2-enoyl)norushinsunine (5), and N-formyldehydrocaaverine (6) were isolated from the roots of Illigera luzonensis, together with 16 known compounds. Their structures were determined through spectroscopic and MS analyses. Among the isolates, (-)-deoxypodophyllotoxin (13) was the most cytotoxic, with IC(50) values of 0.0057, 0.0067, 0.00004, and 0.0035μg/mL, respectively, against DLD-1, CCRF-CEM, HL-60, and IMR-32 cell lines. In addition, (-)-yatein (12) exhibited cytotoxic effects, with IC(50) values of 0.81, 0.20, and 0.59μg/mL, respectively, against DLD-1, CCRF-CEM, and HL-60 cell lines.
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