Diastereomeric Quinolinone Alkaloids from the Marine-Derived Fungus Penicillium janczewskii
Journal of Natural Products2005Vol. 68(9), pp. 1397–1399
Citations Over TimeTop 10% of 2005 papers
Jian He, Ulrich Lion, Isabel Sattler, Friedrich A. Gollmick, Susanne Grabley, Jingmin rer. nat. Cai, Marinus Meiners, Henning Schünke, Karsten Schaumann, Ute Dechert, Michael Krohn
Abstract
From Penicillium janczewskii, obtained from a marine sample, two new diastereomeric quinolinones, 3S,4R-dihydroxy-4-(4'-methoxyphenyl)-3,4-dihydro-2(1H)-quinolinone (1) and 3R,4R-dihydroxy-4-(4'-methoxyphenyl)-3,4-dihydro-2(1H)-quinolinone (2), were identified, along with two known alkaloids, peniprequinolone (3) and 3-methoxy-4-hydroxy-4-(4'-methoxyphenyl)-3,4-dihydro-2(1H)-quinolinone (4). Cytotoxicity testing on eight tumor cell lines revealed a moderate specificity of 2 on SKOV-3 cells.
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