Chem Pharm Bull (Tokyo), 2011;59(7):896-7.
PMID: 21720044

Abstract

Pseuduvarines A (1) and B (2), two new dioxoaporphine alkaloids with an amino moiety, were isolated from the stem bark of Pseuduvaria rugosa and their structures were elucidated by combination of 2D-NMR spectroscopic analysis. Pseuduvarines A (1) and B (2) showed cytotoxicity against MCF7, HepG2, and HL-60 (1: IC₅₀, 0.9, 21.7, and >50.0 µM, respectively, 2: IC₅₀ >50.0, 15.7, and 12.4 µM, respectively).

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