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. 1994 Dec;57(12):1675-81.
doi: 10.1021/np50114a009.

Cytotoxic aromatic triterpenes from Maytenus ilicifolia and Maytenus chuchuhuasca

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Cytotoxic aromatic triterpenes from Maytenus ilicifolia and Maytenus chuchuhuasca

O Shirota et al. J Nat Prod. 1994 Dec.

Abstract

The isolation and structure elucidation of four cytotoxic aromatic triterpenes [1-4] along with three known quinoid triterpenes [5-7] from the South American medicinal plants Maytenus ilicifolia and M. chuchuhuasca are described. The structures of these aromatic triterpenes contained aromatized A rings and C-6 oxygenated B rings, and were elucidated by 1H- and 13C-nmr spectroscopic studies and by X-ray crystallographic analysis of 3.

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