Eucalmaidins A−E, (+)-Oleuropeic Acid Derivatives from the Fresh Leaves of Eucalyptus maideni

Journal of Natural Products
2009.0

Abstract

Five new (+)-oleuropeic acid derivatives, eucalmaidins A-E (1-5), together with 12 known compounds (6-17), were isolated from the fresh leaves of Eucalyptus maideni. Structures of the new compounds were determined on the basis of spectroscopic analyses (HSQC, HMBC, and (1)H-(1)H COSY), chemical degradation, and enzymatic hydrolysis. Of the tested compounds, only quercetin showed slight anti-herpes simplex virus 1 (HSV-1) activity in vitro.

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