A novel anti-HBeAg homolignan, taiwanschirin D from Kadsura matsudai.

Abstract

A novel C19 homolignan, taiwanschirin D (1), possessing a 3,4-(1-[(Z)-2-methoxy-2-oxoethylidenel)pentano (2,3-dihydrobenzo[b]furan)-3(2-oxoacetate) skeleton, was isolated from the stem of Kadsura matsudai Hayata. Its structure was determined from physical and spectral data including 2D NMR spectra. The Anti-HBeAg test revealed that taiwanschirin D (1) had moderate activity at a concentration of 94.3 microM (50 microg/ml).

Topics

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