Planta Medica 2003-Nov
A new indolizinone from Polygonatum kingianum.
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A new indolizinone, namely kinganone (1) together with 3-ethoxymethyl-5,6,7,8-tetrahydro-8-indolizinone (2) and isomucronulatol (3) were isolated from the rhizome of Polygonatum kingianum. Their structures were elucidated mainly on the basis of spectral data. Indolizinones 1 and 2 showed weak antibacterial and antifungal activities when compared to rifampicin and amphotericin, respectively, in the agar diffusion assay.
