Phenylpropionamides, Piperidine, and Phenolic Derivatives from the Fruit of Ailanthus Altissima
Overview
Affiliations
Four novel compounds-two phenylpropionamides, one piperidine, and one phenolic derivatives-were isolated and identified from the fruit of a medicinal plant, (Mill.) Swingle (Simaroubaceae), together with one known phenylpropionamide, 13 known phenols, and 10 flavonoids. The structures of the new compounds were elucidated as 2-hydroxy--[(2--β-d-glucopyranosyl)phenyl]propionamide (), 2-hydroxy--[(2--β-d-glucopyranosyl-(1→6)-β-d-glucopyranosyl)phenyl]propionamide (), 2β-carboxyl-piperidine-4β-acetic acid methyl ester (), and 4-hydroxyphenyl-1--[6-(hydrogen-3-hydroxy-3-methylpentanedioate)]-β-d-glucopyranoside () based on spectroscopic analysis. All the isolated compounds were evaluated for their inhibitory activity against (TMV) using the leaf-disc method. Among the compounds isolated, arbutin (), β-d-glucopyranosyl-(1→6)-arbutin (), 4-methoxyphenylacetic acid (), and corilagin () showed moderate inhibition against TMV with IC values of 0.49, 0.51, 0.27, and 0.45 mM, respectively.
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