2014•PubMedRequires access

[Two new compounds from Dryopteris fragrans].

Yanlong Zhang, Jianping Li, Guoyu Li

Abstract

OBJECTIVE: To study the chemical constituents of Dryopteris fragrans. METHODS: Two new compounds were isolated and purified from this plant by column chromatography and their structures were elucidated through spectroscopic analysis. RESULTS: Two new compounds were identified as trans-S-trans-p-hydroxy cinamic acid-9-beta-D-xylpyranosyl (1 --> 2) -beta-D-glucopyranosyl ester, methyl-2-eth-yl-6-((3, 4, 5-trihydroxy-6-(hydroxymethyl) tetrahydro-2H-pyran-2-yl) oxy) benzoate. CONCLUSION: Compounds 1 and 2 are new and named fragranoside J and fragranoside K.

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Key concepts: Column chromatography, Hydroxymethyl, Dryopteris, Chemistry, Stereochemistry, Chemical constituents, Chromatography, Botany