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A Customizable Approach for the Enzymatic Production and Purification of Diterpenoid Natural Products
Published on: October 4, 2019
Diterpene glycosides from the ethanol extract of Diplopterygium rufopilosum
1a College of Biological Resources and Environment Science, Qujing Normal University , Qujing 655011 , China.
Abstract:
A phytochemical investigation on the 70% EtOH extract from the dry fronds of Diplopterygium rufopilosum afforded two new labdane-type diterpene glycosides, (3β,13S)-3-O-β-d-glucopyranosyl-13-O-α-l-rhamnopyranosyl-labda-8(17),14-diene (1) and (3β,13S)-3-O-α-l-rhamnopyranosyl-13-O-[6-O-acetyl-β-d-glucopyranosyl-(1 → 4)-2-O-acetyl-α-l-rhamnopyranosyl]-labda-8(17),14-diene (2). Their structures were determined on the basis of chemical method and spectroscopic analyses, including 1D and 2D NMR (COSY, HMQC, HMBC, and NOESY) and HR-ESI-MS analyses.
