| Literature DB >> 26531854 |
Dan Zhang1, An-Jun Deng1, Lin Ma1, Zhi-Hong Li1, Zhi-Hui Zhang1, Jian-Dong Jiang1,2, Hai-Lin Qin1.
Abstract
Two new compounds of phenylpropanoids, (S)-N-((1R,2S)-1-hydroxy-1-phenylpropan-2-yl)-5-oxopyrrolidine-2-carboxamide (1) and (3R)-3-O-β-d-glucopyranosyl-3-phenylpropanoic acid (2), were isolated from the stems of Ephedra sinica. Their structures were elucidated by in-depth examination of spectroscopic data, mainly including those from the 1D and 2D NMR and HRESIMS techniques, and chemical method. The absolute configurations of the two compounds were also corroborated through CD procedure.Entities:
Keywords: Ephedra sinica; Ephedraceae; amphetamine-type alkaloid; glycoside of phenylpropanoic acid
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Year: 2015 PMID： 26531854 DOI： 10.1080/10286020.2015.1070831
Source DB: PubMed Journal: J Asian Nat Prod Res ISSN： 1028-6020 Impact factor: 1.569