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Article Dans Une Revue Natural Product Research Année : 2022

Seven compounds from Portulaca oleracea L. and their anticholinesterase activities

Résumé

A novel lignan, identified as 4-(3,4-dihydroxyphenyl)-6,7-dimethoxy-3a,4-dihydronaphtho[2,3-c]furan-1(3H)-one, named oleralignan A (1), together with six known compounds, loliolide (2), isololiolide (3), dehydrololiolide (4), daphnetin (5), esculetin (6), and trans-coumaric acid methyl ester (7) was obtained from Portulaca oleracea L., while compounds 3, 4, and 6-7 were isolated from the plant for the first time. Their structures were elucidated using spectroscopic methods, including one-and two-dimensional NMR and high-resolution electrospray ionization time-of-flight mass spectrometry. In addition, the results of activity assay demonstrated that compounds 1-7 have anticholinesterase activities.
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Dates et versions

hal-03216986 , version 1 (04-05-2021)

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Wen Xu, Jianhua Wang, Baozhao Ju, Xiujuan Lan, Xixiang Ying, et al.. Seven compounds from Portulaca oleracea L. and their anticholinesterase activities. Natural Product Research, 2022, 36, pp.2547-2553. ⟨10.1080/14786419.2021.1916928⟩. ⟨hal-03216986⟩
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