Phenolic glycosides from Sanguisorba officinalis and their anti-inflammatory effects.

Natural Product Research
Jin-Feng ChenDa-Le Guo

Abstract

Two new phenolic glycosides 7R,8R-threo-4,7,9,9'-tetrahydroxy-3-methoxy-8-O-4'-neolignan-3'-O-(3''-α-L-arabinofuranosyl)-β-D-glucopyranoside. (1), 4-(4'-hydroxyphenyl)-2-butanone-4''-O-(6-β-D-xylosyl)-β-D-glucopyranoside (2), along with two known related analogues 7R,8R-threo-4,7,9,9'-tetrahydroxy-3-methoxy-8-O-4'-neolignan-3'-O-β-D-glucopyranoside (3), 4-(4'-hydroxyphenyl)-2-butanone-4'-O-β-D-glucopyranoside (4) were obtained from the roots of Sanguisorba officinalis. Combined with acid hydrolysis derivatization, the absolute configurations of these new compounds were elucidated by comprehensive analyses of spectroscopic data including nuclear magnetic resonance (NMR), electrospray ionization high resolution mass (HRESIMS) as well as circular dichroism (CD). Compounds 1-4 exhibited anti-inflammatory properties in vitro by attenuating the production of inflammatory mediators, such as nitric oxide (NO) as well as tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6).

References

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Aug 14, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Da-Le GuoYun Deng
Jan 1, 2016·Pharmaceutical Chemistry Journal·Anna Gawron-GzellaNatalia Skrodzka

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