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. 2024 Jun;49(12):3242-3251.
doi: 10.19540/j.cnki.cjcmm.20240319.201.

[Two new glycosides from Hypericum elatoides]

[Article in Chinese]
Affiliations

[Two new glycosides from Hypericum elatoides]

[Article in Chinese]
Zi-Xuan Wang et al. Zhongguo Zhong Yao Za Zhi. 2024 Jun.

Abstract

The column chromatography with silica gel, reversed-phase C_(18), and Sephadex LH-20 was employed to separate the methanol extract of the aerial parts of Hypericum elatoides. The compounds were identified by the comprehensive analysis of IR, NMR, and MS data as methyl 8-O-β-D-glucopyranosyl-(Z)-5-octenoate(1), methyl 3-O-β-D-glucopyranosyl-4-methylhexanoate(2), byzantionoside B(3), 9-epi-blumenol C glucoside(4), corchoionoside C(5),(6S,9R)-roseoside(6), cis-p-coumaric acid 4-O-β-D-glucopyranoside(7), trans-p-coumaric acid 4-O-β-D-glucopyranoside(8), methyl 3-(4-hydroxyphenyl)propanoate(9),(E)-chlorogenic acid methyl ester(10), quercetin-3-O-β-D-glucopyranoside(11), β-sitosterol(12), stigmasterol(13), stigmast-4-en-3-one(14), β-amyrin(15), daucosterol(16), sitoindoside Ⅰ(17), oleic acid(18), methyl α-linolenate(19), trilinolein(20), and cassipourol(21). Among them, compounds 1 and 2 were identified as new glycosides and named hyperelatosides G and H. Compounds 3-5, 7-9, 17, and 20-21 were isolated from the genus Hypericum for the first time. The remaining compounds were isolated from H. elatoides for the first time. The results of biological assays revealed that compound 11 exhibited significant anti-neuroinflammatory activity, and compounds 1, 3, and 19 displayed certain neuroprotective effects.

Keywords: H. elatoides; Hypericum; chemical constituents; hyperelatoside G; hyperelatoside H.

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