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Chemical constituents from Inula wissmanniana and their anti-inflammatory activities
Chunhui Wang,Xufeng Zhang,Panlei Wei,Xiangrong Cheng,Jie Ren,Shi Kai Yan,Wei Dong Zhang,Hui Zi Jin 대한약학회 2013 Archives of Pharmacal Research Vol.36 No.12
Two new inositol derivatives, 4-acetate-1,2,3,5-tetrakis(2-methyl-2-butenoate) inositol (1) and 3-acetate-1,2,4,5-tetrakis(2-methyl-2-butenoate) inositol (2), onenew flavonolignan 23-o-acetylsilychristin A (3), and onenew thymol derivative 3-hydroxy-4-(2-hydroxy-1-methylethyl)benzoic acid (4), along with 13 known compounds,including ten flavonolignans (5–14) and three thymolderivatives (15–17) were isolated from the aerial part ofInula wissmanniana. The structures of new compoundswere elucidated by detailed spectroscopic analysis,including HRESIMS and 2D-NMR spectroscopic data. Allthe compounds were isolated from this plant for the firsttime. The anti-inflammatory activities of the compoundswere tested against LPS-induced NO production in RAW264.7 macrophages.
Five new sesquiterpene lactones from Inula hupehensis
Jie Ren,Jiang Jiang Qin,Xiangrong Cheng,Shi Kai Yan,Hui Zi Jin,Wei Dong Zhang 대한약학회 2013 Archives of Pharmacal Research Vol.36 No.11
Four new pseudoguaianolides (1–4), one newguaianolide (5), together with ten known compounds(6–15) were isolated from the aerial parts of Inula hupehensis. Their structures were elucidated mainly on the basisof 1D and 2D spectroscopic methods and circular dichroismanalysis. In addition, compounds 1–10 and 13 weretested for their inhibitory effects against LPS-induced NOproduction in RAW264.7 macrophages. Compounds 2, 6, 8and 9 exhibited significant inhibitory activities with IC50values in the range of 0.6–6.6 lM.
New Glycosides from Dracocephalum tanguticum Maxim
Qi Zeng,Hui-zi Jin,Ruijie Chang,Jiangjiang Qin,Xiangrong Cheng,Weidong Zhang 대한약학회 2011 Archives of Pharmacal Research Vol.34 No.12
Four new glycosides, luteolin-7-methoxy-3'-O-(3''-O-acetyl)-β-D-gluco pyranuronic acid-6''-methyl ester (1), benzyl-6-[(2E)-2-butenoate]-β-D-glucopyranoside (2), 2-methoxy-4-(2-propen-1-yl)penyl-6-acetate-β-D-glucopyranoside (3), and 2-methoxy-4-(2-propen-1-yl)penyl-6-[(2E)-2-butenoate]-β- D-glucopyranoside (4), along with benzyl-β-D-glucopyranoside (5), 2-methoxy-4-(2-propen-1-yl)penyl-β-D-glucopyranoside (6), and pectolarigenin (7), were isolated from the whole plant of Dracocephalum tanguticum Maxim. The structures of 1-4 were elucidated by detailed spectroscopic analyses, including HR-ESI-MS and 2D NMR spectroscopic data. The inhibitory effects against nitric oxide production in LPS-stimulated RAW264.7 cells of all seven compounds were also evaluated.
Phenylpropanoids and Lignanoids from Euonymus acanthocarpus
Jia Xian Zhu,Hui Zi Jin,Jie Ren,Jiang Jiang Qin,Xiangrong Cheng,Qi Zeng,Fei Zhang,Shi Kai Yan,Wei Dong Zhang 대한약학회 2012 Archives of Pharmacal Research Vol.35 No.10
A new phenylpropanoid derivative (1), along with five phenylpropanoids (2-6), two monoepoxy lignans (8-9), one bisepoxy lignan (10), two cyclolignans (11-12), six neolignans (7, 13-17), two mixed lignan-neolignans (18-19), two lignan glycosides (20-21), and four flavonolignans (22-25), were isolated from the stems and twigs of Euonymus acanthocarpus. Compounds 2-3, 6-8, 12,and 14-25 were obtained from Celastraceae family for the first time, and compounds 5 and 9 were isolated from Euonymus genus for the first time. All the compounds were tested for cytotoxicity against SK-OV-3 and MCG-803 human tumor cell lines. Compounds 3, 10, 12, and 18 showed weak cytotoxicity against SK-OV-3 cell line, and compounds 3-4, 10-13, and 19 showed weak cytotoxicity against MCG-803 cell line.
Three new sesquiterpene lactones from Inula britannica
Xufeng Zhang,Jing-Ling Du,Jie Ren,Feng-Mei Ye,Yang-Guo Xie,Xiangrong Cheng,Shi Kai Yan,Huizi Jin 대한약학회 2015 Archives of Pharmacal Research Vol.38 No.5
One new 1,10-secoeudesmanolide (1), twoeudesmanolides (2 and 3), together with nine knowncompounds (4–12) were isolated from the aerial parts ofInula britannica. The structures of the new compoundswere elucidated by detailed spectroscopic analysis,including HRESIMS and 2D-NMR spectroscopic method. In addition, compounds 1–4 were tested for their inhibitoryeffects against LPS-induced NO production in RAW264.7macrophages.