全部文献期刊会议图书|学者科研项目
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作者:Hongquan Duan , Dexin Kong
来源:[J].Inflammation(IF 2.457), 2017, Vol.40 (6), pp.1967-1974
摘要:1,6- O , O -Diacetylbritannilactone (OODBL), a plant sesquiterpene lactone, was previously reported to show multiple pharmacological effects such as anti-cancer and anti-inflammatory activities. In this study, we investigated the anti-inflammatory effect of OODBL on interleukin (...
作者:... Liming Chen , Hongquan Duan , Wenyan Niu
来源:[J].Biochemical and Biophysical Research Communications(IF 2.406), 2020, Vol.521 (3), pp.625-631
摘要:Abstract(#br)Adipose tissue hypoxia occurs early in obesity and is associated with increased tissue macrophages and systemic inflammation that impacts muscle insulin responsiveness. We investigated how hypoxia interacted with adipocyte-macrophage crosstalk and inflammatory c...
作者:Hongquan Duan , Yi Wang
来源:[J].Bioorganic & Medicinal Chemistry Letters(IF 2.338), 2017
摘要:Abstract(#br)Five new diterpenoid glycosides, siegesides A–E ( 1 - 5 ), along with the known compound darutoside ( 6 ) were isolated and characterized from the ethanol extract of Siegesbeckia pubescens . The structural elucidation of the isolates was accomplished by extensiv...
作者:Hongquan Duan , Yoshihisa Takaishi ...
来源:[J].Tetrahedron(IF 2.803), 2001, Vol.57 (40), pp.8413-8424
摘要:Abstract(#br)The clinically used extract (T Π ) of Tripterygium wilfordii Hook f. give 19 new compounds, including five kaurane diterpenes ( 1 – 5 ), one manoyl oxide diterpene ( 6 ), and one abietane diterpene ( 7 ), three ursene triterpenes ( 8 , 9 and 15 ), six oleanane t...
作者:Hongquan Duan , Yoshihisa Takaishi ...
来源:[J].Phytochemistry(IF 3.05), 2000, Vol.53 (7), pp.805-810
摘要:Abstract(#br)The extract (T II ) of Tripterygium wilfordii Hook f. afforded four triterpenoids: wilforic acid D (3β,24-epoxy-2α-hydroxy-24R ∗ -ethoxy-29-friedelanoic acid); (E) 3β,24-epoxy-2-oxo-3α-hydroxy-29-friedelanoic acid; (F) 2β-hydroxy-3-oxo-friedelan-29-oic acid...
作者:Hongquan Duan , Yoshihisa Takaishi
来源:[J].Phytochemistry(IF 3.05), 1998, Vol.49 (7), pp.2185-2189
摘要:Abstract(#br)Esters of four new (hypoglaunine A, B, C and D) and five known sesquiterpene polyalcohol esters have been isolated from the root barks of Tripterygium hypoglaucum . The structures of the new compounds were elucidated at 1,2,5,7,8-pentaacetoxy-11-furanoyl-4-hydro...
作者:Hongquan Duan , Yoshihisa Takaishi
来源:[J].Phytochemistry(IF 3.05), 1999, Vol.52 (8), pp.1735-1738
摘要:Abstract(#br)Esters of three new (hyponines D–F) and two known macrocyclic sesquiterpene pyridine alkaloid esters have been isolated from the root bark of Tripterygium hypoglaucum . The structures of the new alkaloids were elucidated as 7- (acetyloxy)- O 2 -nicotinoyl- O 2 -...
作者:Hongquan Duan , Kazuyoshi Kawazoe , Yoshihisa Takaishi
来源:[J].Phytochemistry(IF 3.05), 1997, Vol.45 (3), pp.617-621
摘要:Abstract(#br)Esters of three new (hyponines A-C) and four known sesquiterpene polyalcohol esters have been isolated from the root bark of Tripterygium hypoglaucum . The structures of the new compounds were elucidated at 7-(acetyloxy)- O 5 -furanoyl- O 5 -deacetyl-7-deoxo-evonine,...
作者:Hongquan Duan , Yoshihisa Takaishi ...
来源:[J].Phytochemistry(IF 3.05), 2002, Vol.59 (1), pp.85-90
摘要:Abstract(#br)The methanol extract of Saussurea medusa Maxim afforded two lignans: 2α-guaicyl-4-oxo-6α-catechyl-3,7-dioxabicyclo [3.3.0]octane and 1α-hydroxy-2α,4α-guaicyl-3,7-dioxabicyclo[3.3.0]octane; two chlorophyll derivatives: 13- epi -phaeophorbide-a and 13- epi -p...
作者:Hongquan Duan , Yoshihisa Takaishi ...
来源:[J].Tetrahedron Letters(IF 2.397), 1999, Vol.40 (15), pp.2969-2972
摘要:Abstract(#br)Two new sesquiterpene polyol esters (triptonine A and B) with alkaloid and monoterpene were isolated from Tripterygium hypoglaucum (Levl.) Hutch. Their structures were elucidated by spectroscopic means and X-ray analysis. Triptonine A ( 1 ) and hypoglaunine B 3)...

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