Antioxidant lignans from the seeds of Vitex negundo var. cannabifolia.

abstract：:Ophiopogon japonicus polysaccharide (FOJ-5) from Radix ophiopogonis has shown anti-myocardial ischemic action in vitro and in vivo in our previous studies. In order to clarify the influence of chemical modifications on the action, a series of sulfated FOJ-5 (FOJ-5-S) with different substitution degrees were prepared a...

journal_title：Journal of Asian natural products research

authors： Zheng Q,Feng Y,Xu DS,Lin X,Chen YZ

更新日期：2009-01-01 00:00:00

abstract：:Four new oleanane type saponins, monepalosides G-J (1-4), were isolated from the water-soluble part of the whole plant of Morina nepalensis var. alba Hand-Mazz. On the basis of chemical and spectroscopic evidence, their structures were determined as 3-O-alpha-L-arabinopyranosyl-(1 --> 3)-alpha-L-arabinopyranosyl olean...

journal_title：Journal of Asian natural products research

authors： Teng RW,Xie HY,Liu XK,Wang DZ,Yang CR

更新日期：2003-06-01 00:00:00

abstract：:Two new sesquiterpene derivatives, (+)-8β-hydroxy-longicamphenylone (1) and 11β-hydroxy-13-isopropyl-dihydrodehydrocostus lactone (2), were isolated from Chinese eaglewood. Their structures were elucidated on the basis of spectroscopic analyses including HR-ESI-MS, (1)H and (13)C NMR, DEPT, (1)H-(1)H COSY, HSQC, HMBC,...

journal_title：Journal of Asian natural products research

authors： Yang L,Qiao LR,Zhang JJ,Dai JG,Guo SX

更新日期：2012-01-01 00:00:00

abstract：:Two new halogenated nonterpenoids C15-acetogenins, nangallenes A-B (1-2), together with two known halogenated compounds itomanallene A (3) and 2,10-dibromo-3-chloro-α-chamigrene (4), were isolated and identified from the organic extract of the marine red alga Laurencia nangii Masuda collected from the coastal waters i...

journal_title：Journal of Asian natural products research

authors： Kamada T,Phan CS,Vairappan CS

更新日期：2019-03-01 00:00:00

abstract：:An ongoing phytochemical investigation of the rhizomes of Atractylodes lancea resulted in the isolation of four new C10-type polyacetylene glycosides (1-4). Their structures were elucidated on the basis of extensive spectroscopic data (UV, IR, 1D and 2D NMR, and HRESIMS). The absolute configurations of compounds 2-4 w...

journal_title：Journal of Asian natural products research

authors： Xu K,Feng ZM,Yang YN,Jiang JS,Zhang PC

更新日期：2017-02-01 00:00:00

abstract：:A new triterpenoid saponin named clematichinenoside AR(2), along with the six known compounds, was isolated and characterized from Clematis chinensis Osbeck (Ranunculaceae), a commonly used traditional Chinese medicine with anti-inflammatory and anti-rheumatoid activities. The structure of the new saponin was elucidat...

journal_title：Journal of Asian natural products research

authors： Liu LF,Ma XL,Wang YX,Li FW,Li YM,Wan ZQ,Tang QL

更新日期：2009-01-01 00:00:00

abstract：:Andrographolide, a major bioactive compound isolated from Andrographis paniculata (Burm. F.) Nees, was evaluated for its effects on the hOAT1 membrane transporter. Substrate determination and inhibition of hOAT1-mediated uptake transport assay was carried out using recombinant CHO-hOAT1 cells. The results showed that ...

journal_title：Journal of Asian natural products research

authors： Chong YM,Kaur G,Tan ML

更新日期：2019-08-01 00:00:00

abstract：:Isolation and structure elucidation of two new compounds, kakispyrone (1) and kakisaponin A (2), together with 11 known compounds, from the leaves of Diospyros kaki L. are described. Their cytotoxic effects against several cancer cell lines (A549, HepG2 and HT29) are also reported. ...

journal_title：Journal of Asian natural products research

authors： Chen G,Xue J,Xu SX,Zhang RQ

更新日期：2007-04-01 00:00:00

abstract：:Chemical examination of the methanolic extract from the stem bark of Daphne feddei led to the isolation of three new dicoumarin glucosides (1-3), and eight known coumarins, dicoumarins and dicoumarin glucosides. Their structures were elucidated by extensive analysis of spectral data and comparison with the literature ...

journal_title：Journal of Asian natural products research

authors： Liang S,Feng Y,Tian JM,Lu M,Xiong Z,Zhang WD

更新日期：2011-12-01 00:00:00

abstract：:Two new C21 steroidal glycosides were isolated from Cynanchum wallichii Wight. Their structures were elucidated as caudatin-3-O-β-d-glucopyranosyl-(1 → 4)-β-d-oleandropyranosyl-(1 → 4)-β-d-cymaropyranosyl-(1 → 4)-β-d-digitoxopyranoside (1) and caudatin-3-O-β-d-glucopyranosyl-(1 → 4)-β-d-cymaropyranosyl-(1 → 4)-β-d-ole...

journal_title：Journal of Asian natural products research

authors： Wang D,Pan WH,Bao YR,Yang XX,Meng XS

更新日期：2014-01-01 00:00:00

abstract：:A new denitroaristolochic acid, demethylaristofolin C (1), together with six known alkaloids, crebanine N-oxide (2), (-)-sukhodianine-β-N-oxide (3), palmatine (4), corydalmine (5), dehydrocorydalmine (6), and corynoxidine (7), was isolated from the tubers of Stephania succifera. The structure of demethylaristofolin C ...

journal_title：Journal of Asian natural products research

authors： Yang DL,Mei WL,Zeng YB,Guo ZK,Wei DJ,Liu SB,Wang QH,Dai HF

更新日期：2013-01-01 00:00:00

abstract：:Two new resin glycosides, batataosides I (1) and II (2), and five known compounds, friedelin (3), scopoletin (4), octadecyl caffeate (5), beta-sistosterol (6) and daucosterol (7), were isolated from the roots of Ipomoea batatas. Their structures have been determined based on the chemical and spectral data. Batataoside...

journal_title：Journal of Asian natural products research

authors： Yin YQ,Kong LY

更新日期：2008-03-01 00:00:00

abstract：:Camellia oleifera is expected to provide alternative aglycone to synthesize some saponins similar to that from Schima superba with inhibitory activity against Magnaporthe oryzae. Eight theasapogenol galactosides were synthesized via protection of adjacent hydroxyl groups by a benzylidene for regioselective glycosylati...

journal_title：Journal of Asian natural products research

authors： Huo GH,Chen XT,Li ZM,Liu CF,Xiao DJ

更新日期：2018-02-01 00:00:00

abstract：:Two new indole alkaloids, naucleactonin A and B, along with two known compounds, naucleficine and nauclefidine, were isolated from the bark and wood of Naucleaofficinalis, which has been used as an anti-inflammatory and anti-bacterial agent in folk medicine. Their chemical structures were elucidated by the spectral da...

journal_title：Journal of Asian natural products research

authors： Xuan WD,Chen HS,Du JL,Liang S,Li TZ,Cai DG

更新日期：2006-12-01 00:00:00

abstract：:Three new polyoxypregnane glycosides, tenacigenosides F-H (1-3), were isolated from the stems of Marsdenia tenacissima. The structures of these new compounds were elucidated from 1D and 2D NMR spectra, as well as from HR-MS and acid hydrolysis. ...

journal_title：Journal of Asian natural products research

authors： Wang XL,Peng SL,Ding LS

更新日期：2010-08-01 00:00:00

abstract：:A new natural coumarin, angepubebisin (1), and a new furan, angepubefurin (2), together with the five known compounds, umbelliferone, angelol B (3), ulopterol (4), peucedanol (5), and scopoletin, were isolated from the roots of Angelica pubescens Maxim. f. biserrata Shan et Yuan. The structures of angepubebisin (1) an...

journal_title：Journal of Asian natural products research

authors： Yang XW,Zhang CY,Zhang BG,Lu Y,Luan JW,Zheng QT

更新日期：2009-08-01 00:00:00

abstract：:Phytochemical analysis of the high quality Chinese agarwood 'Qi-Nan' originating from Aquilaria sinensis (Lour.) Glig led to the isolation of a new 2-(2-phenylethyl)chromone derivative, qinanones G (1), and four known 2-(2-phenylethyl)chromones (2-5). Their structures were elucidated by spectroscopic techniques (UV, I...

journal_title：Journal of Asian natural products research

authors： Yang DL,Wang H,Guo ZK,Dong WH,Mei WL,Dai HF

更新日期：2014-01-01 00:00:00

abstract：:Two new diketopiperazines, PJ147 (1) and PJ157 (2), were isolated from the mycelium of a fungus, Gliocladium sp. YUP08, which was separated from sea mud collected in Rushan, Shandong, China. Their structures were elucidated by spectroscopical and chemical methods. ...

journal_title：Journal of Asian natural products research

authors： Huang YF,Tian L,Hua HM,Pei YH

更新日期：2007-04-01 00:00:00

abstract：:A series of piplartine derivatives were synthesized via Baylis-Hillman reaction and evaluated for anticancer and antibacterial activities. The cytotoxicity of these compounds was examined in two different human tumor cell lines, IMR-32 and HeLa. The antibacterial activity was examined in Staphylococcus aureus and Pseu...

journal_title：Journal of Asian natural products research

authors： Kumar JU,Shankaraiah G,Kumar RS,Pitke VV,Rao GT,Poornima B,Babu KS,Sreedhar AS

更新日期：2013-01-01 00:00:00

abstract：:Muricatenol (1) is a new C37 non-THF ring acetogenin with four hydroxyls and one isolated double bond in the long aliphatic chain. 2,4-cis-Gigantetrocinone (2) and 2,4-trans-gigantetrocinone (3) have been isolated as their acetates by preparative TLC. 2,4-trans-Isoannonacin-10-one (4) and 2,4-trans-isoannonacin (5) ha...

journal_title：Journal of Asian natural products research

authors： Li DY,Yu JG,Zhu JX,Yu DL,Luo XZ,Sun L,Yang SL

更新日期：2001-01-01 00:00:00

abstract：:Activity-guided fractionation of Neosinocalamus affinis leaves led to obtain two new flavonoids, 4'-O-((7″R,8″S)-8″-guaiacylglyceryl)-pleioside B (9) and apigenin 6-C-β-d-fucopyranosyl-7-O-β-d-glucopyranoside (10) along with eight known compounds. Their structures were elucidated on the basis of spectroscopic data (UV...

journal_title：Journal of Asian natural products research

authors： Luo GY,Luo YG,Zhou R,Zhou M,Gu J,Ye Q,Dai Y,Zhang GL

更新日期：2015-01-01 00:00:00

abstract：:One novel ursolic acid derivative sabiracin 1 (11,25-epoxy-3β-hydroxy-urs-12-en-28-oic acid) was isolated from the leaves of Carissa carandas, together with five known compounds para hydroxy benzaldehyde (2), ursolic acid (3), carissin (4), 22α-hydroxyursolic acid (5) and β-sitosterol-3-O-β-D-glucopyranoside (6). Comp...

journal_title：Journal of Asian natural products research

authors： Bano Z,Begum S,Ali SS,Kiran Z,Siddiqui BS,Khawaja S,Ahmed A

更新日期：2020-07-10 00:00:00

abstract：:The structure of a new cycloartane glycoside isolated from the whole herbs of Comptosorus sibiricus Rupr. has been established, by chemical and spectroscopic methods (IR, 1D and 2D NMR, HRMS, ESI-MS), as 3beta,7beta,24beta,25,30-pentahydroxycycloartane 24-O-beta-D-glucopyranoside (1). ...

journal_title：Journal of Asian natural products research

authors： Li N,Li X,Ma ZJ,Wang JH

更新日期：2005-04-01 00:00:00

abstract：:Carbazole alkaloids, 3-methylcarbazole (1), murrayafoline A (2), girinimbine (3), mahanimbine (4) and bicyclomahanimbine (5), were isolated for the first time from Clausena dunniana Levl. by bioassay-guided separation procedure and were identified by spectroscopic methods. Compounds 1-5 showed growth inhibitory activi...

journal_title：Journal of Asian natural products research

authors： Cui CB,Yan SY,Cai B,Yao XS

更新日期：2002-12-01 00:00:00

abstract：:One pair of new amides enantiomers (1a and 1b) and two known amides were isolated from the rhizomes of Polygonum cuspidatum. Their structures were established using UV, IR, HRESIMS, and NMR data. Notably, compound 1 possesses unique C-C connection between feruloyltyramine and resveratrol. Their absolute configurations...

journal_title：Journal of Asian natural products research

authors： Zhang X,Liu F,Feng ZM,Jiang JS,Yang YN,Zhang PC

更新日期：2021-01-18 00:00:00

abstract：:Three new flavonol glycosides, kaempferol-3-O-(6-trans-caffeoyl)-beta-D-glucopyranosyl-(1 --> 2)-beta-D-glucopyranoside (1), kaempferol-3-O-(6-trans-caffeoyl)-beta-D-glucopyranosyl-(1 --> 2)-beta-D-glucopyranoside-7-O-beta-D-glucopyranoside (2), and kaempferol-3-O-(6-trans-p-coumaroyl)-beta-D-glucopyranosyl-(1 --> 2)-...

journal_title：Journal of Asian natural products research

authors： Li N,Li X,Meng DL,Guo YQ,Wang JH

更新日期：2006-01-01 00:00:00

abstract：:A chemical investigation of the endemic relict shrub Tetraena mongolica led to the isolation of four new triterpenes: 11α,12α:13β,28-diepoxyoleanane-3β-yl trans-caffeate (1), 3β-hydroxy-11α,12α-epoxyoleanane-28-al (2), olean-11-en-28-al-3β-yl trans-caffeate (3), and 28-acetoxy-olean-12-en-3β-yl trans-caffeate (4). The...

journal_title：Journal of Asian natural products research

authors： Tang SA,Ding LL,Zhai HY,Qin N,Duan HQ

更新日期：2012-01-01 00:00:00

abstract：:A novel 2,3-secoaromadendrane-type sesquiterpenoid metabolite, psilosamuiensin A (1), was isolated from the broth of Psilocybe samuiensis. The structure of psilosamuiensin A was established by spectroscopic data and its configurations were confirmed by single crystal X-ray crystallographic analysis. This is the first ...

journal_title：Journal of Asian natural products research

authors： Pornpakakul S,Suwancharoen S,Petsom A,Roengsumran S,Muangsin N,Chaichit N,Piapukiew J,Sihanonth P,Allen JW

更新日期：2009-01-01 00:00:00

abstract：:Chemical examination of the liquid culture of Endomelanconiopsis endophytica A326 isolated from the Chinese folk medicine Ficus hirta resulted in the isolation of two new xyloketals named xyloketals K and L (1-2) and three known analogs (3-5) including a new natural product (5). Their structures were determined on the...

journal_title：Journal of Asian natural products research

authors： Sun ZH,Liang FL,Chen YC,Liu HX,Li HH,Zhang WM

更新日期：2016-11-01 00:00:00

abstract：:The relationship between the immunological activities and their surface activities of octadecanoyl acetal sodium sulphite series containing different numbers of double bonds (HOU-C18:n; n = 1, Delta9; n = 2, Delta9,12; n = 3, Delta9,12,15) were studied. The results showed that HOU-C18:n were able to increase the carbo...

journal_title：Journal of Asian natural products research

authors： Yuan LJ,Ye XL,Li XG,He HM

更新日期：2007-01-01 00:00:00