Synthesis and fungicidal activity of phenazine-1-carboxylic triazole derivatives.

abstract：:A new hTopo I isomerase inhibitor, (+)-3,3',7,7',8,8'-hexahydroxy-5,5'-dimethylbianthraquinone (2240A), was isolated from the mangrove endophytic fungus no. 2240 collected from an estuarine mangrove at the South China Sea coast. Its structure was elucidated by spectral analyses including two-dimensional NMR, HR-EI-MS,...

journal_title：Journal of Asian natural products research

authors： Tan N,Cai XL,Wang SY,Pan JH,Tao YW,She ZG,Zhou SN,Lin YC,Vrijmoed LL

更新日期：2008-07-01 00:00:00

abstract：:Gamboge is a dry resin secreted from Garcinia hanburryi, and gambogenic acid (GNA) is one of the main active compounds of gamboge. We have previously demonstrated the anticancer activity of GNA in A549 cells and pointed out its potential effects in anticancer therapies. Previous studies reported that GNA induced apopt...

journal_title：Journal of Asian natural products research

authors： Cheng H,Su JJ,Peng JY,Wang M,Wang XC,Yan FG,Wang XS,Li QL

更新日期：2011-10-01 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：:Further investigation on the saponins of the flower-buds of Panax ginseng C. A. Meyer has resulted in the isolation and structural elucidation of a pair of new 24-epimers of dammarane type saponins named ginsenoside I and II. The structures of the epimers were characterized on the basis of chemical and spectral eviden...

journal_title：Journal of Asian natural products research

authors： Qiu F,Ma ZZ,Xu SX,Yao XS,Che CT,Chen YJ

更新日期：2001-01-01 00:00:00

abstract：:Two new 2-(2-phenylethyl)chromone derivatives (1-2) were isolated from the ethyl acetate extract of artificial agarwood induced by holing method originating from Aquilaria sinensis (Lour.) Gilg, and they were isolated from this genus for the first time. The structures of these two new compounds were elucidated by exte...

journal_title：Journal of Asian natural products research

authors： Xiang P,Zeng YB,Wang H,Kong FD,Chen HQ,Mei WL,Dai HF

更新日期：2020-12-18 00:00:00

abstract：:Two new glycosides named as ternatoside A (1) and ternatoside B (2), with four known constituents sternbin (3), methylparaben (4), 4-O-D-glucopyranosyl-p-coumaric acid (5) and linocaffein (6) were isolated from the roots of Ranunculus ternatus, The structures of new compounds were determined by 1D and 2D NMR, MS techn...

journal_title：Journal of Asian natural products research

authors： Tian JK,Sun F,Cheng YY

更新日期：2006-01-01 00:00:00

abstract：:Manuifolin Q (1), an unusual 4-aryl-substituted isoflavan, was isolated from the roots of Maackia tenuifolia. Its absolute configuration was determined as (3R,4R)-3,4-trans-7,2'-dihydroxy-4'-methoxy-4-[(2,4-dihydroxy-5-(1,1-dimethyl-2-propenyl)]-phenyl-isoflavan, on the basis of spectroscopic analysis. ...

journal_title：Journal of Asian natural products research

authors： Zeng JF,Tan CH,Zhu DY

更新日期：2004-03-01 00:00:00

abstract：:Two new C19-diterpenoid alkaloids, straconitines A (1) and B (2), were isolated from the roots of Aconitum straminiflorum. Their structures were elucidated as 14-benzoylducloudine D (1) and 6-hydroxy-14-benzoylducloudine D (2) based on spectroscopic analysis, including IR, ESI-MS, HR-ESI-MS, 1D, and 2D NMR. ...

journal_title：Journal of Asian natural products research

authors： Qi Y,Zhao DK,Zi SH,Zhang LM,Guo CX,Li GQ,Xun JJ,Shen Y

更新日期：2016-01-01 00:00:00

abstract：:In this paper, the structure-activity relationships of chemically modified uronic acid polymer fragments from brown algae with regard to their antioxidant effects on H2O2-damaged lymphocyte were studied. The results indicated that the most potent antioxidant activity was obtained from the sulfated polysaccharide with ...

journal_title：Journal of Asian natural products research

authors： Hu JF,Gen MY,Zhang JT,Jiang HD

更新日期：2001-01-01 00:00:00

abstract：:One new dammarane-type triterpene, gypsapogenin A (1), was isolated from the acid hydrolyzate of total saponins from Gynostemma pentaphyllum (Thunb.) Makino, together with two known compounds, (20S,24S)-3β,20,21β,23β,25-pentahydroxy-21,24-cyclodammarane (2) and (23S)-3β-hydroxydammar-20,24-dien-21-oic acid 21,23-lacto...

journal_title：Journal of Asian natural products research

authors： Shi L,Tan DH,Yan TC,Jiang DH,Hou MX

更新日期：2018-02-01 00:00:00

abstract：:Three new triterpene saponins, ilekudinosides T-V (1-3), along with six known saponins were isolated from the 70% ethanolic extract of the leaves of Ilex kudingcha. The new saponins were characterized as 3-O-beta-d-glucopyranosyl-(1 --> 3)-[alpha-l-rhamnopyranosyl-(1 --> 2)]-alpha-l-arabinopyranosyl-3beta,19alpha-dihy...

journal_title：Journal of Asian natural products research

authors： Tang L,Jiang Y,Tian XM,Zhou SX,Tu PF

更新日期：2009-06-01 00:00:00

abstract：:A new phenolic glycoside, 6'-[(E)-2''-hydroxymethyl, 2''-butenoyl] arbutin (1), and two known phenolic glycosides, 6'-[(E)-4''-hydroxycinnamoyl] arbutin (2) and 6'-[(E)-3'',4''-dihydroxycinnamoyl] arbutin (3), were isolated from the leaves of Heliciopsis lobata (Merr.) Sleum. Their structures were elucidated by variou...

journal_title：Journal of Asian natural products research

authors： He QQ,Liu MS,Jin DJ,Kong LY

更新日期：2006-06-01 00:00:00

abstract：:Chemical investigation on the cultures of Phellinus tuberculosus and Laetiporus sulphureus lead to the isolation of two new illudin-type sesquiterpenoids (phellinuin J and sulphureuine A). Their structures were elucidated by 1D, 2D NMR and MS spectroscopic data. These compounds were purposely evaluated for their cytot...

journal_title：Journal of Asian natural products research

authors： He JB,Tao J,Miao XS,Feng YP,Bu W,Dong ZJ,Li ZH,Feng T,Liu JK

更新日期：2015-01-01 00:00:00

abstract：:Four new lignan glycosides (1-4), named procumbenosides I, K, L, and M, together with cleistanthin B (5) reported for the first time in the genus Justicia, and 5 other known arylnaphthalene lignan glycosides (6-10) were isolated from the whole plant of Justicia procumbens. The structures of the new compounds were eluc...

journal_title：Journal of Asian natural products research

authors： Jin H,Yang S,Dong JX

更新日期：2017-01-01 00:00:00

abstract：:Two new benzo[de]isoquinoline derivatives, 4-phenyl-benzo[de]isoquinoline-1,3-dione (1) and 4-(4-hydroxyphenyl)-benzo[de]isoquinoline-1,3-dione (2), were isolated from 70% ethanol extract of the rhizomes of Musa basjoo. Their chemical structures were elucidated by HRESIMS, 1 D and 2 D spectra. ...

journal_title：Journal of Asian natural products research

authors： Ma X,Jiang L,Zhu MH,Liu CH,Wang GC,Li YT,Liu T,Li YJ

更新日期：2021-01-19 00:00:00

abstract：:A new selaginellin derivative, selaginellin M (1), together with one known compound, selaginellin E (2), was isolated from Selaginella pulvinata. The structure of the new compound was elucidated and named as (R,S)-4-((4'-hydroxy-4-((2-hydroxyethoxy)methyl))-3-((4-hydroxyphenyl)ethynyl)biphenyl-2-yl)(4-hydroxyphenyl)me...

journal_title：Journal of Asian natural products research

authors： Xu KP,Zou H,Liu GR,Long HP,Li J,Li FS,Zou ZX,Kuang JW,Xie X,Tan GS

更新日期：2011-10-01 00:00:00

abstract：:A new 3,4-seco-labdane diterpenoid, 3,4-seco-12R,13S-dihydroxy-4(18),8(17),14(15)-labdatrien-3-oic acid (1), was isolated from the leaves of Callicarpa nudiflora. The structure of 1 was elucidated by 1D NMR, 2D NMR and HRESIMS data, and confirmed by single-crystal X-ray diffraction analysis. 3,4-seco-12R,13S-Dihydroxy...

journal_title：Journal of Asian natural products research

authors： Zhang L,Liu MS,Huang J,Li GY,Zhang C,Dong L,Zhang K,Wang JH

更新日期：2014-01-01 00:00:00

abstract：:Three new alkaloids namely 8-(4-hydroxyphenyl)-6-methoxy-3,4-dihydroisoquinolin-1(2H)-one (1), 4-aminonigellidine (2), and N-[(4-hydroxy-2-isopropyl-5-methyl)]phenylurea (3), along with six known ones (4-9), were isolated from the seeds of Nigella glandulifera. The structures of 1-3 were determined through spectroscop...

journal_title：Journal of Asian natural products research

authors： Guo WH,Li XM,Huang SS,Yang MH,Kong LY

更新日期：2017-01-01 00:00:00

abstract：:A new ceramide urticamide (1), two new secolignans urticalactones I (2) and Ⅱ (3), and a new flavonoid glycoside urticaside (4), together with 15 known compounds (4-19), were isolated from the leaves of Urtica fissa, a folk medicine for rheumatism arthritis in China. The active evaluation results showed that 1, 2, 3, ...

journal_title：Journal of Asian natural products research

authors： Wang MY,Yang Y,Zhou XY,Wang SS,Duan SX,Li XB

更新日期：2018-08-01 00:00:00

abstract：:Two new C-glucosyl flavonoids 6''-O-feruloylspinosin and 6''-O-feruloyl-6'''-p-hydroxybenzoylspinosin, together with five known compounds, were isolated from the seeds of Ziziphus jujube (Rhamnaceae family). Their structures were elucidated on the basis of chemical and spectroscopic evidences. Compounds 1-7 showed mod...

journal_title：Journal of Asian natural products research

authors： Fu Q,Ma Y,Chen J,Yuan HM,Zheng YZ

更新日期：2017-05-01 00:00:00

abstract：:Two new diterpenoid glycosides, fructusnoids D (1) and E (2), and two new monoterpenoid glycosides (3, 4), together with three known diterpenoid glycosides (5-7) and three known monoterpenoid glycosides (8-10), were isolated from the fruits of Xanthium chinense. Their structures were elucidated by spectrometric analys...

journal_title：Journal of Asian natural products research

authors： Cheng Y,Fu J,Chen L,Li LL,Qu J

更新日期：2019-03-01 00:00:00

abstract：:Two new polyketides, 3,11-dihydroxy-6,8-dimethyldodecanoic acid (1) and trichopyrone B (2), together with two known polyketides, sorbicillin (3) and penicillone A (4), have been isolated from the cultures broth of the fungus Penicillium decumbens. Their structures were elucidated by extensive spectroscopic analysis. A...

journal_title：Journal of Asian natural products research

authors： Lin S,Wu YZ,Chen KY,Ye J,Yang XW,Zhang WD

更新日期：2018-05-01 00:00:00

abstract：:Two new lignans named spicatolignan A (1) and spicatolignan B (2) have been isolated from the whole herbs of Mentha spicata L. ...

journal_title：Journal of Asian natural products research

authors： Zheng J,Chen GT,Gao HY,Wu B,Wu LJ

更新日期：2007-04-01 00:00:00

abstract：:A series of aromatic or long-chain chrysin derivatives (1-10) were synthesized by esterification of chrysin and acyl chloride. The chemical structures of these compounds were determined by mass spectrum (MS), 1H NMR, and 13C NMR spectra. Though aromatic chrysin derivatives (1-9) with a rigid structure were hard to dis...

journal_title：Journal of Asian natural products research

authors： Chen N,Wang R,Lu LJ,Yan LJ,Bai LL,Fu Y,Wang Y,Peng DQ,Chen X,Wang CH,Li J,Zhao K

更新日期：2020-05-01 00:00:00

abstract：:In the title study, the synthesis of the vital intermediate C-nor-aconanone (3) from 4 was completed through 11 steps, mainly including semipinacol rearrangement, formation of the imines by the treatment of 10 or 20 with NBS, the cleavage of N-C19 bonds in 11 or 21 by treatment with m-CPBA and subsequently with LTA, a...

journal_title：Journal of Asian natural products research

authors： Shen XL,Chen QH,Wang FP

更新日期：2009-01-01 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：:Three new ursane-type triterpenoids, 2α,3β-dihydroxy-11α,12α-epoxy-urs-28,13β-olide (1), 2α,3β,24-trihydroxy-11α,12α-epoxy-urs-28,13β-olide (2), and 2α,3α,24-trihydroxy-11,20(30)-dien-urs-28,13β-olide (6), together with six known ursane-type triterpenoids (3-5, 7-9), were isolated from the EtOAc extract of the aerial ...

journal_title：Journal of Asian natural products research

authors： Jiao K,Li HY,Zhang P,Pi HF,Ruan HL,Wu JZ

更新日期：2013-09-01 00:00:00

abstract：:A new coumestan named bavacoumestan D (1), together with five known compounds (2-6), was isolated from EtOAc-soluble extract of seeds of Psoralea corylifolia. Their structures were elucidated on the basis of spectroscopic and physico-chemical analyses. All compounds were evaluated for in vitro inhibitory activity agai...

journal_title：Journal of Asian natural products research

authors： Chai MY

更新日期：2020-03-01 00:00:00

abstract：:Methyl tortuoate D (1), together with five other known related bis-cembranoids, was isolated from Hainan soft coral Sarcophyton tortuosum. The structure of methyl tortuoate D (1a), firstly isolated and reported by Li et al. from the title organism, was corrected as 1 by an extensive analysis of its one-dimensional and...

journal_title：Journal of Asian natural products research

authors： Li YF,He LL,Liu HL,Liang LF,Zhang HB,Guo YW

更新日期：2013-01-01 00:00:00

abstract：:A new dimeric stilbene, named shegansu B (1) was isolated from the ethanolic extract of the roots of Belamtantida chinensis (L.) DC., along with the known compounds isorhapontigenin, resveratol, p-hydroxybenzoic acid, iridin, tectoridin, tectorigenin and daucosterol. The structures were elucidated by means of spectros...

journal_title：Journal of Asian natural products research

authors： Zhou LX,Lin M

更新日期：2000-01-01 00:00:00