A new periplogenin cardenolide from the seeds of Antiaris toxicaria.

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：:Two new (-)-epigallocatechin-3-gallate-4β-triazolopodophyllotoxin conjugates (7 and 8) were synthesized and evaluated for biological activity. Compound 8 showed highly potent anticancer activity against A-549 cell line with IC50 of 2.16 ± 1.02 μM, which displayed the highest selectivity index value (SI = 14.5) in A-54...

journal_title：Journal of Asian natural products research

authors： Zi CT,Yang L,Hu Y,Zhang P,Tang H,Zhang BL,Shen XJ,Kong QH,Wang Y,Wang XJ,Sheng J

更新日期：2020-07-03 00:00:00

abstract：:A new sesquiterpene cacaroborin (1) was isolated from the roots of Cacalia roborowskii, together with three known ones, cinalbicol (2), isopetasin (3), and 3alpha-angeloyloxylactone (4). The structure of compound 1 was elucidated as 1beta,10alpha-dihydroxy-8alpha-methoxyeremophil-7(11)-en-8beta,12-olide on the basis o...

journal_title：Journal of Asian natural products research

authors： Zhang ZX,Fei DQ

更新日期：2009-11-01 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：: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 novel tetraterpenoid named methyl tortuoate C (1) has been isolated from the soft coral Sarcophyton tortuosum Tix.-Dur. The structure of 1 was determined on the basis of spectroscopic methods. ...

journal_title：Journal of Asian natural products research

authors： Lan WJ,Li HJ,Yan SJ,Su JY,Zeng LM

更新日期：2007-04-01 00:00:00

abstract：:The chemical investigation on the fruiting bodies of Amauroderma subresinosum led to the isolation of 10 compounds including 2 new ones named amaurosubresin (1) and erythro(23,24)-5α,6α-epoxyergosta-8-ene-7-one-3β,23-diol (2). Their structures were elucidated on the basis of 1D and 2D NMR spectroscopy as well as MS. T...

journal_title：Journal of Asian natural products research

authors： Wang Q,Wang YG,Ma QY,Huang SZ,Kong FD,Zhou LM,Dai HF,Zhao YX

更新日期：2016-11-01 00:00:00

abstract：:Four new minor taxanes (1-4) have been isolated from Ts-19 cell cultures of Taxus chinensis together with five known taxanes (5-9) by silica gel chromatography combined with semi-preparative HPLC chromatography. On the basis of the analyses of the chemical and spectroscopic (IR, MS, 1D, and 2D NMR) data, the structure...

journal_title：Journal of Asian natural products research

authors： Xie D,Jia HT,Zhang Y,Zou JH,Yin DL,Chen XG,Yan YN,Dai JG

更新日期：2009-06-01 00:00:00

abstract：:Two new phthalates bis(2-ethylundecyl)phthalate and bis(2-ethyltridecyl)phthalate have been isolated from the chloroform-soluble portion of the whole plant of Nepeta clarkei along with one known compound β-amyrin. The structures of the two new compounds and β-amyrin were assigned on the basis of their ¹H and ¹³C NMR s...

journal_title：Journal of Asian natural products research

authors： Hussain J,Rehman NU,Hussain H,Ali L,Al-Harrasi A

更新日期：2012-01-01 00:00:00

abstract：:During the process of icogenin analog research, we obtained two cytotoxic steroids: compound 4 and compound 6 casually. Their in vitro antitumor activities were tested by the standard MTT assay. The results disclosed that compound 4 (IC50 = 3.65-6.90 μM) showed potential antitumor activities against HELA, KB cell line...

journal_title：Journal of Asian natural products research

authors： Guan YY,Li SZ,Lei PS

更新日期：2017-05-01 00:00:00

abstract：:(-)-Incrustoporin (1) has been synthesized using aldol condensation of ethyl p-tolyl-acetate (2) and (2R)-benzoyloxy-butanal (3), followed by acid-catalyzed deprotection of the benzoyl group, lactone ring-closure, and elimination of the beta-OH in a one-pot manner. The aldehyde 3 was prepared from the commercially ava...

journal_title：Journal of Asian natural products research

authors： Yu Q,Liu JF,Wu YL

更新日期：1999-01-01 00:00:00

abstract：:Phytochemical investigation on the whole plants of Iris japonica led to the isolation of four new aromatic glycosides. Their structures including the absolute configurations were determined by spectroscopic and chemical methods as (-)-4-hydroxy-3-methoxy acetophenone 4-O-β-d-{6-O-[4-O-(7R,8S)-(4-hydroxy-3-methoxypheny...

journal_title：Journal of Asian natural products research

authors： Shi GR,Wang X,Liu YF,Zhang CL,Wang Y,Li L,Ni G,Chen RY,Yu DQ

更新日期：2016-10-01 00:00:00

abstract：:Four new oleanane-type triterpenoid saponins, cyclamiretin A 3beta-O-alpha-L-rhamnopyranosyl-(1 --> 3)-[beta-D-xylopyranosyl-(1 --> 2)]-beta-D-glucopyranosyl-(1 --> 4)-[beta-D-glucopyranosyl-(1 --> 2)]-alpha-L-arabinopyranoside (1), cyclamiretin A 3beta-O-alpha-L-rhamnopyranosyl-(1 --> 3)-[beta-D-glucopyranosyl-(1 -->...

journal_title：Journal of Asian natural products research

authors： Wen P,Zhang XM,Yang Z,Wang NL,Yao XS

更新日期：2008-09-01 00:00:00

abstract：:A new amide alkaloid, N-(3',4',5'-trimethoxy-cis-cinnamoyl)pyrrolidine (1), named sarmentomicine was isolated from the ethanol extract of the leaves of Malayan Piper sarmentosum, together with two known phenylpropanoids. Their structures were elucidated on the basis of spectroscopic analysis. ...

journal_title：Journal of Asian natural products research

authors： Sim KM,Mak CN,Ho LP

更新日期：2009-08-01 00:00:00

abstract：:Phytochemical analysis of the MeOH extract of the fruiting bodies of Stropharia aeruginosa resulted in the isolation of three lanostane triterpenoids, aeruginosols A, B and C. The structures of the new compounds were determined by spectroscopic analysis. The biological activities of aeruginosols A, B and C were examin...

journal_title：Journal of Asian natural products research

authors： Shiono Y,Sugawara H,Nazarova M,Murayama T,Takahashi K,Ikeda M

更新日期：2007-09-01 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：:Two new sesquiterpene pyridine alkaloids, Chinese bittersweet alkaloid A (1) and Chinese bittersweet alkaloid B (2), together with five known compounds 3β- hydroxyolean-9(11),12-diene, β-sitosterol, 1β,2β,6α,15β-tetraacetoxy-8β,9α- dibenzoyloxy-β-dihydroagarofuran, angulatin A and angulatin J, were isolated from the r...

journal_title：Journal of Asian natural products research

authors： Chang X,Wang ZY,Chen X,Ma YN,Zhang HY,Zhao TZ

更新日期：2019-11-01 00:00:00

abstract：:A new coumarin glucoside, 8-hydroxy-5-O-beta-D-glucosylpsoralen, along with 17 known coumarins and one steroid, was isolated from the roots of Heracleum rapula Franch. Four coumarin glucosides, including the new one, were obtained from the water-soluble fraction. The other coumarins isolated from the ethyl acetate-fra...

journal_title：Journal of Asian natural products research

authors： Niu XM,Li SH,Jiang B,Zhao QS,Sun HD

更新日期：2002-03-01 00:00:00

abstract：:Five new indole alkaloid glucosides named isatindigotindolosides A-E (1-5), along with three known analogs (6-8), were isolated from an aqueous extract of the Isatis indigotica roots. Their structures including the absolute configurations were determined based on comprehensive spectroscopic data analysis, combined wit...

journal_title：Journal of Asian natural products research

authors： Liu YF,Chen MH,Lin S,Li YH,Zhang D,Jiang JD,Shi JG

更新日期：2016-01-01 00:00:00

abstract：:Two new lanostanoid triterpenes, 23S-hydroxy-3,7,11,15-tetraoxo-lanost-8,24E-diene-26-oic acid (1), and 12beta-acetoxy-3beta-hydroxy-7,11,15,23-tetraoxo-lanost-8,20E-diene-26-oic acid (16), together with 17 known compounds, were isolated from the fruit bodies of Ganoderma lucidum. Their structures were established by ...

journal_title：Journal of Asian natural products research

authors： Guan SH,Xia JM,Yang M,Wang XM,Liu X,Guo DA

更新日期：2008-07-01 00:00:00

abstract：:Mangrove endophytic fungi were proved to be a prolific resources for bioactive secondary metabolites. Two new polyketides, pestalotiopin B (1) and pestalotiopyrone N (2) were obtained from the ethyl acetate extracts of the rice solid cultures of the mangrove endophytic fungus Pestalotiopsis sp. HQD-6. The structures o...

journal_title：Journal of Asian natural products research

authors： Zhou J,Zheng DY,Xu J

更新日期：2021-01-29 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：:Two new sesquiterpenoids, 4,5-epoxy-13-methoxy-1(10)-germacren-12,6-olide and 4,5-epoxy-13-acetoxy-1(10)-germacren-12,6-olide, were isolated from the leaves of Magnolia grandiflora, together with six known compounds, 2alpha-hydroxy-dihydroparthenolide, parthenolide, costunolide, syringaresinol, (+) medioresinol and 6,...

journal_title：Journal of Asian natural products research

authors： Wu SH,Luo XD,Ma YB,Hao XJ,Zhou J,Wu DG

更新日期：2001-01-01 00:00:00

abstract：:Our current marine natural product program investigated the second metabolites of an actinomycete Streptomyces cavourensis YY01-17 originating from the Antarctic ecological niche to discover potential antitumor chemical entities. Two new compounds, along with a known compound, were isolated from the ethyl acetate extr...

journal_title：Journal of Asian natural products research

authors： Su SS,Tian L,Chen G,Li ZQ,Xu WF,Pei YH

更新日期：2013-01-01 00:00:00

abstract：:From the EtOH extract of the flowers of Camellia nitidissima Chi, a new acylated flavonoid glycoside, quercetin 7-O-(6"-O-E-caffeoyl)-β-D-glucopyranoside (1), has been isolated, together with three known flavonoids: quercetin (2), quercetin 3-O-β-D-glucopyranoside (3), and quercetin 7-O-β-D-glucopyranoside (4). Their ...

journal_title：Journal of Asian natural products research

authors： Peng X,Yu DY,Feng BM,Wang YQ,Shi LY

更新日期：2012-01-01 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：: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：:A new sulphonoglycolipid, crassicaulisine, has been isolated from the red alga Chondria crassicaulis Harv.. Four known compounds were also found from the title plant. The structure of the new compound was elucidated on the basis of chemical reactions and spectroscopic analysis. ...

journal_title：Journal of Asian natural products research

authors： Shao ZY,Cai JN,Ye QZ,Guo YW

更新日期：2002-09-01 00:00:00

abstract：:Six new sesquiterpenes, 10-hydroxy-epiaplysin (1), 10-hydroxy-aplysin (2), 10-hydroxy-debromoepiaplysin (3), aplysin-9-ene (4), epiaplysinol (5) and debromoepiaplysinol (6), together with 13 known compounds (7-19), have been isolated from the red alga Laurencia tristicha. The structures of 1-6 were determined by spect...

journal_title：Journal of Asian natural products research

authors： Sun J,Shi DY,Li S,Wang SJ,Han LJ,Fan X,Yang YC,Shi JG

更新日期：2007-09-01 00:00:00

abstract：:Corchorusin-D (COR-D), isolated from Corchorus acutangulus, was reported to induce apoptosis in leukemic cells. However, no studies concerning its activity on melanoma cells have been reported. We have evaluated its in vitro anti-cancer activity on melanoma cells (B16F10, SK-MEL-28, and A375). The results demonstrate ...

journal_title：Journal of Asian natural products research

authors： Mallick S,Pal BC,Kumar D,Chatterjee N,Das S,Saha KD

更新日期：2013-11-01 00:00:00