Chemical constituents of the leaves of Diospyros kaki and their cytotoxic effects.

abstract：:Two new anthraquinones, methyl 8-hydroxy-3-methoxy-6,7-methylenedioxy-1-methylanthraquinone-2-carboxylate (gandavensin A, 1) and methyl 8-hydroxy-3,6,7-trimethoxy-1-methylanthraquinone-2-carboxylate (gandavensin B, 2), have been isolated from the light petroleum extract of the subterranean corm of Gladiolus gandavensi...

journal_title：Journal of Asian natural products research

authors： Wang DY,Ye Q,Zhang GL,Li BG

更新日期：2003-12-01 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：:Two new quinochalcone glycosides, hydroxysafflor yellow A-4'-O-β-D-glucopyranoside (1) and 3'-hydroxyhydroxysafflor yellow A (2), were isolated from the safflower yellow pigments of Carthamus tinctorius. The structures of new compounds were elucidated by a detailed spectroscopic analysis (UV, IR, HR-ESI-MS, 1D and 2D ...

journal_title：Journal of Asian natural products research

authors： Zhang H,Duan CP,Luo X,Feng ZM,Yang YN,Zhang X,Jiang JS,Zhang PC

更新日期：2020-12-01 00:00:00

abstract：:A new acylated C-glycosylflavone (1) was isolated from Trollius ledebouri Reichb together with two known C-glycosyflavones (2, 3). The structures were elucidated by spectroscopic methods, including HRMS, IR, 1H and 13C NMR and 2D experiments (COSY, HMQC and HMBC). The anti-inflammatory activities of 1-3 were tested on...

journal_title：Journal of Asian natural products research

authors： Wu XA,Zhao YM,Yu NJ

更新日期：2006-09-01 00:00:00

abstract：:Two new steroidal saponins were isolated from the fruits of Tribulus terrestris L. Their structures were elucidated by spectroscopic and chemical analysis as (23S,24R,25R)-5alpha-spirostane-3beta,23,24-triol-3-O-{alpha-L-rhamnopyranosyl-(1 --> 2)-[beta-D-glucopyranosyl-(1 --> 4)]-beta-D-galactopyranoside} (1) and (23S...

journal_title：Journal of Asian natural products research

authors： Liu T,Lu X,Wu B,Chen G,Hua HM,Pei YH

更新日期：2010-01-01 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：: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：:Two new bromophenols, (E)-3-(2,3-dibromo-4,5-dihydroxyphenyl)-2-methylpropenal (1) and 3-(2,3-dibromo-4,5-dihydroxyphenyl)-2-methyl-1-propanol (2), together with 11 known bromophenols (3-13), were isolated from the ethanolic extract of the brown alga Leathesia nana S. et G. Their structures have been elucidated by spe...

journal_title：Journal of Asian natural products research

authors： Xu XL,Fan X,Song FH,Zhao JL,Han LJ,Yang YC,Shi JG

更新日期：2004-09-01 00:00:00

abstract：:Three new dibenz[b,f]oxepins: 6-methoxy-7-methyl-8-hydroxydibenz[b, f]oxepin (1), 1,8-dimethoxy-6-hydroxy-7-methyldibenz[b, f]oxepin (2), and 1-hydroxy-6,8-dimethoxy-7-methyldibenz[b,f]oxepin (3), along with two known dibenz[b,f]oxepins pacharin (4) and bauhiniastatin 4 (5), were isolated from Cercis chinensis Bunge (...

journal_title：Journal of Asian natural products research

authors： Mu LH,Li JB,Yang JZ,Zhang DM

更新日期：2007-09-01 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：:Six thiophenes were isolated and purified from ethanol extract of the roots of Echinops latifolius Tausch. Their structures were identified on the basis of spectral data. Among them, 5-(3-hydroxmethyl-3-isovaleroyloxyprop-1-ynyl)-2,2'-bithiophene (6) is a new compound, and 5-(3-hydroxy-4-isovaleroyloxybut-1-ynyl)-2,2'...

journal_title：Journal of Asian natural products research

authors： Wang Y,Li X,Meng DL,Li ZL,Zhang P,Xu J

更新日期：2006-10-01 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：:Two new lignan glycosides forsythiayanoside A (1) and forsythiayanoside B (2), one new stereoisomer of lignan glycoside (+)-8-hydroxyepipinoresinol-4-O-β-D-glucopyranoside (3), together with seven known compounds (4-10), were isolated from the fruits of Forsythia suspense (Thunb.) Vahl. Compounds 4 and 10 were isolate...

journal_title：Journal of Asian natural products research

authors： Yan XJ,Peng Y,Liu ZX,Wen J,Liu QB,Li LZ,Song SJ

更新日期：2014-01-01 00:00:00

abstract：:Anemarchalconyn (1) and anemarcoumarin A (2), the natural bioactive compounds isolated from the rhizomes of Anemarrhena asphodeloides Bunge (Liliaceae), were first totally synthesized using easily available materials in short, convenient routes with overall yields of 32 and 48%. ...

journal_title：Journal of Asian natural products research

authors： Zhang JX,Li ZY,Wang YC,Ma WB,Hou M,Cao SH,Tang KH,Dong HB

更新日期：2017-09-01 00:00:00

abstract：:Suberoylanilide hydroxamic acid (1), as well as other histone deacetylase (HDAC) inhibitors, are promising, targeted anticancer agents. Curcumin (2), a possible antitumor agent, exhibits a HDAC inhibiting effect but with a different mechanism, and was proposed to synergize with other drugs, including HDAC inhibitors. ...

journal_title：Journal of Asian natural products research

authors： Zhao JY,Lu N,Yan Z,Wang N

更新日期：2010-05-01 00:00:00

abstract：:A new cerebroside, asperiamide A, and adenosine were produced from a marine fungus, identified as Asperillus sp., collected in the Mei Zhou Gulf, China. Two-dimensional NMR methods, FAB-MS, were used to established the structure of the new compound. ...

journal_title：Journal of Asian natural products research

authors： Ouyang MA,Liu R,Kuo YH

更新日期：2005-10-01 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：:Ten (1-10) irritant and mild co-carcinogenic diterpene esters were isolated from the latex of Euphorbia cauducifolia L. using bioassay-guided countercurrent distribution and other chromatographic techniques. The isolated compounds were characterized on the basis of spectroscopic results and mass measurements. As an ou...

journal_title：Journal of Asian natural products research

authors： Baloch IB,Baloch MK

更新日期：2010-07-01 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

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：: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：:A new prenylated coumarin diglycoside, 6-prenylcoumarin-7-O-β-D-apiofuranosyl-(1→6)-β-D-glucopyranoside (1) and five known flavonoid glycosides (2-6) were isolated from the leaves and stems of Clausena dunniana. The structures of these isolates were elucidated based on comprehensive MS, UV, IR, and NMR spectroscopic d...

journal_title：Journal of Asian natural products research

authors： Cao NK,Zhu SS,Chen YM,Ma XL,Zhao MB,Li J,Tu PF,Jiang Y

更新日期：2020-08-30 00:00:00

abstract：:Two new 3,4-seco-lanostane-type triterpenes, named as 15α-hydroxy-3,4-seco-lanosta-4(28),8,24-triene-3,21-dioic acid (1), 5α-hydroxy-3,4-seco-lanosta-4(28),8,24-triene-3,21-dioic acid 3-methyl ester (2), and one new lanostane triterpene 15α-acetoxylhydroxytrametenolic acid (3) together with a known one versisponic aci...

journal_title：Journal of Asian natural products research

authors： Yin X,Li ZH,Li Y,Feng T,Liu JK

更新日期：2015-01-01 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：:Investigation of the constituents from the stem barks of Garcinia multiflora has yielded two new compounds, multiflorabiphenyl A (1) and 24-p-E-coumaroyl-tetracosanyl (E)-ferulate (2), along with 10 known compounds, friedelin (3), friedelan-3β-ol (4), α,β-amyrin (5), rheediachromenoxanthone (6), 1,7-dihydroxyxanthone ...

journal_title：Journal of Asian natural products research

authors： Jing WY,Jiang C,Ji F,Hua HM,Li ZL

更新日期：2013-11-01 00:00:00

abstract：:A total of 15 novel-substituted 3-(benzylsulfanyl)-1H-1,2,4-triazol-5-ylamine and 10 novel-substituted 3-benzylmercapto-1,2,4-triazol derivatives were synthesized based on the natural product phenazine-1-carboxylic acid (PCA). Their structures were confirmed by 1H-NMR, 13C-NMR, HRMS, and X-ray. Most substituted 3-benz...

journal_title：Journal of Asian natural products research

authors： Li XJ,Zhang W,Zhao CN,Wu QL,Li JK,Xu ZH

更新日期：2020-05-07 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：:Three new alkylated benzoquinones, 2-hydroxy-5-ethoxy-3-nonyl-1,4-benzoquinone (1), 5-O-butyl-embelin (2), and 2,5-dihydroxy-6-methyl-3-pentadecyl-1,4-benzoquinone (3), together with seven known analogues (4-10), were isolated from the stems and twigs of mangrove plant, Aegiceras corniculatum. Their structural elucida...

journal_title：Journal of Asian natural products research

authors： Li Y,Dong C,Xu MJ,Lin WH

更新日期：2020-02-01 00:00:00

abstract：:A phytochemical investigation on the whole plant of Aconitum tanguticum (Ranunculaceae) resulted in the isolation and characterization of two new phenylpropanoid glycosides (1 and 2). Their structures were elucidated as 4-hydroxyphenethoxy-8-O-β-d-[6-O-(4-O-β-d-glucopyranosyl)-sinapoyl]-glucopyranoside (1) and 3,4-dim...

journal_title：Journal of Asian natural products research

authors： Li YR,Xu L,Li C,Wang ZM,Yang LX

更新日期：2014-01-01 00:00:00

abstract：:A new bioactive flavone glycoside 1 [mp 252-254 degrees C, C28H32O16, [M]+ 624 (EIMS)] was isolated from the acetone soluble fraction of the defatted seeds of Cassia fistula (Linn.). It was characterized as a new bioactive flavone glycoside 5,3',4'-tri-hydroxy-6-methoxy-7-O-alpha-L-rhamnopyranosyl-(1 --> 2)-O-beta-D-g...

journal_title：Journal of Asian natural products research

authors： Yadava RN,Verma V

更新日期：2003-03-01 00:00:00