C19-Diterpenoid alkaloids from Delphinium umbrosum.

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：: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：: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：: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：:Four new furostanol glycosides were isolated from the flowers of Hosta plantaginea (Lam.) Aschers. On the basis of spectroscopic methods including 1D and 2D NMR experiments, their structures were elucidated as 26-O-β-d-glucopyranosyl-(25R)-22-O-methyl-5α-furostan-2α,3β,22ξ,26-tetrol 3-O-α-l-rhamnopyranosyl-(1 → 4)-O-β...

journal_title：Journal of Asian natural products research

authors： Li XJ,Wang L,Xue PF,Xie HX,Wei H,Wang J

更新日期：2015-01-01 00:00:00

abstract：:Two new dammarane-type triterpene saponins were isolated from the red American ginseng. The new saponins were named as pseudoginsenoside G(1) and pseudoginsenoside G(2). Their structures were elucidated by the combined analysis of NMR and mass spectrometry as 3-O-[β-d-glucopyranosyl-(1 → 2)-β-d-glucopyranosyl]-dammar-...

journal_title：Journal of Asian natural products research

authors： Liu JP,Lu D,Li PY

更新日期：2011-03-01 00:00:00

abstract：:Two new compounds, 3-O-(13-hydroxy-9Z,11E,15E-octadecatrienoyl) cycloeucalenol (1) and 24'-hydroxy-tetracosyl ferulate (2), together with one known compound, tetracosyl ferulate (3), were isolated from the dried stems of Gnetum pendulum. The two new compounds were structurally elucidated by spectroscopic and chemical ...

journal_title：Journal of Asian natural products research

authors： Xiang WS,Wang JD,Wang XJ,Zhang J

更新日期：2008-11-01 00:00:00

abstract：:Thiazinogeldanamycin (2) was identified from Streptomyces hygroscopicus 17997 at the late stage of the fermentation. The pH was firstly proposed as an important factor in the biosynthesis of it. It was verified that 2 was produced by direct chemical reactions between geldanamycin (1, GDM) and cysteine or aminoethaneth...

journal_title：Journal of Asian natural products research

authors： Liu YF,Zhong JJ,Lin L,Liu JJ,Wang YG,He WQ,Yang ZY

更新日期：2016-08-01 00:00:00

abstract：:Phytochemical study on the leaves of Rhodomyrtus tomentosa resulted in the isolation of fourteen compounds including a new acylphloroglucinol, named tomentosone C (1), and a new flavonol glycoside, namely myricetin-3,7,3'-trimethyl ether-5'-O-β-glucopyranoside (2). Their structures were characterized by spectral data ...

journal_title：Journal of Asian natural products research

authors： Liu HX,Tan HB,Qiu SX

更新日期：2016-06-01 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：: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：:A new furanocoumarin named lucidafuranocoumarin A (7) together with 13 known coumarins (1-6, 8-14) and four known alkaloids (15-18) was isolated from the roots of Feroniella lucida. Their structures were elucidated on the basis of spectroscopic analysis. Some of the isolates were evaluated for their biological activit...

journal_title：Journal of Asian natural products research

authors： Sripisut T,Cheenpracha S,Laphookhieo S

更新日期：2011-06-01 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：:Chromatographic separation of the ethyl acetate soluble part of the methanolic extract from Seriphidium stenocephalum yielded three new compounds: stenocepflavone (1), stenocepflavan (2), and stenocephol (3), together with cirsimaritin (4), 5,7,5'-trihydroxy-3',4',6-trimethoxyflavone (5), 5,6,7,5'-tetrahydroxy-4'-meth...

journal_title：Journal of Asian natural products research

authors： Shafiq N,Riaz N,Ahmed S,Ashraf M,Ejaz SA,Ahmed I,Saleem M,Touseef MI,Tareen RB,Jabbar A

更新日期：2013-01-01 00:00:00

abstract：:Two new xanthone O-glycosides, polyhongkongenosides A (1) and B (2), together with four known xanthone glycosides, were isolated from the herbs of Polygala hongkongensis Hemsl. Their structures were elucidated on the basis of UV, IR, NMR, and MS spectral data. The antioxidant in vitro activities of 1-6 were determined...

journal_title：Journal of Asian natural products research

authors： Wu JF,Chen SB,Gao JC,Song HL,Wu LJ,Chen SL,Tu PF

更新日期：2008-07-01 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：:Two new selaginellin derivatives, selaginellins K (1) and L (2), were isolated from Selaginella tamariscina (Beauv.) Spring and characterized as 2-formyl-4,4'-dihydroxy-3-[(4-hydroxyphenyl)ethynyl]biphene and 4,4'-dihydroxy-2-methyl-3-[(4-hydroxyphenyl)ethynyl]biphene on the basis of their spectroscopic data including...

journal_title：Journal of Asian natural products research

authors： Xu KP,Zou H,Li FS,Xiang HL,Zou ZX,Long HP,Li J,Luo YJ,Li YJ,Tan GS

更新日期：2011-04-01 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：:Two new stemoninine-type alkaloids, stemoninine A (1) and B (2), along with two known Stemona alkaloids, bisdehydrostemoninine (3) and bisdehydrostemoninine A (4), were isolated from the roots of Stemona sessilifolia, and their structures and relative configurations were determined on the basis of spectrometric data a...

journal_title：Journal of Asian natural products research

authors： Wang P,Liu AL,Li ZH,Du GH,Qin HL

更新日期：2008-03-01 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：:Two rarely phenolic acid-substituted alloses (1, 2) and one new glucoside (3), as well as nine known compounds (4-12) were isolated from rhizomes of Cibotium barometz (L.) J. Sm. Structures of 1-3 were established by extensively spectroscopic analyses (NMR, MS, etc.) and acid hydrolysis. All compounds were evaluated f...

journal_title：Journal of Asian natural products research

authors： Li L,Xie MP,Sun H,Lu AQ,Zhang B,Zhang D,Wang SJ

更新日期：2019-10-01 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：:Four new diterpenoids named 1-epi-9-hydroxydepressin (1), 1-epi-8-hydroxydepressin (2), 2,13,9-trihydroxy-labda-8(17),12(E),14-triene (3) and tagalsin I (4) were isolated from Euphorbia rapulum. The structures of these compounds were elucidated by means of various spectroscopic methods. All the isolated compounds were...

journal_title：Journal of Asian natural products research

authors： Liu XX,Shang L,Huang C,Feng XS,Li W,Sha Y,Huang J,Wang JH

更新日期：2016-09-01 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

abstract：:Two new meroterpenes, guignardone D (1) and guignardone E (2), were isolated from endophytic fungus A1 of Scyphiphora hydrophyllacea Gaertn. F. Their structures were established based on spectroscopic methods including 1D and 2D NMR (HMQC, (1)H-(1)H COSY, HMBC, and ROESY). ...

journal_title：Journal of Asian natural products research

authors： Zheng B,Zeng YB,Dai HF,Zuo WJ,Guo ZK,Yang T,Zhong HM,Mei WL

更新日期：2012-01-01 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 new prenylated coumarin (1) and a new anthranilamide derivative (2) were isolated from the aerial parts of Evodia lepta. Compound 2 represents the first anthranilamide derivative from the Evodia genus. Their structures were elucidated by spectroscopic data analysis (MS, UV, IR, and NMR). Compound 1 exhibited certain...

journal_title：Journal of Asian natural products research

authors： Xie XL,Ye GH,Xue JJ,Su T,Tang GH,Li W,Yin S

更新日期：2020-05-01 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：: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：: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