Two new meroterpenes from endophytic fungus A1 of Scyphiphora hydrophyllacea.

abstract：:Phytochemical investigation of the roots of Arisaema jacquemontii led to the isolation of two new triterpenoids, which were characterized by NMR, IR, and MS spectra as 30-nor-lanost-5-ene-3beta-ol (1) and 30-norlanost-5-ene-3-one (2). ...

journal_title：Journal of Asian natural products research

authors： Jeelani S,Khuroo MA,Razadan TK

更新日期：2010-02-01 00:00:00

abstract：:Three new iridoids, named artselaenin I, II and III, were isolated from the whole plants of Pedicularis artselaeri, along with 11 known compounds, 8-epiloganic acid, 7-deoxy-8-epiloganic acid, plantarenaloside, mussaenoside, lariciresinol-4-O-beta-D-glucoside, lariciresinol-4'-O-beta-D-glucoside, alaschaniosideA, cirt...

journal_title：Journal of Asian natural products research

authors： Su BN,Zhai JJ,Jia ZJ

更新日期：1998-01-01 00:00:00

abstract：:A new naphthalene derivative, 1-methyl-2,3-methylenedioxy-6-naphthalenecarboxylic acid methyl ester (1), and a new alkaloid, ( +/- )-1-phenyl-2-imido-1-propanol (2), together with the four known compounds, ephedrine, pseudoephedrine, N-methylephedrine, and 6-methoxykynurenic acid, have been isolated from the stems of ...

journal_title：Journal of Asian natural products research

authors： Zhao W,Deng AJ,Du GH,Zhang JL,Li ZH,Qin HL

更新日期：2009-01-01 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 spirocyclic compound named (2S, 5S, 7S)-3α-hydroxyl-exogonic acid (1) was isolated from the liquid culture of entomogenous fungus Isaria cateniannulata. The structure and relative stereochemistry of 1 were elucidated by extensive spectroscopic analysis and by comparison of its NMR data with those of known compou...

journal_title：Journal of Asian natural products research

authors： Yang XL,Li ZZ,Zhang S,Yu H,Zhu HJ,Luo DQ

更新日期：2012-01-01 00:00:00

abstract：:Three new acetylated anthraquinone glycosides (1-3) were isolated from the seed of Cassia obtusifolia, together with one parent anthraquinone glycoside (1a). Their structures were determined on the basis of spectroscopic methods and physicochemical properties as obtusifoline-2-O-β-d-2, 6-di-O-acetylglucopyranoside (1)...

journal_title：Journal of Asian natural products research

authors： Wu XH,Cai JJ,Ruan JL,Lou JS,Duan HQ,Zhang J,Cheng CR,Guo DA,Wu ZY,Zhang YW

更新日期：2011-06-01 00:00:00

abstract：:Two new saponins, capilliposide G (1) and capilliposide H (2), were isolated from the whole plants of Lysimachia capillipes. Their structures were determined by 1D and 2D NMR, MS technique and chemical methods. ...

journal_title：Journal of Asian natural products research

authors： Tian JK,Xu LZ,Zou ZM,Yang SL

更新日期：2006-07-01 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：:Podophyllotoxin and its synthetic derivatives are valuable medicinal agents that have antitumor, insecticidal, and antifungal properties. We previously synthesized a deoxypodophyllotoxin derivative with an opened D-ring (DPD) exhibiting potent insecticidal activity. This article was firstly performed to identify the c...

journal_title：Journal of Asian natural products research

authors： Chen C,Wang CC,Wang Z,Geng WY,Xu H,Song XM,Luo DQ

更新日期：2016-05-01 00:00:00

abstract：:Two new furostanol saponins, tribufurosides B (1) and C (2), were isolated from the fruits of Tribulus terrestris L. With the help of chemical and spectral analyses (IR, MS, 1D NMR and 2D NMR), the structures of two new furostanol saponins were established as 26-O-beta-d-glucopyranosyl-(25S)-5alpha-furost-20(22)-en-2a...

journal_title：Journal of Asian natural products research

authors： Xu TH,Xu YJ,Xie SX,Zhao HF,Han D,Li Y,Niu JZ,Xu DM

更新日期：2008-05-01 00:00:00

abstract：:Four new compounds, uvamalols A-C and uvarimacrophin A, have been isolated from the roots of Uvaria macrophylla. Their structures have been elucidated by spectroscopic methods. The relative configurations of uvamalols A-C have been established by NOE experiments, and the relative stereochemistry of uvarimacrophin A in...

journal_title：Journal of Asian natural products research

authors： Wang S,Zhang PC,Chen RY,Dai SJ,Yu SS,Yu DQ

更新日期：2005-10-01 00:00:00

abstract：:Biotransformation of podophyllotoxin (PT) by several microbial species has been investigated. Among the fungi tested, it was found that Penicillium strains can isomerize PT to picropodophyllin (PPT) in 8% yield and other strains also transform the substrate into the same product but with lower yield. ...

journal_title：Journal of Asian natural products research

authors： Guo HZ,Guo DA,Fei XY,Cui YJ,Zheng JH

更新日期：1998-01-01 00:00:00

abstract：:(+)-Lariciresinol 3a-acetate [(+)-(3S)-acetyloxymethyl-(2S)-(4-hydroxy-3-methoxyphenyl)-(4R)-[(4-hydroxy-3-methoxyphenyl)methyl]tetrahydrofuran] (1), a metabolite of A. elaeagnoidea was synthesized starting from (-)-lariciresinol (2) in three steps with an overall yield of 66%. ...

journal_title：Journal of Asian natural products research

authors： Rajasekhar D,Subbaraju GV

更新日期：2000-01-01 00:00:00

abstract：:Carpesides A (1) and B (2), two new 8-O-4'-neolignan glucosides, and eupatriol 9-O-beta-d-apiofuranosyl-(1 --> 6)-beta-d-glucopyranoside (3), one new monoterpenoid diglycoside, together with 10 known glycosidic compounds, were isolated from the aerial part of Carpesium cernuum L. The structures of the new glycosides a...

journal_title：Journal of Asian natural products research

authors： Ma JP,Tan CH,Zhu DY

更新日期：2008-05-01 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：:A new triterpenoid, 11α,12α-epoxy-3β-hydroxy-24-nor-olean-4(23)-en-28,13β-olide (1), and a new glycoside, benzyl 2-O-β-d-apiofuranosyl-(1 → 2)-β-d-glucopyranosyl benzoate (2), together with eight known triterpenoids (3-10), were isolated from Pilea cavaleriei subsp. cavaleriei. Their structures were established on the...

journal_title：Journal of Asian natural products research

authors： Ren HC,Qin RD,Wang Q,Cheng W,Zhang QY,Liang H

更新日期：2012-01-01 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：:Tripterygium wilfordii Hook. f. is the traditional medicinal plants in China. Triptolide, wilforgine, and wilforine are the bioactive compounds in T. wilfordii. In this study, the contents of three metabolites and transcription levels of 21 genes involved in three metabolites biosynthesis in T. wilfordii were examined...

journal_title：Journal of Asian natural products research

authors： Zhang J,Huo YB,Liu Y,Feng JT,Ma ZQ,Zhu CS,Zhang X

更新日期：2017-08-01 00:00:00

abstract：:Pseudolaric acid-B (PLAB), a diterpene acid, was isolated from the root and trunk barks of Pseudolarix kaempferi. It showed antifungal and anti-fertility effects as well as cytotoxic activities in previous studies. The present study investigates cytotoxic activity on cultured human cancer cells, inhibition on the grow...

journal_title：Journal of Asian natural products research

authors： Liu B,Chen H,Lei ZY,Yu PF,Xiong B

更新日期：2006-04-01 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：:Chemical studies on the roots of Fraxinus rhynchophylla led to the isolation of fraxisecoside (1), a novel coumarin-secoiridoid hybrid glycoside, namely, fraxetin-8-O-[11'-methyl-oleosidyl-(7'-->6'')]-beta-D-glucopyranoside and 14 known compounds. Their structures were elucidated based on chemical evidence and spectro...

journal_title：Journal of Asian natural products research

authors： Xiao K,Song QH,Zhang SW,Xuan LJ

更新日期：2008-01-01 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：: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：: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：: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 periplogenin cardenolide, periplogulcoside (1), together with three known cardenolides, was isolated from the seeds of Antiaris toxicaria. The structure of the new compound was characterized as periplogenin-3-O-β-D-glucopyranosyl-(1 → 4)-β-D-glucopyranoside (1) by spectroscopic methods including 1D and 2D NMR, H...

journal_title：Journal of Asian natural products research

authors： Wu XL,Wu YL,Li HG,Liu HT,Fu XY,Cui RQ,Wang JH,Liu C,Chen J

更新日期：2014-01-01 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：:Irritant and cytotoxic potentiality of six coumarins, isolated for the first time from the roots of Angelica glauca identified as 5,6,7-trimethoxycoumarin, 6-methoxy-7,8-methylenedioxycoumarin, bergapten, decursinol angelate, decursin, and nodakenetin, were investigated. The irritant potential was explored by open mou...

journal_title：Journal of Asian natural products research

authors： Saeed MA,Sabir AW

更新日期：2008-01-01 00:00:00

abstract：:Resveratrol (3,4',5-trihydroxy-trans-silbene), a natural phytoalexin found in grapes and other food products, has promising anti-inflammatory and anticancer effects. To observe the modulation of interleukin-8 (IL-8) production in human monocytic cells by resveratrol and explore its mechanism at the gene transcription ...

journal_title：Journal of Asian natural products research

authors： Shen F,Chen SJ,Dong XJ,Zhong H,Li YT,Cheng GF

更新日期：2003-06-01 00:00:00

abstract：:Eutypellol A (1), the first norsesquiterpenoid of sequicarene family, as well as eutypellol B (2), a rare 7-methyl oxidized 2-carene derivative, and one new natural product 2-(2-hydroxy-4-methylcyclohex-3-enyl)propanoic acid (3), along with eight known terpenoids, were isolated from the marine sediment-derived fungus ...

journal_title：Journal of Asian natural products research

authors： Liu HX,Zhang L,Chen YC,Sun ZH,Pan QL,Li HH,Zhang WM

更新日期：2017-02-01 00:00:00