解剖学和形态学
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听力与言语-语言病理学
行为科学
心脏和心血管系统
细胞和组织工程学
临床神经病学
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牙科,口腔外科和医学
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abstract::A new angular dihydropyrancoumarin named wulongensin A, along with five known coumarins, (-)-anomalin, umbelliferone, (-)-smyrinol, 3'(S),4'(S)-disenecioyloxy-3',4'-dihydroseselin, (+)-trans-khellactone, was isolated from the root of Peucedanum wulongense. The structure of wulongensin A was established as 3'(R)-angelo...
journal_title:Journal of Asian natural products research
pub_type: 杂志文章
doi:10.1080/1028602031000082034
更新日期:2003-09-01 00:00:00
abstract::Four new oleanane type saponins, monepalosides G-J (1-4), were isolated from the water-soluble part of the whole plant of Morina nepalensis var. alba Hand-Mazz. On the basis of chemical and spectroscopic evidence, their structures were determined as 3-O-alpha-L-arabinopyranosyl-(1 --> 3)-alpha-L-arabinopyranosyl olean...
journal_title:Journal of Asian natural products research
pub_type: 杂志文章
doi:10.1080/10286020290028965
更新日期:2003-06-01 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
pub_type: 杂志文章
doi:10.1080/1028602031000066852
更新日期:2003-06-01 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
pub_type: 杂志文章
doi:10.1080/1028602031000080478
更新日期:2003-03-01 00:00:00
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
pub_type: 杂志文章
doi:10.1080/1028602021000049041
更新日期:2002-12-01 00:00:00
abstract::Two new ent-kaurane diterpenoid dimers, fritillebinide D (1) and fritillebinide E (2), were isolated from bulbs of Fritillaria ebeiensis G.D. Yu et G.Q. Ji. Their structures have been determined to be ent-3beta-acetoxy-kauran-16beta, 17-acetal ent-3beta-acetoxy-16beta-kauran-17(R)-aldehyde (1) and ent-3beta-acetoxy-ka...
journal_title:Journal of Asian natural products research
pub_type: 杂志文章
doi:10.1080/1028602021000049113
更新日期:2002-12-01 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
pub_type: 杂志文章
doi:10.1080/10286020290024004
更新日期:2002-09-01 00:00:00
abstract::Three new xanthone glycosides, securixanside A (1), securixanside B (2), and securixanside C (3) were isolated from the stems of Securidaca inappendiculata. These compounds were characterized by spectrometric and chemical methods, including FABMS and one- and two-dimensional NMR experiments. ...
journal_title:Journal of Asian natural products research
pub_type: 杂志文章
doi:10.1080/10286020290027434
更新日期:2002-06-01 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
pub_type: 杂志文章
doi:10.1080/10286020290019677
更新日期:2002-03-01 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
pub_type: 杂志文章
doi:10.1080/10286020108040366
更新日期:2001-01-01 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
pub_type: 杂志文章
doi:10.1080/10286020108040376
更新日期:2001-01-01 00:00:00
abstract::A new diterpenoid alkaloid, racemulotine (1), was isolated from the whole plants of Aconitum racemulosum Franch var. pengzhouense, and its structure was elucidated by 1D- and 2D-NMR spectra. ...
journal_title:Journal of Asian natural products research
pub_type: 杂志文章
doi:10.1080/10286020108042838
更新日期:2001-01-01 00:00:00
abstract::One kinds of glycolipid (SBI) have been isolated from the marine brown alga Sargassum hemiphyllum (Turn.) Ag. The structures of SBI have been determined as the sodium salt of 1-0-acyl-3-0-(6'-sulfo-alpha-D-quinovopyrannosyl) glycerol (acyl: tetradecanoyl, pentadecanoyl, 11-hexadecenoyl, hexadecanoyl, 10,13-octadecadie...
journal_title:Journal of Asian natural products research
pub_type: 杂志文章
doi:10.1080/10286020108041378
更新日期:2001-01-01 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
pub_type: 杂志文章
doi:10.1080/10286020108041376
更新日期:2001-01-01 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
pub_type: 杂志文章
doi:10.1080/10286020108041396
更新日期:2001-01-01 00:00:00
abstract::Two new constituents with a novel basic skeleton were isolated from Erigeron breviscapus. On the basis of chemical and spectroscopic evidences, the structures of the new compounds were elucidated as 1R,3R-dihydroxy-4S,5R-dicaffeoyloxy cyclohexane carboxylic acid methyl ester (V), 1,4-dihydroxy-3R,5R-dicaffeoyloxy cycl...
journal_title:Journal of Asian natural products research
pub_type: 杂志文章
doi:10.1080/10286020008041367
更新日期:2000-01-01 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
pub_type: 杂志文章
doi:10.1080/10286020008039904
更新日期:2000-01-01 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
pub_type: 杂志文章
doi:10.1080/10286020008039908
更新日期:2000-01-01 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
pub_type: 杂志文章
doi:10.1080/10286029908039863
更新日期:1999-01-01 00:00:00
abstract::A new flavonoid glycoside, 5,7-dihydroxy-4'-methoxyflavone-7-O-[6-O-(4-O-acetyl-alpha-L-rhamnosyl)-3-O-beta-D-glucosyl]-6-O-acetyl-beta-D-glucoside and three known flavonoid glycosides, 5,7-dihydroxy-4-methoxyflavone-7-0-[6-0-(4-0-acetyl-alpha-L-rhamnosyl)]-beta-D-glucoside, 3,5,7, 4'-tetrahydroxyflavonol-3-O-beta-D-g...
journal_title:Journal of Asian natural products research
pub_type: 杂志文章
doi:10.1080/10286029908039878
更新日期:1999-01-01 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
pub_type: 杂志文章
doi:10.1080/10286029808039851
更新日期:1998-01-01 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
pub_type: 杂志文章
doi:10.1080/10286029808039850
更新日期:1998-01-01 00:00:00