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_name
J Asian Nat Prod Resjournal_title
Journal of Asian natural products researchauthors
Jeelani S,Khuroo MA,Razadan TKdoi
10.1080/10286020903505057subject
Has Abstractpub_date
2010-02-01 00:00:00pages
157-61issue
2eissn
1028-6020issn
1477-2213pii
919087114journal_volume
12pub_type
杂志文章abstract::A new sterol, stigmast-5-ene-3beta,17alpha-diol (1), together with six known compounds, stigmast-5-ene-3beta-yl formate (2), stigmast-5-ene-3beta,7alpha-diol (3), stigmast-5-ene-7alpha-methoxy-3beta-ol (4), stigmast-5-ene-3-one (5), 3beta-sitostanol (6), and 3beta-sitosterol (7), was isolated from the fruits of Syzygi...
journal_title:Journal of Asian natural products research
pub_type: 杂志文章
doi:10.1080/10286021003762028
更新日期:2010-05-01 00:00:00
abstract::A new oleanane type triterpene characterized as 3α, 24-diacetoxy-12-oleanene (1) together with known compounds 2-10, were isolated from Annona mucosa leaf extracts. Their structural elucidation was accomplished using physical and spectroscopic methods. The compounds showed weak to moderate insecticidal activities agai...
journal_title:Journal of Asian natural products research
pub_type: 杂志文章
doi:10.1080/10286020.2020.1818726
更新日期:2020-09-15 00:00:00
abstract::In the title study, the synthesis of the vital intermediate C-nor-aconanone (3) from 4 was completed through 11 steps, mainly including semipinacol rearrangement, formation of the imines by the treatment of 10 or 20 with NBS, the cleavage of N-C19 bonds in 11 or 21 by treatment with m-CPBA and subsequently with LTA, a...
journal_title:Journal of Asian natural products research
pub_type: 杂志文章
doi:10.1080/10286020801967128
更新日期:2009-01-01 00:00:00
abstract::Pfaffia paniculata is a commercialized dietary supplement used as the substitute for the Asian ginseng in Brazil. We conducted the systematic isolation of the EtOAc fraction with anti-inflammatory effect and two new triterpenoids, along with 26 known compounds were characterized by means of MS and NMR analysis. Intere...
journal_title:Journal of Asian natural products research
pub_type: 杂志文章
doi:10.1080/10286020.2018.1446949
更新日期:2019-05-01 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
pub_type: 杂志文章
doi:10.1080/10286020.2016.1188084
更新日期:2016-11-01 00:00:00
abstract::A seco-apotirucallane-type triterpenoid, namely angustifolianin (1), along with three dammarane-type triterpenoids, (20S, 24S)-epoxy-dammarane-3β,25-diol (2), 3-epi-cabraleahydroxylactone (3), and cabralealactone (4), were isolated from the stem bark of Aglaia angustifolia Miq. The Chemical structure of the new compou...
journal_title:Journal of Asian natural products research
pub_type: 杂志文章
doi:10.1080/10286020.2020.1776704
更新日期:2020-06-13 00:00:00
abstract::We present in this paper the efficient four-component one-pot synthesis of a fully protected hexaarabinogalactan 2 with di-branched structure by using D-thiogalactopyranoside 3,6-diol 3 as the central glycosylating agent. After global deprotection, 2 was converted into the 3-aminopropyl linker-containing free oligosac...
journal_title:Journal of Asian natural products research
pub_type: 杂志文章
doi:10.1080/10286020.2014.917084
更新日期:2014-01-01 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
pub_type: 杂志文章
doi:10.1080/10286020.2010.550575
更新日期:2011-03-01 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
pub_type: 杂志文章
doi:10.1080/10286020.2014.904292
更新日期:2014-01-01 00:00:00
abstract::Two new acylgluconic acids, trans-feruloylgluconic acid (1) and trans-caffeoylgluconic acid (2), together with three known compounds, myo-inositol (3), phthalic acid dibutyl ester (4), and wuzhuyuamide-I (5), were isolated from the water soluble part of the dried nearly ripe fruits of Evodia rutaecarpa (Juss.) Benth. ...
journal_title:Journal of Asian natural products research
pub_type: 杂志文章
doi:10.1080/10286020802031080
更新日期:2008-07-01 00:00:00
abstract::The phytochemical study of the aerial parts of Laggera pterodonta afforded two new eudesmane sesquiterpenes, 3alpha,4beta,11-trihydroxyenantioeudesmane (pterodontriol E) (1) and 4beta,8beta,11-trihydroxyenantioeudesmane (pterodontriol F) (2), along with seven known compounds. Their structures were elucidated on the ba...
journal_title:Journal of Asian natural products research
pub_type: 杂志文章
doi:10.1080/10286020500034964
更新日期:2006-06-01 00:00:00
abstract::A novel series of acylide derivatives have been synthesized which exhibit in vitro potency against key respiratory pathogens. Modification of position 3 was accomplished by replacing different 3-O-substituted acyl groups in the macrolide core via a facile procedure. Compounds 7a-7i were eventually yielded by the conju...
journal_title:Journal of Asian natural products research
pub_type: 杂志文章
doi:10.1080/10286020903176461
更新日期:2009-10-01 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::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
pub_type: 杂志文章
doi:10.1080/10286020.2016.1189906
更新日期:2017-02-01 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
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
pub_type: 杂志文章
doi:10.1080/10286020801967201
更新日期:2008-07-01 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
pub_type: 杂志文章
doi:10.1080/10286020801966575
更新日期:2008-05-01 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
pub_type: 杂志文章
doi:10.1080/10286020.2015.1027694
更新日期:2015-01-01 00:00:00
abstract::A new pyranoxanthone, venuloxanthone (1), was isolated from the stem bark of Calophyllum venulosum, together with three other xanthones, tovopyrifolin C (2), ananixanthone (3) and caloxanthone I (4), along with two common triterpenes, friedelin (5) and lupeol (6). The structures of these compounds were identified usin...
journal_title:Journal of Asian natural products research
pub_type: 杂志文章
doi:10.1080/10286020.2015.1047353
更新日期:2015-01-01 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
pub_type: 杂志文章
doi:10.1080/10286020.2015.1131679
更新日期:2016-05-01 00:00:00
abstract::Chemical investigation on the cultures of Phellinus tuberculosus and Laetiporus sulphureus lead to the isolation of two new illudin-type sesquiterpenoids (phellinuin J and sulphureuine A). Their structures were elucidated by 1D, 2D NMR and MS spectroscopic data. These compounds were purposely evaluated for their cytot...
journal_title:Journal of Asian natural products research
pub_type: 杂志文章
doi:10.1080/10286020.2015.1040774
更新日期:2015-01-01 00:00:00
abstract::Three new ursane-type triterpenoids, 2α,3β-dihydroxy-11α,12α-epoxy-urs-28,13β-olide (1), 2α,3β,24-trihydroxy-11α,12α-epoxy-urs-28,13β-olide (2), and 2α,3α,24-trihydroxy-11,20(30)-dien-urs-28,13β-olide (6), together with six known ursane-type triterpenoids (3-5, 7-9), were isolated from the EtOAc extract of the aerial ...
journal_title:Journal of Asian natural products research
pub_type: 杂志文章
doi:10.1080/10286020.2013.837458
更新日期:2013-09-01 00:00:00
abstract::A new cucurbitane triterpene, siraitic acid F (1), has been isolated from the roots of Siraitia grosvenorii (Swingle) C. Jeffrey, and its structure has been elucidated as 29-nor-4,24-diene-3,11-dioxo-19-hydroxy-6,19-cyclocucurbitane-26-oic acid on the basis of spectroscopic evidences, including a series of 2D NMR anal...
journal_title:Journal of Asian natural products research
pub_type: 杂志文章
doi:10.1080/10286020310001609010
更新日期:2005-02-01 00:00:00
abstract::The rhizome of Acorus tatarinowii is a well-known traditional Chinese medicine. Our extensive investigation on this plant material afforded two new compounds, including a cadinane-type sesquiterpenoid and a pyrazine derivative, along with seven known compounds. The structures of the new compounds, tatarinowin B and ta...
journal_title:Journal of Asian natural products research
pub_type: 杂志文章
doi:10.1080/10286020.2010.490522
更新日期:2010-06-01 00:00:00
abstract::Three series of sulfonate derivatives of paeonol were synthesized and screened in vitro for their anti-oomycete activity against P. capsici, respectively. Among all the compounds, 4m displayed the best promising and pronounced anti-oomycete activity against P. capsici than zoxamide, with the EC50 values of 24.51 and 2...
journal_title:Journal of Asian natural products research
pub_type: 杂志文章
doi:10.1080/10286020.2020.1718116
更新日期:2020-02-03 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
pub_type: 杂志文章
doi:10.1080/10286020.2021.1877674
更新日期:2021-01-29 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
pub_type: 杂志文章
doi:10.1080/10286020.2012.691475
更新日期:2012-01-01 00:00:00
abstract::The loss of glutamate transporter-1 (GLT-1) is associated with temporal lobe epilepsy (TLE). A recent study reported that Hsp90β interacted with GLT-1 and recruited it to 20S proteasome for degradation. Therefore, inhibiting Hsp90β may be a new strategy for treating epilepsy. So far, no studies have shown whether the ...
journal_title:Journal of Asian natural products research
pub_type: 杂志文章
doi:10.1080/10286020.2018.1530989
更新日期:2019-09-01 00:00:00
abstract::Ophiopogon japonicus polysaccharide (FOJ-5) from Radix ophiopogonis has shown anti-myocardial ischemic action in vitro and in vivo in our previous studies. In order to clarify the influence of chemical modifications on the action, a series of sulfated FOJ-5 (FOJ-5-S) with different substitution degrees were prepared a...
journal_title:Journal of Asian natural products research
pub_type: 杂志文章
doi:10.1080/10286020902727363
更新日期:2009-01-01 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
pub_type: 杂志文章
doi:10.1080/10286020.2013.763226
更新日期:2013-01-01 00:00:00