3, 3′, 4 tri o methyl ellagic acid structure.pdf - PDFQueen - PDF Search engine. Free unlimited pdf search and download.

Key words: Aphananthe aspera, ellagic acid glycosides; structure ... The chemical shift of the methyl carbon (δ 61.1) of 1 was similar to that of the 3-O-methyl .... 3,3′,4-Tri-O-methylellagic acid-4′- O-β-D-glucopyranoside (4), ...

http://www.springerlink.com/index/976HM8XH76412330.pdf

the 3-O-methyl derivative of ellagic acid. This substance has not been ... aria [5, 6], while 3,3',4-tri-O-methylellagic acid has been isolated ... FiZipen~ula ulmaria, and contradictory opinions have ~een expressed about its structure. ...

http://www.springerlink.com/index/T0MG13076K846231.pdf

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... (3), ellagic acid (4), and. 3, 3′-di-O-methyl ellagic acid-4-O-β-D-xylopyranoside (5) were isolated. .... When comparing its spectrum with that of 3, 3′, 4-tri-O- ... entire structure was definitely constructed by detailed analy- ...

http://www.informaworld.com/index/UQY2A1B7V7T8MEGX.pdf

side (3) [1], 3,30,40-tri-O-methylellagic acid 4-O-b-D-glucopyranoside (4) ... the 3-O-methyl derivative (d 60.8, e.g. 2), but different from that of the ...

http://www.informaworld.com/index/714005979.pdf

by A Alam - 2005 - Related articles

http://eprints.lib.okayama-u.ac.jp/11508/1/010_111_117.pdf

The structure was finally es- tablished by premethylation (Hakomori's method)11 of (I) followed by acid hydrolysis which gave 2,3,4-tri-. O-methyl-D-xylose ...

http://www.ias.ac.in/jarch/currsci/53/00001324.pdf

Hence the structure (I) has been assigned to the anthocyanin from sugar- ... ellagic acid (1) and 3,3', 4-tri-O-methyl-ellagic acid'. (II) from the bark. ...

http://www.ias.ac.in/jarch/currsci/43/00000598.pdf

by BR BROWN - 1966paper we describe investigations on the structure of the hydrolysable tannin isolated ..... gallic acid was isolated and identified. Ellagic acid was not present in thehydrolysate. .... methyl- and 3,4,5-tri-O-methyl-gallic acid, both ...

http://www.biochemj.org/bj/100/0733/1000733.pdf

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of unsterifiable acid, mono, di-, tri-saturated and triunsaturated ... homomangefirin (81), the structure of which was as to be 3-methyl-ether ... acid in the leaves, while bark of the plant consists of ellagic ..... non-phenolic constituents and 3-hydroxy-4'-methylbenzoyl chromone ... 3 o. 2. S S. CO. I. O ...

http://prr.hec.gov.pk/Chapters/538-3.pdf

Structure Elucidation of ß-Sitosterol-3-O-ß-D-glucoside (2) 148. Structure Elucidation ol 5,7,4'••'! ..... screening and two water insoluble compounds were identified as ellagic and dimethyiellagic acid which were the active compounds in this plant. ... Two phenolic compounds: 2,4-dihydroxy-6-methoxy-3-methyl- ...

http://prr.hec.gov.pk/Thesis/1030.pdf

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-3,3⋅,4-Tri-O-methyl ellagic acid (172) stems. -Sangkasila 1998 ...... Figure 17 Tannins (benzenoid structure) isolated from Phyllanthus species. ...

http://www.thapra.lib.su.ac.th/objects/thesis/fulltext/snamcn/Nuch_Pojchaijongdee/Chapter2.pdf

Part I. A trimethyl ether of ellagic acid and mairin, a new triterpene. ... with potential anticancer properties-a structure-activity relationship study. Part I: Methyl, propyl and octyl esters of caffeic and gallic acid. Bioorganic ... 3,4,3∙-Tri-O-methylellagic acid from. Lagerstroemia indica. ...

http://www.thapra.lib.su.ac.th/objects/thesis/fulltext/snamcn/Nuch_Pojchaijongdee/Bibliography.pdf

Haslam, E. Practical polyphenolics: from structure to molecular recognition .... Gallic acid and methyl gallate are commercially available. ...... Ellagitannins in the plant are hydrolyzed to release ellagic acid, which forms a .... In the synthesis of 1,2,3,4,6-penta-O-(tri-O-benzylgalloyl)-[U-14C]-D-glucopyranose ...

http://www.users.muohio.edu/hagermae/tannin.pdf

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Brevifolin, brevifolin carboxylic acid, ellagic acid, corilagin and phyllanthusiin U ... 1,2,6-Tri-O-galloyl-β-D-glucose, 1,2,3,6-tetra-O-galloyl-β-D- ... and its methyl and ethyl esters, bergenin and others (> 1000 µM). ... core structure for inhibitors of HCV protease. Efforts should be ...

http://journals.prous.com/journals/servlet/xmlxsl/dof/20093403/pdf/df340223.pdf?p_JournalId=2&p_refId=1344809&p_IsPs=N

Measurement of 3, 4, 5-tri-o-caffeoylquinic acid in the leaves of ... adducts and portisins: A structure activity study. 3rd Int Conf ...... M., Amiot, M. Ellagic acid and its methyl-derivatives inhibit a new. LDL-nitratase activity. ...

http://journals.prous.com/journals/servlet/xmlxsl/dof/20083303/pdf/df330249.pdf?p_JournalId=2&p_refId=3968&p_IsPs=Y

by A Crozier - 2009 - Cited by 6

http://www.food4health.dk/filer/0910/sem2/Natural_Product_Reports_2009_26_1001-1043.pdf

that a naturally occurring plant polyphenol, ellagic acid, inhibits the cytochrome P-450-dependent metabolism, .... Packard Tri-Carb 460 CD liquid scintillation spectrometer. RESULTS ... positions of the glucose moiety in the structure of tannic acid, ... 3. Tannic acid, quercetin, myricetin, and anthraflavic acid ...

http://cancerres.aacrjournals.org/cgi/reprint/47/3/760.pdf

prepared from either control or 3-methylcholanthrene-pretreated .... shown that ellagic acid inhibits the metablic activation and the .... were counted on a Packard Tri-Carb 460 CD liquid scintillation spec ..... of deoxyribonucleic acid structure and o infirmai inn and effects on transfec- tional activity. ...

http://cancerres.aacrjournals.org/cgi/reprint/47/3/767.pdf

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234(4): H454-H459, 1978 or Am. J. Physiol.: Heart Circ. Physiol. 3(4): H454-H459, 1978. -Arterial ... femoral artery and injection of ellagic acid. The criteria for .... (cy- a- a-tri-fluoro-2-methyl-4-nitro-m- proprionotoluidine; ..... that the structure of thrombi induced by insertion of an ...

http://ajpheart.physiology.org/cgi/reprint/234/4/H454.pdf

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Two galloyl groups in 3-O-digalloyl-1,2,4-tri-O-galloyl-β-glucose are .... methanolysed into methyl gallate that reacts with KIO3 to yield a quinone ... spectrometer characteristically shows gallic acid and ellagic acid ...... such as molecular weight of tannin in the extract, substituents, structure conformation, ...

http://etd.ohiolink.edu/send-pdf.cgi/Ansong Godfred.pdf?miami1083081905

stigmasterol-3-O-beta-D-glucopyranoside. The structure of the new compound was established by detailed ..... They were identified as hexadecyl-[O-2,3,4-tri- ... These data suggest that the antiplasmodial activity of ellagic acid could be ...... epoxycytochalasin Q, and (E)-methyl 3-(4-methoxyphenoxy)propenoate. ...

http://www.worldagroforestry.org/treesandmarkets/antimalariameeting/proceedings/documents/extras/Plantaphile LitRes Antiplasmodial.pdf

Structure. Formula. FW. Name. CP/1V-014. N. O. CH. 3. C10H11NO ... Styryl-carbamic acid methyl ester. SC-5132. N. O. O. CH. 3 ... C10H11BrO4. 275.10. 3-Bromo-4,5-dimethoxy-benzoic acid methyl ester. SC-2058 ..... Ellagic acid. CP/3V-010. O ..... Tri-O-Methyl Brevifolin. SC-7034. N. CH. 3 ...

http://www.afchempharm.co.uk/filelib/Current Screening Compounds.pdf

(3,4-dihydroxycinnamic acid) is one of the most widespread of all phenolic .... comparing the structure of the studied flavonoids with their mutagenic activity .... Ellagic acid also showed suppressing activity on methyl- ... TC-5 (probably a tri-or tetra-o-galloyl-D-glucose) exhibited IbD50 value of 71 jig and 8.9 ...

http://nasi.iiita.ac.in/library/Proceedings of the National Academy of Sciences India Section B Biological Sciences/Vol 66/1996_VOL.66B_PART-III.pdf

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http://scholar.lib.vt.edu/theses/available/etd-05082002-094755/unrestricted/Dissertation.PDF

File Format: PDF/Adobe Acrobatby S Tang - 2005II.3 Structure and bioactivities of cryptocaryalactones. ...... compounds (ellagic acids), fatty acids, etc. Table 7-1. Index of dropped extracts. Plant name ...... allyl group of 1-O-allyl-2,3,4-tri-O-triethylsilyl-α-glucopyranoside derivatives as ...... The methyl group of toluic acid was first deuterated ...

http://scholar.lib.vt.edu/theses/available/etd-02032006-160906/unrestricted/Maintext03.pdf

Methyl gallate, ethyl gallate, quercetin-3-O- galactoside, quercetin-3-O-glucoside, .... structure, ellagic acid (peak 40) is included in this sub- ...

http://www.ajevonline.org/cgi/reprint/56/2/139.pdf

acid pH 2.3 (solvent A) and methanol (solvent B): 3% B (15 ... all samples were treated with N,O-Bis(trimethylsilyl)tri- ..... 530-57-4 nd nd nr nr p-Cumaric acid. 7400-08-0 nd nd nr nr. Ellagic acid. 476-66-4. >5Ũ10-4. >5Ũ10-4 ..... Structure- antioxidant activity relationships of flavonoids and phenolic acids. ...

http://www.ajevonline.org/cgi/reprint/60/2/223.pdf

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https://oa.doria.fi/bitstream/handle/10024/2494/achemica.pdf?sequence=1

C A C A N C E R J C L I N 1 9 9 5 ; 4 5 : 3 1 - 4 9. VOL. 45 NO. ..... PhIP = 2-amino-1-methyl-6-phenylimidazo DMBA = 7,12-dimethylbenz(a)anthracene ... TPA = 12-O-tetradecanoylphorbol-13-acetate BOP = N-nitroso-bis (2-oxopropyl)amine ... Ellagic acid. DNA ploidy. Selenium compounds. Metaplasia/dysplasia. Incidence ...

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