Academic literature on the topic '2-Deoxy Oligosaccharides'

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Journal articles on the topic "2-Deoxy Oligosaccharides"

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Kazakova, Ekaterina D., Dmitry V. Yashunsky, Elena A. Khatuntseva, and Nikolay E. Nifantiev. "Azidophenylselenylation of glycals towards 2-azido-2-deoxy-selenoglycosides and their application in oligosaccharide synthesis." Pure and Applied Chemistry 92, no. 7 (2020): 1047–56. http://dx.doi.org/10.1515/pac-2020-0105.

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Abstract2-Amino-2-deoxy-pyranosyl units are important structural components of cell-wall polymers in prokaryotes, fungi and mammals. With respect to the need for development of novel and efficient vaccines and tools for serodiagnosis of infectious diseases, of particular interest are the oligosaccharide cell-wall antigens of pathogenic bacteria and fungi, which comprise 2-amino-2-deoxy-D-glucopyranose and 2-amino-2-deoxy-D-galactopyranose units as α- or β-anomers. Synthesis of N-acylated α-GlcN and α-GalN containing oligosaccharides is a special challenge due to the presence of a participating
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Cai, Zhi Peng, Wen Li Wang, Louis Conway, et al. "1,3-Di(2-dipyridyl)propan-1,3-dione – a new fluorogenic labeling reagent for milk oligosaccharides." Pure and Applied Chemistry 89, no. 7 (2017): 921–29. http://dx.doi.org/10.1515/pac-2016-0914.

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Abstract:We herein demonstrate the use of 1,3-di(2-dipyridyl)propan-1,3-dione (DPPD) as a fluorogenic label for oligosaccharides. A number of milk-derived oligosaccharide standards were successfully labeled with this reagent, with the advantage of greatly simplified sample preparation compared to other commonly used fluorescent tags. DPPD shows a selectivity for oligosaccharides which do not possess a 2-acetamido-2-deoxy-hexose moiety at the reducing terminus, potentially aiding in the identification of complex mixtures of carbohydrates. The use of DPPD for the structural determination of olig
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Schwartz, David A., Ho-Huat Lee, Jeremy P. Carver, and Jiri J. Krepinsky. "Syntheses of model oligosaccharides of biological significance. 4. Synthesis of a fucosylated N,N′-diacetylchitobioside and related oligosaccharides." Canadian Journal of Chemistry 63, no. 5 (1985): 1073–79. http://dx.doi.org/10.1139/v85-182.

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The synthesis of two trisaccharides and one disaccharide containing L-fucose and 2-acetamido-2-deoxy-D-glucose is reported. Methyl 3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranoside was glycosylated with a 3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl bromide. Removal of the phthalimido protecting groups by hydrazinolysis followed by N-acetylation and debenzylation yielded methyl N,N′-diacetylchitobioside 3′,4′,6′-triacetate. The latter was selectively fucosylated at the 6-position with 2,3,4-tri-O-benzyl-α-L-fucopyranosyl bromide to yield, after debenzylation and de-O-ace
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Bongat, Aileen F. G., Medha N. Kamat, and Alexei V. Demchenko. "Chemoselective Synthesis of Oligosaccharides of 2-Deoxy-2-aminosugars." Journal of Organic Chemistry 72, no. 4 (2007): 1480–83. http://dx.doi.org/10.1021/jo062171d.

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Banoub, Joseph, Paul Boullanger, and Dominique Lafont. "Synthesis of oligosaccharides of 2-amino-2-deoxy sugars." Chemical Reviews 92, no. 6 (1992): 1167–95. http://dx.doi.org/10.1021/cr00014a002.

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Pongdee, Rongson, Bin Wu та Gary A. Sulikowski. "One-Pot Synthesis of 2-Deoxy-β-oligosaccharides". Organic Letters 3, № 22 (2001): 3523–25. http://dx.doi.org/10.1021/ol016593f.

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Hanna, H. Rizk, та David R. Bundle. "Antibody–oligosaccharide interactions: the synthesis of 2-deoxy-α-L-rhamnose containing oligosaccharide haptens related to Shigella flexneri variant Y antigen". Canadian Journal of Chemistry 71, № 1 (1993): 125–34. http://dx.doi.org/10.1139/v93-018.

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A series of di- and trisaccharide glycosides based on the α-L-Rha(1 → 3)β-D-GlcNAc and α-L-Rha(1 → 3)α-L-Rha(1 → 3)β-D-GlcNAc elements have been synthesized to locate the minimal oligosaccharide determinant of the Shigella flexneri O-polysaccharide, which is built from a tetrasaccharide repeating unit, [ → 2) α-L-Rhap(1 → 2)α-L-Rhap(1 → 3)α-L-Rhap(1 → 3)β-D-GlcNAcp(1-]n. These compounds also serve to identify the carbohydrate surface of the Shigella antigen that interacts with a monoclonal antibody, currently the subject of crystallographic studies. Two strategies utilizing suitably protected
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Rodríguez, Miguel Ángel, Omar Boutureira, Xavier Arnés, M. Isabel Matheu, Yolanda Díaz, and Sergio Castillón. "Stereoselective Synthesis of 2-Deoxy-2-iodo-glycosides from Furanoses. A New Route to 2-Deoxy-glycosides and 2-Deoxy-oligosaccharides ofriboandxyloConfiguration." Journal of Organic Chemistry 70, no. 25 (2005): 10297–310. http://dx.doi.org/10.1021/jo051461b.

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Whitfield, Dennis M., Henrianna Pang, Jeremy P. Carver та Jiri J. Krepinsky. "Syntheses of model oligosaccharides of biological significance. X.•Syntheses and NMR and mass spectral analysis of trideuteriomethyl di-3,6-O-(4-O-β-D-galactopyranosyl-2-acetamido-2-deoxy-β-D-glucopyranosyl)-β-D-galactopyranoside: the I antigen branchpoint penta- and tetrasaccharides and a related trisaccharide". Canadian Journal of Chemistry 68, № 6 (1990): 942–52. http://dx.doi.org/10.1139/v90-147.

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As part of our studies of complex oligosaccharides, in particular their three-dimensional structure, we have synthesized the antigen I branchpoint penta- and tetrasaccharides. The unbranched trisaccharide 3D was also synthesized, and its derivative 3B served as the intermediate for the synthesis of higher oligosaccharides. NMR spectra of major intermediates as well as of the final oligosaccharides were completely assigned. Mass spectra of the synthetic intermediates and the final oligosaccharides were analyzed and compared with those of a similar group of oligosaccharides containing L-fucose,
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BANOUB, J., P. BOULLANGER, and D. LAFONT. "ChemInform Abstract: Synthesis of Oligosaccharides of 2-Amino-2-deoxy Sugars." ChemInform 24, no. 12 (2010): no. http://dx.doi.org/10.1002/chin.199312317.

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Dissertations / Theses on the topic "2-Deoxy Oligosaccharides"

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Pongdee, Rongson. "New methods for 2-Deoxy-Beta-Oligosaccharide synthesis and progress towards the total synthesis of Lomaiviticinone." Texas A&M University, 2003. http://hdl.handle.net/1969.1/356.

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The oligosaccharide domain of many secondary metabolites have been demonstrated to be pivotal for the biological efficacy of the parent glycoconjugate. In most cases, the alteration or removal of these carbohydrate residues results in the greatly diminished or completely abolished biological activity of the natural product. A common structural motif found in secondary metabolites possessing carbohydrate domains is the 2-deoxy-β-glycosidic linkage which are among the most difficult to establish in a stereocontrolled fashion. Chapter I provides background information describing the difficulties
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Paul, Somak. "Synthesis Of 2-Deoxy-1-Thioglycosides And Establishing Their Efficient Glycosyl Donor Properties To Prepare Aryl 2-Deoxy Glycosides And 2-Deoxy Oligosaccharides." Thesis, 2008. https://etd.iisc.ac.in/handle/2005/737.

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Carbohydrates are a family of polyfunctional natural products and can be chemically modified in numerous ways. The primary significance of carbohydrates rests in their importance in biological functions. A particular class of sugars, namely, 2-deoxy or C-2 modified sugars has received a special attention, due to their importance in biological functions. These sugars are defined as carbohydrates carrying a hetero-atom, other than the hydroxyl group, and their derivatives. There is an ever-leading requirement to synthesize various carbohydrates-containing natural and un-natural products, such as
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Paul, Somak. "Synthesis Of 2-Deoxy-1-Thioglycosides And Establishing Their Efficient Glycosyl Donor Properties To Prepare Aryl 2-Deoxy Glycosides And 2-Deoxy Oligosaccharides." Thesis, 2008. http://hdl.handle.net/2005/737.

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Carbohydrates are a family of polyfunctional natural products and can be chemically modified in numerous ways. The primary significance of carbohydrates rests in their importance in biological functions. A particular class of sugars, namely, 2-deoxy or C-2 modified sugars has received a special attention, due to their importance in biological functions. These sugars are defined as carbohydrates carrying a hetero-atom, other than the hydroxyl group, and their derivatives. There is an ever-leading requirement to synthesize various carbohydrates-containing natural and un-natural products, such as
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Yen, Yu-Fang, and 顏鈺芳. "(1)Solvent Participating One-pot Glycosylation, (2)Oligosaccharides Synthesis Using 2-Azido-2-Deoxy- Glycopyranosyl Donors." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/35191346748684589196.

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碩士<br>國立交通大學<br>應用化學系碩博士班<br>99<br>This thesis is divide into two parts: 1. Solvent participating one-pot glycosylation (SPOG) strategy was developed on the base of low concentration beta-selective glycosylation method. This strategy enables the control of stereochemistry in one-pot glycosylations through solvent addition. Meanwhile, further application of the low concentratnion glycosylation (LCG) to orthogonal glycosylation strategy is explored. Combining glycosyl phosphates and thioglycosides, oligosaccharides could be synthesized in a one-pot manner to furnish in good yield and excellent
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Daskhan, Gour Chand. "C-2 And C-4 Branched Carbohydrates : (i) Synthesis And Studies Of Oligosacchardes With Expanded Glycosidic Linkage At C-4; (ii) Synthesis Of 2-Deoxy-2-C-Alkyl Glycopyranosides." Thesis, 2012. https://etd.iisc.ac.in/handle/2005/2462.

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Daskhan, Gour Chand. "C-2 And C-4 Branched Carbohydrates : (i) Synthesis And Studies Of Oligosacchardes With Expanded Glycosidic Linkage At C-4; (ii) Synthesis Of 2-Deoxy-2-C-Alkyl Glycopyranosides." Thesis, 2012. http://etd.iisc.ernet.in/handle/2005/2462.

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