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Affiliation(s)
- Michael Martin Nielsen
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100 Copenhagen, Denmark
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Yamanoi T, Oda Y, Midorikawa M. Formation of 2-Acetamido-2-deoxy-D-glucopyranosidic Linkages via Glycosidation Using a Combination of Two Lewis Acids. HETEROCYCLES 2015. [DOI: 10.3987/com-14-s(k)4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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3
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Soengas RG, Estévez AM, Estévez JC, Estévez RJ. An overview on the synthesis of furanoid and pyranoid sugar α- and β-amino acids and related aminocycloalkanecarboxylic acids from carbohydrates. CR CHIM 2011. [DOI: 10.1016/j.crci.2010.11.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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4
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Oltvoort JJ, Kloosterman M, van Boom JH. Selective allylation of sugar derivatives containing the 1,1,3,3-tetraisopropyldisiloxane-1,3-diyl protective group. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/recl.19831021201] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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5
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Kloosterman M, Westerduin P, van Boom JH. Synthesis of 4-O
-(3,4,6-tri-O
-acetyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl)-1,6-anhydro-3-O
-(4-methoxybenzoyl)-β- D-mannopyranose: A versatile intermediate for the preparation of N,N
-diacetylchitobiose derivatives. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/recl.19861050407] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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6
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van Boeckel CAA, Hermans JPG, Westerduin P, Oltvoort JJ, van der Marel GA, van Boom JH. Synthesis of two diphosphorylated lipid a derivatives containing α- or β-anomeric phosphates. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/recl.19831021004] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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7
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Irmak M, Boysen MM. A New Pyridyl Bis(oxazoline) Ligand Prepared fromD-Glucosamine for Asymmetric Alkynylation of Imines. Adv Synth Catal 2008. [DOI: 10.1002/adsc.200700592] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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8
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Irmak M, Groschner A, Boysen MMK. glucoBox ligand—a new carbohydrate-based bis(oxazoline) ligand. Synthesis and first application. Chem Commun (Camb) 2007:177-9. [PMID: 17180238 DOI: 10.1039/b612986b] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthesis of a new bis(oxazoline) ligand from D-glucosamine and its application in enantioselective copper(I) catalysed cyclopropanations of olefins is described.
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Affiliation(s)
- Mustafa Irmak
- Institute of Organic Chemistry, Leibniz University of Hannover, Schneiderberg 1B, D-30167 Hannover, Germany
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9
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Moule CJ, Clements PR, Hopwood JJ, Crisp GT. Affinity Labelling at the 4-Hydroxyl Group of N-Acetylglucosamine and N-Acetylgalactosamine. SYNTHETIC COMMUN 2000. [DOI: 10.1080/00397910008087177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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10
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Kadokawa JI, Kasai S, Watanabe Y, Karasu M, Tagaya H, Chiba K. Synthesis of Natural- and Non-natural-type Aminopolysaccharides: 2-Acetamido-2-deoxy-β-d-glucopyranan Derivatives by Acid-Catalyzed Polymerization of 2-Methyl(3,6- and 3,4-di-O-benzyl-1,2-dideoxy-α-d-glucopyrano)-[2,1-d]- 2-oxazolines Involving Stereoregular Glycosylation. Macromolecules 1997. [DOI: 10.1021/ma971117j] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jun-ichi Kadokawa
- Department of Materials Science and Engineering, Faculty of Engineering, Yamagata University, Yonezawa, Yamagata 992, Japan
| | - Shigeto Kasai
- Department of Materials Science and Engineering, Faculty of Engineering, Yamagata University, Yonezawa, Yamagata 992, Japan
| | - Yoshikatsu Watanabe
- Department of Materials Science and Engineering, Faculty of Engineering, Yamagata University, Yonezawa, Yamagata 992, Japan
| | - Masa Karasu
- Department of Materials Science and Engineering, Faculty of Engineering, Yamagata University, Yonezawa, Yamagata 992, Japan
| | - Hideyuki Tagaya
- Department of Materials Science and Engineering, Faculty of Engineering, Yamagata University, Yonezawa, Yamagata 992, Japan
| | - Koji Chiba
- Department of Materials Science and Engineering, Faculty of Engineering, Yamagata University, Yonezawa, Yamagata 992, Japan
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12
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Allylic protecting groups and their use in a complex environment part I: Allylic protection of alcohols. Tetrahedron 1997. [DOI: 10.1016/s0040-4020(97)00524-3] [Citation(s) in RCA: 134] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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13
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Hoffmann M, Burkhart F, Hessler G, Kessler H. C-Glycoside Analogues ofN4-(2-Acetamido-2-deoxy-?-D-glucopyranosyl)-L-asparagine: Synthesis and conformational analysis of a cyclicC-glycopeptide. Helv Chim Acta 1996. [DOI: 10.1002/hlca.19960790602] [Citation(s) in RCA: 53] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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14
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Vasella A, Witzig C. Glycosylidene Carbenes. Part 22. ?-D-Selectivity in the Glycosidation by Carbenes Derived from 2-Acetamido-hexoses. Helv Chim Acta 1995. [DOI: 10.1002/hlca.19950780806] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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15
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Dasgupta F, Anderson L. 1,3,4,6-Tetra-O-acetyl-2-chloroacetamido-2-deoxy-beta-D-glucopyranose as a glycosyl donor in syntheses of oligosaccharides. Carbohydr Res 1990; 202:239-55. [PMID: 2224892 DOI: 10.1016/0008-6215(90)84083-7] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
1,3,4,6-Tetra-O-acetyl-2-chloroacetamido-2-deoxy-beta-D-glucopyran ose was tested as a glycosyl donor for oligosaccharide synthesis via a ferric chloride-catalyzed coupling reaction. Glycosyl acceptors tried (6 in all) were O-benzyl-protected D-galactosides having free OH groups at positions 3 and 4, respectively, and similarly protected glycosides of D-glucose and 2-acetamido-2-deoxy-D-glucose unsubstituted on O-4. Existing syntheses of all the acceptors were improved, in four instances by exploitation of Garegg and Hultberg's cyanoborohydride procedure for the conversion 4,6-O-benzylidene----6- O-benzyl [Carbohydr. Res., 93 (1981) c10-c11; 108 (1982) 97-101]. Good to excellent yields of beta-linked disaccharides were obtained from the galactoside and glucoside acceptors, but with allyl 2-acetamido-3,6-di-O-benzyl-2-deoxy-alpha-D-glucopyranoside, stereoselectivity was lost (alpha:beta-ratio 1:2). Allyl and benzyl 2-acetamido-3,6-di-O-benzyl-2-deoxy-beta-D-glucopyranosides gave, respectively, the allyl and benzyl beta-glycosides of the donor as major products. A mechanism is proposed for this transglycosidation reaction. The N-chloroacetyl groups in the disaccharide products were readily converted into N-acetyl by reduction with zinc-acetic acid.
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Affiliation(s)
- F Dasgupta
- Department of Biochemistry, University of Wisconsin-Madison 53706
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Zähringer U, Moll H, Rietschel ET. G.l.c.-m.s. analysis of methylated 2-acetamido-2-deoxy-D-glucitol phosphates. Carbohydr Res 1990; 196:147-55. [PMID: 2346935 DOI: 10.1016/0008-6215(90)84114-a] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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17
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Stöckl WP, Weidmann H. Synthesen und Reaktionen von 1,2-Didesoxy-Hexopyrano-[2,1-d]-Oxazolinen und -Oxazoliniumsalzen1,2. J Carbohydr Chem 1989. [DOI: 10.1080/07328308908048003] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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18
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Kiso M, Anderson L. Protected glycosides and disaccharides of 2-amino-2-deoxy-D-glucopyranose by ferric chloride-catalyzed coupling. Carbohydr Res 1985; 136:309-23. [PMID: 4005891 DOI: 10.1016/0008-6215(85)85205-8] [Citation(s) in RCA: 61] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The ferric chloride-catalyzed glycosylation of hydroxy compounds by protected 2-acylamino-2-deoxy-beta-D-glucopyranose 1-acetates is described. In addition to known glycosides from the reaction of alcohols with 2-acetamido-1,3,4,6-tetra-O-acetyl-2-deoxy-beta-D-glucopyranose (3), ally (and other alkyl) beta-glycosides were obtained from the N-benzoyl, N-phenoxyacetyl, N-methoxyacetyl, N-chloroacetyl, and N-phthaloyl congeners of 3. The latter compounds, except for the N-phthaloyl derivative, gave oxazolines in the absence of an alcoholic reactant. Compound 3 and the related N-benzoyl, N-chloroacetyl, N-acetyl-3,4,6-tri-O-benzyl, and N-acetyl-4-O-acetyl-3,6-di-O-benzyl derivatives were coupled to one or more protected sugars to form protected, beta-linked disaccharides. Coupling at the 6-positions of acceptors proceeded smoothly and gave 67-80% yields. For successful coupling at positions 3 and 4, long reaction times and multiple additions of glycosyl donor were required, and yields ranged from 60% to as low as 30%. 1,3,4,6-Tetra-O-acetyl-2-(chloroacetamido)-2-deoxy-beta-D- glucopyranose appeared to be the most reactive glycosyl donor in this series. The reaction of 2-methyl-(3,4,6-tri-O-acetyl-1,2-dideoxy-alpha-D-glucopyrano)[2,1- d]-2-oxazoline (derived from 3) with allyl alcohol was catalyzed by ferric chloride, and oxazolines were detected as intermediates in some of the glycosylations of protected sugars.
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el Sadek MM, Warren CD, Jeanloz RW. 4-O-Acetyl-3,6-di-O-benzyl-2-deoxy-2-phthalimido-α,β-d-glucopyranosyl chloride as a glycosyl donor. Carbohydr Res 1984; 131:166-74. [PMID: 6548405 DOI: 10.1016/0008-6215(84)85414-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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20
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Warren CD, Milat ML, Augé C, Jeanloz RW. The synthesis of a trisaccharide and a tetrasaccharide lipid intermediate. P1-dolichyl P2-[O-beta-D-mannopyranosyl-(1----4)-O-(2-acetamido-2-deoxy- beta-D-glucopyranosyl)-(1----4)-2-acetamido-2-deoxy-alpha-D- glucopyranosyl] diphosphate and P1-dolichyl P2-[O-alpha-D-mannopyranosyl-(1----3)-O-beta-D- mannopyranosyl-(1----4)-O-(2-acetamido-2-deoxy-beta-D-glucopyranosyl)- (1----4)-2-acetamido-2-deoxy-alpha-D-glucopyranosyl] diphosphate. Carbohydr Res 1984; 126:61-80. [PMID: 6713432 DOI: 10.1016/0008-6215(84)85126-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Synthetic benzyl O-(2,3,4,6,-tetra-O-acetyl-beta-D-mannopyranosyl)-(1-4)- (2-acetamido-3,6-di-O-acetyl-2-deoxy-beta-D-glucopyranosyl)-(1-4)- 2-acetamido-3,6-di-O-benzyl-2-deoxy-alpha-D-glucopyranoside was converted, by catalytic hydrogenolysis of the benzyl groups, followed by treatment with acetyl chloride-hydrogen chloride and then "chloride-ion catalysis", into O-(2,3,4,6-tetra-O-acetyl- beta-D-mannopyranosyl)-(1-4)-O-(2-acetamido-3,6-di-O-acetyl-2-deoxy beta- D-glucopyranosyl)- (1-4)-2-methyl-(3,6-di-O-acetyl-1,2-dideoxy-alpha-D- glucopyrano)-[2,1-d]-2-oxazoline. This compound was phosphorylated by treatment with dibenzyl phosphate under strictly anhydrous conditions to give after catalytic hydrogenolysis, a peracetyl trisaccharide phosphate. This was coupled with P1-dolichyl P2-diphenyl diphosphate to give, after O-deacetylation, P1-dolichyl P2-[O- beta-D-mannopyranosyl- (1-4)-O-(2-acetamido-2-deoxy-beta-D-glucopyranosyl)- (1-4)-2-acetamido-2-deoxy-alpha-D-glucopyranosyl] diphosphate, a trisaccharide "lipid intermediate". O-(2,3,4,6-Tetra-O-acetyl-alpha-D-mannopyranosyl)-(1-3)-O-(2,4,6-tri-O- acetyl-beta-D-mannopyranosyl)-(1-4)-O-(2-acetamido-3,6-di-O-acetyl-2- deoxy-beta- D-glucopyranosyl)- (1-4)-(2-acetamido-3,6-di-O-acetyl-2-deoxy-alpha-D-glucopyranosyl) phosphate, synthesized from O-alpha-D-mannopyranosyl-(1-3)-O-beta-D- mannopyranosyl-(1-4)-2-acetamido-2-deoxy-D-glucopyranose that had been isolated from mannosidosis urine was coupled with P1-dolichyl P2-diphenyl diphosphate to give, after O-deacetylation, P1-dolichyl P2-[O-alpha-D-mannopyranosyl- (1-3)-O-beta-D-mannopyranosyl-(1-4)-O-(2-acetamido-2-deoxy-beta-D- glucopyranosyl)-(1-4)-2-acetamido-2-deoxy-alpha-D-glucopyranosyl] diphosphate, a tetrasaccharide "lipid intermediate".
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New synthesis of a benzylated chitobiose derivative, employing 4-O-acetyl-3,6-di-O-benzyl-2-deoxy-2-phthalimido-α-d-glucopyranosyl chloride. Carbohydr Res 1982. [DOI: 10.1016/s0008-6215(00)81066-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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22
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Durette PL, Meitzner EP. Synthesis of 2-methyl-[2-acetamido-4-O-acetyl-6-O-benzyl-3-O-(2-butenyl)-1,2-dideoxy-alpha-D -glucopyrano]-[2,1-d]-2-oxazoline, a versatile intermediate for the synthesis of complex oligosaccharides of bacterial cell-wall, human milk, and blood-group substances. Carbohydr Res 1981; 89:279-88. [PMID: 7237481 DOI: 10.1016/s0008-6215(00)85253-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
2-Methyl-[2-acetamido-4-O-acetyl-6-O-benzyl-3-O-(2-butenyl)-1,2-dideoxy-alpha-D-glucopyrano]-[2,1-d]-2-oxazoline (2), a glycosylating agent in which the three hydroxyl groups are blocked with protecting groups of differing "persistence", is of utility in the synthesis of oligosaccharides containing highly branched 2-acetamido-2-deoxy-D-glucosyl residues, and it was synthesized in a ten-step sequence from 2-acetamido-2-deoxy-D-glucose via allyl 2-acetamido-4,6-O-benzylidene-2-deoxy-beta-D-glucopyranoside (3). Alkylation of 3 with 2-butenyl (crotyl) bromide, hydrolysis of the benzylidene acetal group, benzylation of the 6-hydroxyl group, and acetylation of the 4-hydroxyl group afforded allyl 2-acetamido-4-O-acetyl-6-O-benzyl-3-O-(2-butenyl)-2-deoxy-beta-D-glucopyranoside(10). Treatment of 10 with chlorotris(tri-phenylphosphine)rhodium(I) gave mainly the corresponding 1-propenyl beta-glycoside, which was converted into oxazoline 2 by the action of mercuric chloride-mercuric oxide in acetonitrile. Glycosylation of benzyl 2-acetamido-3,6-di-O-benzyl-2-deoxy-alpha-D-glucopyranoside with 2, and subsequent O-deacetylation at O-4' gave a glycosyl acceptor, benzyl 2-acetamido-4-O-[2-acetamido-6-O-benzyl-3-O-(2-butenyl) -2-deoxy-beta-D-glucopyranosyl]-3,6-di-O-benzyl-2-deoxy-alpha-D-glucopyranoside .
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Nashed MA, Kiso M, Slife CW, Anderson L. Partially benzylated oxazoline derivatives of 2-acetamido-2-deoxy-D-glucopyranose as “standardized intermediates” for oligosaccharide synthesis. preparation of disaccharides having the sequences β-D-GlcpNAc(1→x)-D-Gal and β-D-GlcpNAc(1→4)-D-GlcNAc. Carbohydr Res 1981. [DOI: 10.1016/s0008-6215(00)85613-x] [Citation(s) in RCA: 29] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Oligosaccharide oxazolines: Preparation, and application to the synthesis of glycoprotein carbohydrate structures. Carbohydr Res 1981. [DOI: 10.1016/s0008-6215(00)85984-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Nashed MA, Slife CW, Kiso M, Anderson L. O-benzylated oxazoline derivatives of 2-acetamido-2-deoxy-d-glucopyranose from 1-propenyl glycosides. synthesis of the propenyl glycosides and their direct cyclization. Carbohydr Res 1980. [DOI: 10.1016/s0008-6215(00)85700-6] [Citation(s) in RCA: 55] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Petit JM, Jacquinet JC, Sinaÿ P. A convenient etherification of the primary hydroxyl group of glucopyranosides. Carbohydr Res 1980. [DOI: 10.1016/s0008-6215(00)85527-5] [Citation(s) in RCA: 34] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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The synthesis of O-β-D-mannopyranosyl-(1→4)-O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-(1→4)-2-acetamido-2-deoxy-D-glucopyranose. part II. Carbohydr Res 1980. [DOI: 10.1016/s0008-6215(00)85522-6] [Citation(s) in RCA: 77] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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30
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Handa VK, Barlow JJ, Matta KL. A facile synthesis of [3,6-di-O-acetyl-4-O-(chloroacetyl)-1,2-dideoxy-α-D-glucopyrano]-[2,1-d]-2-methyl-2-oxazoline for use in oligosaccharide synthesis. Carbohydr Res 1979. [DOI: 10.1016/0008-6215(79)80038-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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31
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Kiso M, Anderson L. The snythesis of disaccharides by the ferric chloride-catalyzed coupling of 2-acylamido-2-deoxy-β-D-glucopyranose 1-acetates to protect sugar acceptors. Carbohydr Res 1979. [DOI: 10.1016/s0008-6215(00)83963-4] [Citation(s) in RCA: 33] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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32
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The ferric chloride-catalyzed glycosylation of alcohols by 2-acylamido-2-deoxy-β-D-glucopyranose 1-acetates. Carbohydr Res 1979. [DOI: 10.1016/s0008-6215(00)83962-2] [Citation(s) in RCA: 64] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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33
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Synthesis of glycopeptide derivatives containing the 2-acetamido-N-(L-aspart-4-oyl)-2-deoxy-β-D-glucopyranosylamine linkage and having the amino acid sequences 32–34, 33–35,33–37, and 33–38 of bovine ribonuclease. Carbohydr Res 1979. [DOI: 10.1016/s0008-6215(00)83269-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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