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Li W, Yu B. Temporary ether protecting groups at the anomeric center in complex carbohydrate synthesis. Adv Carbohydr Chem Biochem 2020; 77:1-69. [PMID: 33004110 DOI: 10.1016/bs.accb.2019.10.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The synthesis of a carbohydrate building block usually starts with introduction of a temporary protecting group at the anomeric center and ends with its selective cleavage for further transformation. Thus, the choice of the anomeric temporary protecting group must be carefully considered because it should retain intact during the whole synthetic manipulation, and it should be chemoselectively removable without affecting other functional groups at a late stage in the synthesis. Etherate groups are the most widely used temporary protecting groups at the anomeric center, generally including allyl ethers, MP (p-methoxyphenyl) ethers, benzyl ethers, PMB (p-methoxybenzyl) eithers, and silyl ethers. This chapter provides a comprehensive review on their formation, cleavage, and applications in the synthesis of complex carbohydrates.
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Affiliation(s)
- Wei Li
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, China.
| | - Biao Yu
- State Key Laboratory of Bio-organic and Natural Products Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, China.
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2
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Xolin A, Norsikian S, Boyer FD, Beau JM. Iron(III)-Triflate-Catalyzed Multiple Glycosylations with Peracetylated β-d-Glucosamine. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600457] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Amandine Xolin
- Institut de Chimie des Substances Naturelles; CNRS UPR2301; Univ. Paris-Sud; Université Paris-Saclay; 1 av. de la Terrasse 91198 Gif-sur-Yvette France
| | - Stéphanie Norsikian
- Institut de Chimie des Substances Naturelles; CNRS UPR2301; Univ. Paris-Sud; Université Paris-Saclay; 1 av. de la Terrasse 91198 Gif-sur-Yvette France
| | - François-Didier Boyer
- Institut de Chimie des Substances Naturelles; CNRS UPR2301; Univ. Paris-Sud; Université Paris-Saclay; 1 av. de la Terrasse 91198 Gif-sur-Yvette France
- Institut Jean-Pierre Bourgin; INRA; AgroParisTech; CNRS; Université Paris-Saclay; RD10 78026 Versailles France
| | - Jean-Marie Beau
- Institut de Chimie des Substances Naturelles; CNRS UPR2301; Univ. Paris-Sud; Université Paris-Saclay; 1 av. de la Terrasse 91198 Gif-sur-Yvette France
- Laboratoire de Synthèse de Biomolécules; Institut de Chimie Moléculaire et des Matériaux d'Orsay; Univ. Paris-Sud; Université Paris-Saclay; 91405 Orsay France
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Sahloul K, Lowary TL. Development of an Orthogonal Protection Strategy for the Synthesis of Mycobacterial Arabinomannan Fragments. J Org Chem 2015; 80:11417-34. [DOI: 10.1021/acs.joc.5b02083] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Kamar Sahloul
- Alberta
Glycomics Centre
and Department of Chemistry, University of Alberta, Edmonton, AB, T6G 2G2, Canada
| | - Todd L. Lowary
- Alberta
Glycomics Centre
and Department of Chemistry, University of Alberta, Edmonton, AB, T6G 2G2, Canada
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Argunov DA, Krylov VB, Nifantiev NE. Convergent synthesis of isomeric heterosaccharides related to the fragments of galactomannan from Aspergillus fumigatus. Org Biomol Chem 2015; 13:3255-67. [PMID: 25643073 DOI: 10.1039/c4ob02634a] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Aspergillus fumigatus is a very common fungus with high pathogenic potential for immunosuppressed hospital patients. A. fumigatus galactomannan, being the part of its cell wall, is considered as a promising candidate for vaccine and diagnostic test-systems. In this article we report the convergent synthesis of pentasaccharide fragments of the galactomannan containing the β-(1→5)-linked galactofuranoside chain attached to O-3 or O-6 of a spacer-armed mannopyranoside residue. The synthesis of selectively protected galactofuranoside precursors has been performed using recently developed pyranoside-into-furanoside (PIF) rearrangement. For assembling the target galactomannan structures the [1 + 2 + 2]-scheme was applied. This strategy was shown to be highly efficient and can easily be extended to the synthesis of longer fragments of thegalactomannan.
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Affiliation(s)
- D A Argunov
- Laboratory of Glycoconjugate Chemistry, N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky prospect 47, 119991 Moscow, Russian Federation.
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van Boeckel CAA. Some recent applications of carbohydrates and their derivatives in the pharmaceutical industry. ACTA ACUST UNITED AC 2013. [DOI: 10.1002/recl.19861050202] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Ohtsuka I, Hada N, Atsumi T, Kakiuchi N. Synthesis of a new glycosphingolipid from the marine ascidian Microcosmus sulcatus using a one-pot glycosylation strategy. Tetrahedron 2013. [DOI: 10.1016/j.tet.2012.12.023] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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7
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Abstract
The synthesis of a mannose-bearing disaccharide containing a thiol spacer at the reducing end was carried out to provide a tethered sugar suitable for attaching to gold nanoparticles. Such sugar is designed to mimic carbohydrates involved in cell-surface interactions. The molecule was constructed via Schmidt glycosylation of an appropriately protected glycosyl donor and an acceptor, followed by removal of protective groups and reductive amination to introduce a protected thiol spacer at the reducing end of the glycan. Subsequent removal of the thiol protective group gave the target disaccharide in a satisfactory yield.
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Bieg T, Kral K, Paszkowska J, Szeja W, Wandzik I. Microwave-Assisted Regioselective Benzylation: An Access to Glycal Derivatives with a Free Hydroxyl Group at C4. J Carbohydr Chem 2012. [DOI: 10.1080/07328303.2012.698438] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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9
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Yuan C, Hollingsworth RI. A short and efficient synthesis of 1,5-anhydro-d-glucitol 6-phosphate. Tetrahedron Lett 2011. [DOI: 10.1016/j.tetlet.2011.07.082] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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10
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Contreras RR, Kamerling JP, Vliegenthart JFG. 1H- and 13C-NMR spectroscopy of synthetic monosulfated methyl α-D-mannopyranosides. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/recl.19911100305] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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11
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van Boeckel CAA, Delbressine LPC, Kaspersen FM. The synthesis of glucuronides derived from the antidepressant drugs mianserin and Org 3770. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/recl.19851041004] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Martínez-Avila O, Hijazi K, Marradi M, Clavel C, Campion C, Kelly C, Penadés S. Gold manno-glyconanoparticles: multivalent systems to block HIV-1 gp120 binding to the lectin DC-SIGN. Chemistry 2010; 15:9874-88. [PMID: 19681073 DOI: 10.1002/chem.200900923] [Citation(s) in RCA: 153] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The HIV envelope glycoprotein gp120 takes advantage of the high-mannose clusters on its surface to target the C-type lectin dendritic cell-specific intracellular adhesion molecule-3-grabbing non-integrin (DC-SIGN) on dendritic cells. Mimicking the cluster presentation of oligomannosides on the virus surface is a strategy for designing carbohydrate-based antiviral agents. Bio-inspired by the cluster presentation of gp120, we have designed and prepared a small library of multivalent water-soluble gold glyconanoparticles (manno-GNPs) presenting truncated (oligo)mannosides of the high-mannose undecasaccharide Man(9)GlcNAc(2) and have tested them as inhibitors of DC-SIGN binding to gp120. These glyconanoparticles are ligands for DC-SIGN, which also interacts in the early steps of infection with a large number of pathogens through specific recognition of associated glycans. (Oligo)mannosides endowed with different spacers ending in thiol groups, which enable attachment of the glycoconjugates to the gold surface, have been prepared. manno-GNPs with different spacers and variable density of mannose (oligo)saccharides have been obtained and characterized. Surface plasmon resonance (SPR) experiments with selected manno-GNPs have been performed to study their inhibition potency towards DC-SIGN binding to gp120. The tested manno-GNPs completely inhibit the binding from the micro- to the nanomolar range, while the corresponding monovalent mannosides require millimolar concentrations. manno-GNPs containing the disaccharide Manalpha1-2Manalpha are the best inhibitors, showing more than 20 000-fold increased activity (100 % inhibition at 115 nM) compared to the corresponding monomeric disaccharide (100 % inhibition at 2.2 mM). Furthermore, increasing the density of dimannoside on the gold platform from 50 to 100 % does not improve the level of inhibition.
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Affiliation(s)
- Olga Martínez-Avila
- Laboratory of GlycoNanotechnology, Biofunctional Nanomaterial Unit, CIC biomaGUNE and CIBER-BBN, Parque Tecnológico, San Sebastián, Spain
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Bonaccorsi F, Catelani G, Oscarson S. A new route for the synthesis of Streptococcus pneumoniae 19F and 19A capsular polysaccharide fragments avoiding the β-mannosamine glycosylation step. Carbohydr Res 2009; 344:1442-8. [DOI: 10.1016/j.carres.2009.04.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2009] [Revised: 03/18/2009] [Accepted: 04/06/2009] [Indexed: 11/24/2022]
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Montel E, Hrmova M, Fincher GB, Driguez H, Cottaz S. A Chemoenzymatic Route to Conjugatable β(1→3)-Glucan Oligosaccharides. Aust J Chem 2009. [DOI: 10.1071/ch08517] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
3II-O-Allyl-α-laminaribiosyl fluoride was prepared as a key synthon for the enzymatic synthesis of β(1→3)-glucan oligosaccharides, catalyzed by a mutated β(1→3)-glucanase (E231G) from barley (Hordeum vulgare L.). A strategy was developed for enzymatic elongation of the β(1→3)-glucan chain from the reducing end, using a single glucoside acceptor. When β-glucoside phenyl disulfide was used as the acceptor, this methodology generated laminari-oligosaccharides conjugatable at both their reducing and non-reducing ends.
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Attolino E, Bonaccorsi F, Catelani G, D’Andrea F. Stereoselective synthesis of a model α-glycoside of the β-d-ManNAcp-(1→4)-d-Glc disaccharide starting from lactose, avoiding the β-mannosaminylation step. Carbohydr Res 2008; 343:2545-56. [DOI: 10.1016/j.carres.2008.07.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2008] [Revised: 07/08/2008] [Accepted: 07/11/2008] [Indexed: 10/21/2022]
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17
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Matsuda S, Yamanoi T, Watanabe M. Syntheses of a partially benzylated derivative of the anhydro-d-altro-heptulose found in Coriaria japonica A and of its analogs. Tetrahedron 2008. [DOI: 10.1016/j.tet.2008.06.068] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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18
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Synthesis of a partially benzylated derivative of the anhydro-d-altro-heptulose found in Coriaria japonica A. Tetrahedron Lett 2007. [DOI: 10.1016/j.tetlet.2007.06.057] [Citation(s) in RCA: 8] [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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19
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Ogawa T, Takahashi Y. Synthesis of and Glycosidation by 2-Deoxy-2-Fluoro-D-Mannopyranose. J Carbohydr Chem 2006. [DOI: 10.1080/07328308308057893] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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20
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Matsuoka K, Terabatake M, Umino A, Esumi Y, Hatano K, Terunuma D, Kuzuhara H. Carbosilane Dendrimers Bearing Globotriaoses: Syntheses of Globotrioasyl Derivative and Introduction into Carbosilane Dendrimers†. Biomacromolecules 2006; 7:2274-83. [PMID: 16903671 DOI: 10.1021/bm060368+] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
As an application of a one-pot reaction involving Birch reduction and subsequent S(N)2 reaction in liquid ammonia, synthetic assembly of trisaccharidic moieties of globotriaosyl ceramide onto carbosilane dendrimers was accomplished using tris(3-bromopropyl)phenylsilane and tris[tris(3-bromopropyl)silylpropyl]phenylsilane as the core scaffolds. The common globotriaosyl derivative having benzylsulfide functionality at the terminal of the aglycon was efficiently prepared from d-galactose and d-lactose as starting materials. The glycosyl donor derived from galactose and the glycosyl acceptor derived from lactose were condensed in the presence of silver triflate as the best promoter to provide corresponding trisaccharide with newly formed alpha-1-4 linkages in 90% yield. Fully benzylated protection of the trisaccharide was deprotected under the Birch reduction condition followed by acetylation to give an acetate in which alkene was converted into benzyl sulfide by radical addition of alpha-toluenethiol in high yields. On the other hand, carbosilane dendrimers were prepared from appropriate chlorosilanes as starting materials by a combination of hydrosylation followed by alkenylation. The terminal C=C double bonds of the carbosilanes were converted into corresponding alcohols by means of the usual hydroboration reaction, and the alcohols underwent further chemical manipulation to give carbosilane dendrimers with peripheral bromine atoms.
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Affiliation(s)
- Koji Matsuoka
- Department of Functional Materials Science, Faculty of Engineering, Saitama University, Sakura, Saitama 338-8570, Japan.
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Miyagawa A, Kasuya MCZ, Hatanaka K. Immobilization of Glycoconjugate Polymers on Cellulose Membrane for Affinity Separation. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2006. [DOI: 10.1246/bcsj.79.348] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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22
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A New Strategy for Oligosaccharide Assembly Exploiting Cyclohexane-1,2-diacetal Methodology: An Efficient Synthesis of a High Mannose Type Nonasaccharide. Chemistry 2006. [DOI: 10.1002/chem.19970030315] [Citation(s) in RCA: 64] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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23
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Kwon YU, Liu X, Seeberger PH. Total syntheses of fully lipidated glycosylphosphatidylinositol anchors of Toxoplasma gondii. Chem Commun (Camb) 2005:2280-2. [PMID: 15856122 DOI: 10.1039/b501373a] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Modular syntheses of the glycosylphosphatidylinositol anchors of Toxoplasma gondii using a highly convergent strategy are reported.
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Affiliation(s)
- Yong-Uk Kwon
- Laboratorium für Organische Chemie, ETH Zürich, 8093 Zürich, Switzerland
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Miyagawa A, Kurosawa H, Watanabe T, Koyama T, Terunuma D, Matsuoka K. Synthesis of glycoconjugate polymer carrying globotriaose as artificial multivalent ligand for Shiga toxin-producing Escherichia coli O157: H7. Carbohydr Polym 2004. [DOI: 10.1016/j.carbpol.2004.06.001] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Bessmertnykh A, Hénin F, Muzart J. Palladium-catalyzed oxidation of benzylated aldose hemiacetals to lactones. Carbohydr Res 2004; 339:1377-80. [PMID: 15113678 DOI: 10.1016/j.carres.2004.02.014] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2003] [Revised: 02/10/2004] [Accepted: 02/16/2004] [Indexed: 10/26/2022]
Abstract
Benzyl protected sugar hemiacetals are oxidized to the corresponding lactones in excellent yields using bromobenzene, K(2)CO(3) and the Pd(OAc)(2)/PPh(3) catalytic system.
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Affiliation(s)
- Alla Bessmertnykh
- Unité Mixte de Recherche 'Réactions Sélectives et Applications', CNRS--Université de Reims Champagne-Ardenne, BP 1039, F-51687 Reims, France
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Dahlén A, Sundgren A, Lahmann M, Oscarson S, Hilmersson G. SmI2/Water/Amine Mediates Cleavage of Allyl Ether Protected Alcohols: Application in Carbohydrate Synthesis and Mechanistic Considerations. Org Lett 2003; 5:4085-8. [PMID: 14572255 DOI: 10.1021/ol0354831] [Citation(s) in RCA: 64] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
[reaction: see text]. SmI2/H2O/amine provides selective cleavage of unsubstituted allyl ethers in good to excellent yields. This method is therefore useful in deprotection of alcohols and carbohydrates.
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Affiliation(s)
- Anders Dahlén
- Department of Chemistry, Göteborg University, SE-412 96 Göteborg, Sweden
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Hirooka M, Yoshimura A, Saito I, Ikawa F, Uemoto Y, Koto S, Takabatake A, Taniguchi A, Shinoda Y, Morinaga A. Glycosylation Using Hemiacetal Sugar Derivatives: Synthesis ofO-α-D-Rhamnosyl-(1→3)-O-α-D-rhamnosyl-(1→2)-d-rhamnose andO-α-D-Tyvelosyl-(1→3)-O-α-D-mannosyl-(1→4)-L-rhamnose. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2003. [DOI: 10.1246/bcsj.76.1409] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Approaches to new derivatives of cellulose as designed pharmaceutical excipients. HEMIJSKA INDUSTRIJA 2003. [DOI: 10.2298/hemind0312622s] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Recently, our group initiated a synthetic program directed at new derivatives of cellulose intended as novel pharmaceutical excipients. With several notable exceptions, the attempted regioselective introduction of chemical functionality into natural cellulose by direct chemical modification will result in heterogeneous products that are difficult to characterize and the preparation of which is insufficiently reproduceable. Approaches to the chemical polymerization of appropriate glucose monomers are available, leading to a degree of polymerization in the order of 100. However, the nature of these processes does not readily lend itself to the preparation of products comprising regularly arranged protecting groups in defined positions. We have chosen a mixed organic chemical-enzyme catalyzed approach based on a procedure of Kobayashi, Shoda, Donnelly and Church. Fluoride derivatives of cellobiose may be polymerized, under catalysis by cellobiose hydrolase, to form cellulose oligosaccharides of different chain lengths. We describe the chemical syntheses of cellobiose fluoride derivatives comprising protecting groups in defined positions of the reducing or nonreducing glucose moieties of cellobiose. Such derivatives may be polymerized to afford cellulose derivatives with protecting groups on alternate glucose units. The processing of these protected cellulose derivatives to afford novel biomimetic polymers will be described.
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Convergent synthesis of the methyl glycosides of a tetra- and a pentasaccharide fragment of the Shigella flexneri serotype 2a O-specific polysaccharide. ACTA ACUST UNITED AC 2002. [DOI: 10.1016/s0957-4166(02)00580-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Hirooka M, Terayama M, Mitani E, Koto S, Miura A, Chiba K, Takabatake A, Tashiro T. Synthesis of MethylO-α-D-Mannosyl-(1→4)-[(3-O-methyl-α-D- mannosyl)-(1→4)-]n3-O-methyl-α-D-mannosides (n= 0, 1, and 2) via Dehydrative Glycosylation. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2002. [DOI: 10.1246/bcsj.75.1301] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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31
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Ratner D, Plante O, Seeberger P. A Linear Synthesis of Branched High-Mannose Oligosaccharides from the HIV-1 Viral Surface Envelope Glycoprotein gp120. European J Org Chem 2002. [DOI: 10.1002/1099-0690(200203)2002:5<826::aid-ejoc826>3.0.co;2-2] [Citation(s) in RCA: 69] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Abstract
[reaction: see text]. A new one-pot method is described for the removal of O- and N-allyl protecting groups under oxidative conditions at near neutral pH. The allyl group undergoes hydroxylation and subsequent periodate scission of the vicinal diol, followed by repetition of this reaction sequence on the enolic form of the aldehyde intermediate.
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Affiliation(s)
- P I Kitov
- Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada T6G 2G2
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Koto S, Hirooka M, Yoshida T, Takenaka K, Asai C, Nagamitsu T, Sakuma H, Sakurai M, Masuzawa S, Komiya M, Sato T, Zen S, Yago K, Tomonaga F. Syntheses of Penta-O-benzyl-myo-inositols,O-β-L-Arabinosyl-(1 → 2)-sn-myo-inositol,O-α-D-Galactosyl-(1 → 3)-sn-myo-inositol, andO-α-D-Galactosyl-(1 → 6)-O-α-D-galactosyl-(1 → 3)-sn-myo-inositol. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2000. [DOI: 10.1246/bcsj.73.2521] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Mulard LA, Ughetto-Monfrin J. First Synthesis of A Branched Pentasaccharide Representative of The Repeating Unit of TheShigella FlexneriSerotype 5AO-Antigen. J Carbohydr Chem 2000. [DOI: 10.1080/07328300008544074] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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35
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Mereyala HB, Gurrala SR, Mohan SK. Study of metal and acid catalysed deprotection of propargyl ethers of alcohols via their allenyl ethers. Tetrahedron 1999. [DOI: 10.1016/s0040-4020(99)00631-6] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Koto S, Asami K, Hirooka M, Nagura K, Takizawa M, Yamamoto S, Okamoto N, Sato M, Tajima H, Yoshida T, Nonaka N, Sato T, Zen S, Yago K, Tomonaga F. Glycosylation Using 2-Azido-3,4,6-tri-O-benzyl-2-deoxy-D-glucose, -galactose, and -mannose with the Aid ofp-Nitrobenzenesulfonyl Chloride–Silver Trifluoromethanesulfonate–Triethylamine System. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 1999. [DOI: 10.1246/bcsj.72.765] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Wunberg T, Kallus C, Opatz T, Henke S, Schmidt W, Kunz H. Kohlenhydrate – multifunktionelle chirale Gerüste in der kombinatorischen Synthese. Angew Chem Int Ed Engl 1998. [DOI: 10.1002/(sici)1521-3757(19980918)110:18<2620::aid-ange2620>3.0.co;2-r] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Tsuzuki M, Tsuchiya T. Synthesis of alpha,alpha-, alpha,Beta-, and Beta,Beta-(dimaltoside)s of ethane-1,2-diol, propane-1,3-diol, and butane-1,4-diol: a proposal for an initial adhesion mode. Carbohydr Res 1998; 311:11-24. [PMID: 9821265 DOI: 10.1016/s0008-6215(98)00191-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Nine dimaltoside derivatives of ethane-1,2-diol, propane-1,3-diol, and butane-1,4-diol having the alpha,alpha, alpha,beta, and beta,beta anomeric configurations at the linkage sites have been synthesized. Suitably protected maltosyl halides or a 1-(phenylthio) derivative were condensed with the foregoing diols and the resulting monomaltosyl derivatives were further condensed with the maltosyl donors to give, after deprotection, the title compounds. Their structures were fully characterized by NMR spectroscopy. Interactions between the three alpha,alpha-(dimaltoside)s and cinnamyl alcohol are briefly discussed.
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Affiliation(s)
- M Tsuzuki
- Institute of Bioorganic Chemistry, Nakahara-ku Kawasaki 211, Japan
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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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Koto S, Miura T, Hirooka M, Tomaru A, Iida M, Kanemitsu M, Takenaka K, Masuzawa S, Miyaji S, Kuroyanagi N, Yagishita M, Zen S, Yago K, Tomonaga F. Stereoselective Syntheses ofα-Glucuronides Using Dehydrative Glycosylation. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 1996. [DOI: 10.1246/bcsj.69.3247] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Yadav J, Chandrasekhar S, Sumithra G, Kache R. Selective and unprecedented oxidative deprotection of allyl ethers with DDQ. Tetrahedron Lett 1996. [DOI: 10.1016/0040-4039(96)01478-5] [Citation(s) in RCA: 60] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Tsuda T, Furuike T, Nishimura SI. Preparation of Novel 1,6-Anhydro-β-lactose Derivatives for the Synthesis ofN-Acetyllactosamine-Containing Oligosaccharides. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 1996. [DOI: 10.1246/bcsj.69.411] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Cossy J, Pete JP. Applications of photoinduced electron transfer processes to ketone, aldehyde, and ester derivatives in organic synthesis. ACTA ACUST UNITED AC 1996. [DOI: 10.1016/s1061-8937(96)80006-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
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Koto S, Haigoh H, Shichi S, Hirooka M, Nakamura T, Maru C, Fujita M, Goto A, Sato T, Okada M, Zen S, Yago K, Tomonaga F. Synthesis of Glucose-Containing Linear Oligosaccharides Havingα(1→4) andα(1→6) Linkages Using Stereoselective Dehydrative Glycosylation. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 1995. [DOI: 10.1246/bcsj.68.2331] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Abstract
Progress recently made in the synthesis of biologically relevant N- and O-glycopeptides is illustrated by examples. In this context, developments in the preparation of complex saccharide side chains and in the subsequent coupling to peptide portions is described. Special emphasis is given to the synthesis of Lewis antigen-type structures. Furthermore, modern methods in solid phase peptide syntheses utilizing glycosylated building blocks are presented. Recent advances in glycopeptide syntheses employing enzymatic methods in deprotection steps as well as in peptide/saccharide chain elongation are reported.
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Affiliation(s)
- M Schultz
- Institut für Organische Chemie, Johannes Gutenberg-Universität, Mainz, Germany
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Takahashi S, Terayama H, Sakairi N, Kuzuhara H. Facile Preparation of a Phenyl 1-Thioglycoside of Allopyranosylallopyranose from AllylN,N′-Diacetylchitobioside. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 1994. [DOI: 10.1246/bcsj.67.2888] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Yamanoi T, Nakamura K, Takeyama H, Yanagihara K, Inazu T. New Synthetic Methods and Reagents for Complex Carbohydrates. VIII. Stereoselectiveα- andβ-Mannopyranoside Formation from Glycosyl Dimethylphosphinothioates with the C-2 Axial Benzyloxyl Group. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 1994. [DOI: 10.1246/bcsj.67.1359] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Total synthesis of the sulfated lipooligosaccharide signal involved in rhizobium meliloti-alfalfa symbiosis. Tetrahedron Lett 1993. [DOI: 10.1016/s0040-4039(00)61560-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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