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Hamaya Y, Komura N, Imamura A, Ishida H, Ando H, Tanaka HN. Protecting-group- and microwave-free synthesis of β-glycosyl esters and aryl β-glycosides of N-acetyl-d-glucosamine. Bioorg Med Chem 2022; 67:116852. [PMID: 35649323 DOI: 10.1016/j.bmc.2022.116852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 05/19/2022] [Accepted: 05/20/2022] [Indexed: 11/26/2022]
Abstract
A protecting-group-free method for synthesis of β-glycosyl esters and aryl β-glycosides was developed by using latent chemical reactivity of N-acetyl-d-glucosamine (GlcNAc) oxazoline. The GlcNAc oxazoline was spontaneously reacted with carboxylic acids and phenol derivatives via the oxazoline ring opening without the use of a catalyst or heating conditions (i.e., microwave irradiation), affording the desired products in moderate to excellent yields with β-selectivity. This simple protecting-group-free method exhibits a wide substrate scope and good functional group tolerance, and it allows the efficient production of a novel class of GlcNAc-conjugated biomaterials and prodrug candidates.
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Affiliation(s)
- Yu Hamaya
- Department of Applied Bioorganic Chemistry, Gifu University, Gifu 501-1193, Japan
| | - Naoko Komura
- Institute for Glyco-core Research (iGCORE), Gifu University, Gifu 501-1193, Japan
| | - Akihiro Imamura
- Institute for Glyco-core Research (iGCORE), Gifu University, Gifu 501-1193, Japan; Department of Applied Bioorganic Chemistry, Gifu University, Gifu 501-1193, Japan
| | - Hideharu Ishida
- Institute for Glyco-core Research (iGCORE), Gifu University, Gifu 501-1193, Japan; Department of Applied Bioorganic Chemistry, Gifu University, Gifu 501-1193, Japan; Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, Gifu 501-1193, Japan
| | - Hiromune Ando
- Institute for Glyco-core Research (iGCORE), Gifu University, Gifu 501-1193, Japan.
| | - Hide-Nori Tanaka
- Institute for Glyco-core Research (iGCORE), Gifu University, Gifu 501-1193, Japan; Oceanography Section, Science Research Center, Kochi University, Kochi 783-8502, Japan.
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Escopy S, Demchenko AV. Transition-Metal-Mediated Glycosylation with Thioglycosides. Chemistry 2021; 28:e202103747. [PMID: 34935219 DOI: 10.1002/chem.202103747] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Indexed: 11/09/2022]
Abstract
Thioglycosides are among the most common glycosyl donors that find broad application in the synthesis of glycans and glycoconjugates. However, the requirement for toxic and/or large access of activators needed for common glycosylations with thioglycosides remains a notable drawback. Due to the increased awareness of the chemical waste impact on the environment, synthetic studies have been driven by the goal of finding non-toxic reagents. The main focus of this review is to highlight recent methods for thioglycoside activation that rely on transition metal catalysis.
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Affiliation(s)
- Samira Escopy
- University of Missouri - St. Louis, Chemistry, UNITED STATES
| | - Alexei V Demchenko
- Saint Louis University, Chemistry, 3501 Laclede Ave, 63103, St. Louis, UNITED STATES
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3
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Hydrolysis of Glycosyl Thioimidates by Glycoside Hydrolase Requires Remote Activation for Efficient Activity. Catalysts 2019. [DOI: 10.3390/catal9100826] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Chemoenzymatic synthesis of glycosides relies on efficient glycosyl donor substrates able to react rapidly and efficiently, yet with increased stability towards chemical or enzymatic hydrolysis. In this context, glycosyl thioimidates have previously been used as efficient donors, in the case of hydrolysis or thioglycoligation. In both cases, the release of the thioimidoyl aglycone was remotely activated through a protonation driven by a carboxylic residue in the active site of the corresponding enzymes. A recombinant glucosidase (DtGly) from Dictyoglomus themophilum, previously used in biocatalysis, was also able to use such glycosyl thioimidates as substrates. Yet, enzymatic kinetic values analysis, coupled to mutagenesis and in silico modelling of DtGly/substrate complexes demonstrated that the release of the thioimidoyl moiety during catalysis is only driven by its leaving group ability, without the activation of a remote protonation. In the search of efficient glycosyl donors, glycosyl thioimidates are attractive and efficient. Their utility, however, is limited to enzymes able to promote leaving group release by remote activation.
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Legentil L, Cabezas Y, Tasseau O, Tellier C, Daligault F, Ferrières V. Regioselective Galactofuranosylation for the Synthesis of Disaccharide Patterns Found in Pathogenic Microorganisms. J Org Chem 2017. [DOI: 10.1021/acs.joc.7b00565] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Laurent Legentil
- Ecole Nationale Supérieure de Chimie de Rennes, CNRS, UMR 6226, 11 Allée
de Beaulieu, CS 50837, 35708 Rennes Cedex 7, France
| | - Yari Cabezas
- Ecole Nationale Supérieure de Chimie de Rennes, CNRS, UMR 6226, 11 Allée
de Beaulieu, CS 50837, 35708 Rennes Cedex 7, France
| | - Olivier Tasseau
- Ecole Nationale Supérieure de Chimie de Rennes, CNRS, UMR 6226, 11 Allée
de Beaulieu, CS 50837, 35708 Rennes Cedex 7, France
| | - Charles Tellier
- Université de Nantes, UMR CNRS 6286, 2 Rue de la Houssinière, 44322 Nantes Cedex 3, France
| | - Franck Daligault
- Université de Nantes, UMR CNRS 6286, 2 Rue de la Houssinière, 44322 Nantes Cedex 3, France
| | - Vincent Ferrières
- Ecole Nationale Supérieure de Chimie de Rennes, CNRS, UMR 6226, 11 Allée
de Beaulieu, CS 50837, 35708 Rennes Cedex 7, France
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Downey AM, Hocek M. Strategies toward protecting group-free glycosylation through selective activation of the anomeric center. Beilstein J Org Chem 2017; 13:1239-1279. [PMID: 28694870 PMCID: PMC5496566 DOI: 10.3762/bjoc.13.123] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Accepted: 06/01/2017] [Indexed: 12/13/2022] Open
Abstract
Glycosylation is an immensely important biological process and one that is highly controlled and very efficient in nature. However, in a chemical laboratory the process is much more challenging and usually requires the extensive use of protecting groups to squelch reactivity at undesired reactive moieties. Nonetheless, by taking advantage of the differential reactivity of the anomeric center, a selective activation at this position is possible. As a result, protecting group-free strategies to effect glycosylations are available thanks to the tremendous efforts of many research groups. In this review, we showcase the methods available for the selective activation of the anomeric center on the glycosyl donor and the mechanisms by which the glycosylation reactions take place to illustrate the power these techniques.
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Affiliation(s)
- A Michael Downey
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nam. 2, 16610 Prague 6, Czech Republic
| | - Michal Hocek
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nam. 2, 16610 Prague 6, Czech Republic
- Department of Organic Chemistry, Faculty of Science, Charles University in Prague, 12843 Prague 2, Czech Republic
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Marino C, Baldoni L. Synthesis of D-galactofuranose-containing molecules: design of galactofuranosyl acceptors. Chembiochem 2014; 15:188-204. [PMID: 24420700 DOI: 10.1002/cbic.201300638] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2013] [Indexed: 11/11/2022]
Abstract
D-Galactofuranose (D-Galf) is present in glycoconjugates of several pathogenic microorganisms but is absent in mammals, so it is a good target for the development of chemotherapeutic agents for the treatment of microbial infections. This fact has increased interest in the synthesis of D-Galf-containing molecules for corresponding glycobiological studies. The synthesis of oligosaccharides, glycoconjugates, and mimetics of D-Galf requires specific methods for the preparation of galactose derivatives in the furanosic configuration, the synthesis of appropriate acceptors, and efficient glycosylation methods for the construction of α- and β-D-Galf linkages. This review summarizes the different strategies developed for the preparation of partially protected derivatives of D-Galf, suitable as acceptors for the construction of (1→2), (1→3), (1→5), and (1→6) link- ages, and describes recent applications.
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Affiliation(s)
- Carla Marino
- CIHIDECAR-CONICET-UBA, Departamento de Química Orgánica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pabellón II, Ciudad Universitaria, 1428 Buenos Aires (Argentina).
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Glycosylation mediated—BAIL in aqueous solution. Carbohydr Res 2013; 381:12-8. [DOI: 10.1016/j.carres.2013.08.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2013] [Revised: 07/25/2013] [Accepted: 08/14/2013] [Indexed: 11/18/2022]
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Santra S, Jonas E, Bourgault JP, El-Baba T, Andreana PR. Kinetic Products Under Thermal Conditions: Rapid Entry into α/β-D-Galactofuranosides Using Microwave Irradiation and Selective Lewis Acids. J Carbohydr Chem 2011. [DOI: 10.1080/07328303.2011.585259] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Soumava Santra
- a Department of Chemistry , Wayne State University , Detroit, Michigan, 48202, USA
| | - Emily Jonas
- a Department of Chemistry , Wayne State University , Detroit, Michigan, 48202, USA
| | - Jean-Paul Bourgault
- a Department of Chemistry , Wayne State University , Detroit, Michigan, 48202, USA
| | - Tarick El-Baba
- a Department of Chemistry , Wayne State University , Detroit, Michigan, 48202, USA
| | - Peter R. Andreana
- a Department of Chemistry , Wayne State University , Detroit, Michigan, 48202, USA
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Almendros M, Danalev D, François-Heude M, Loyer P, Legentil L, Nugier-Chauvin C, Daniellou R, Ferrières V. Exploring the synthetic potency of the first furanothioglycoligase through original remote activation. Org Biomol Chem 2011; 9:8371-8. [DOI: 10.1039/c1ob06227a] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Richards MR, Lowary TL. Chemistry and biology of galactofuranose-containing polysaccharides. Chembiochem 2009; 10:1920-38. [PMID: 19591187 DOI: 10.1002/cbic.200900208] [Citation(s) in RCA: 170] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The thermodynamically less stable form of galactose-galactofuranose (Galf)-is essential for the viability of several pathogenic species of bacteria and protozoa but absent in this form in mammals, so the biochemical pathways by which Galf-containing glycans are assembled and catabolysed are attractive sites for drug action. This potential has led to increasing interest in the synthesis of molecules containing Galf residues, their subsequent use in studies directed towards understanding the enzymes that process these residues and the identification of potential inhibitors of these pathways. Major achievements of the past several years have included an in-depth understanding of the mechanism of UDP-galactopyranose mutase (UGM), the enzyme that produces UDP-Galf, which is the donor species for galactofuranosyltransferases. A number of methods for the synthesis of galactofuranosides have also been developed, and practitioners in the field now have many options for the initiation of a synthesis of glycoconjugates containing either alpha- or beta-Galf residues. UDP-Galf has also been prepared by a number of approaches, and it appears that a chemoenzymatic approach is currently the most viable method for producing multi-milligram amounts of this important intermediate. Recent advances both in the understanding of the mechanism of UGM and in the synthesis of galactofuranose and its derivatives are highlighted in this review.
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Affiliation(s)
- Michele R Richards
- Alberta Ingenuity Centre for Carbohydrate Science and Department of Chemistry, University of Alberta, Gunning-Lemieux Chemistry Centre, Edmonton, AB T6G 2G2 (Canada)
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Peltier P, Guégan JP, Daniellou R, Nugier-Chauvin C, Ferrières V. Stereoselective Chemoenzymatic Synthesis of UDP-1,2-cis-furanoses from α,β-Furanosyl 1-Phosphates. European J Org Chem 2008. [DOI: 10.1002/ejoc.200800742] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Peltier P, Euzen R, Daniellou R, Nugier-Chauvin C, Ferrières V. Recent knowledge and innovations related to hexofuranosides: structure, synthesis and applications. Carbohydr Res 2008; 343:1897-923. [DOI: 10.1016/j.carres.2008.02.010] [Citation(s) in RCA: 123] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2007] [Revised: 02/08/2008] [Accepted: 02/12/2008] [Indexed: 10/22/2022]
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Peltier P, Daniellou R, Nugier-Chauvin C, Ferrières V. Versatile synthesis of rare nucleotide furanoses. Org Lett 2007; 9:5227-30. [PMID: 17997566 DOI: 10.1021/ol702392x] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Direct activation of unprotected thioimidoyl furanosides yielded in only one step and few minutes a panel of rare uridine 5'-diphospho-furanoses. Diastereoselectivity of the reaction was tightly connected with reaction time, temperature, and nature of the furanosyl donor. This approach was totally selective since no ring expansion from the initial five-membered ring to the more stable pyranose form was observed.
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Affiliation(s)
- Pauline Peltier
- Ecole Nationale Supérieure de Chimie de Rennes, Organic and Supramolecular Chemistry, CNRS, Avenue du Général Leclerc, F-35700 Rennes
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