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Bianculli RH, Mase JD, Schulz MD. Antiviral Polymers: Past Approaches and Future Possibilities. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c01273] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Rachel H. Bianculli
- Department of Chemistry, Macromolecules Innovation Institute (MII), Virginia Tech, Blacksburg, Virginia 24061, United States
| | - Jonathan D. Mase
- Department of Chemistry, Macromolecules Innovation Institute (MII), Virginia Tech, Blacksburg, Virginia 24061, United States
| | - Michael D. Schulz
- Department of Chemistry, Macromolecules Innovation Institute (MII), Virginia Tech, Blacksburg, Virginia 24061, United States
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2
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Ogasahara R, Abdullayev S, Sarpe VA, Mandhapati AR, Crich D. Influence of protecting groups on O- and C-glycosylation with neuraminyl and ulosonyl dibutylphosphates. Carbohydr Res 2020; 496:108100. [PMID: 32755675 DOI: 10.1016/j.carres.2020.108100] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 07/07/2020] [Accepted: 07/09/2020] [Indexed: 12/15/2022]
Abstract
The adamantanyl thioglycosides of 5-isothiocyano and 5-azido 5-desamino-4,7,8,9-tetra-O-acetylneuraminic acid methyl ester were converted into the corresponding dibutyl phosphates, which proved to be excellent α-selective donors for O-sialidation with a range of typical acceptors, and good donors for reaction with allyltributylstannane, albeit without significant anomeric selectivity. In the KDN series the dibuylphosphate derived from a donor carrying a 4,5-cyclic carbonate protecting group afforded the corresponding C-glycoside with excellent α-selectivity on activation in the presence of allyltributylstannane, whereas the corresponding donor carrying acetate esters at the 4- and 5-positions was unselective. Overall, it is revealed that while the strongly electron-withdrawing isothiocyanato and azido groups are sufficient to promote highly α-selective O-sialidation, they are inadequate when faced with less reactive nucleophiles when mixtures of anomers are obtained.
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Affiliation(s)
- Riku Ogasahara
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, MI, 48202, USA; Department of Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa, 223-8522, Japan
| | - Shuay Abdullayev
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, MI, 48202, USA; Department of Chemistry, Université Claude Bernard Lyon 1, Domaine Scientifique de la Doua, boulevard du 11 Novembre 1918, 69622, Villeurbanne Cedex, France
| | - Vikram A Sarpe
- Department of Pharmaceutical and Biomedical Sciences, University of Georgia, 250 West Green Street, Athens, GA, 30602, United States; Complex Carbohydrate Research Center, University of Georgia, 315 Riverbend Road, Athens, GA, 30602, United States
| | - Appi Reddy Mandhapati
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, MI, 48202, USA
| | - David Crich
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, MI, 48202, USA; Department of Pharmaceutical and Biomedical Sciences, University of Georgia, 250 West Green Street, Athens, GA, 30602, United States; Complex Carbohydrate Research Center, University of Georgia, 315 Riverbend Road, Athens, GA, 30602, United States; Department of Chemistry, University of Georgia, 140 Cedar Street, Athens, GA, 30602, United States.
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3
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Pascolutti M, Dirr L, Guillon P, Van Den Bergh A, Ve T, Thomson RJ, von Itzstein M. Structural Insights into Human Parainfluenza Virus 3 Hemagglutinin-Neuraminidase Using Unsaturated 3- N-Substituted Sialic Acids as Probes. ACS Chem Biol 2018; 13:1544-1550. [PMID: 29693380 DOI: 10.1021/acschembio.8b00150] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
A novel approach to human parainfluenza virus 3 (hPIV-3) inhibitor design has been evaluated by targeting an unexplored pocket within the active site region of the hemagglutinin-neuraminidase (HN) of the virus that is normally occluded upon ligand engagement. To explore this opportunity, we developed a highly efficient route to introduce nitrogen-based functionalities at the naturally unsubstituted C-3 position on the neuraminidase inhibitor template N-acyl-2,3-dehydro-2-deoxy-neuraminic acid ( N-acyl-Neu2en), via a regioselective 2,3-bromoazidation. Introduction of triazole substituents at C-3 on this template provided compounds with low micromolar inhibition of hPIV-3 HN neuraminidase activity, with the most potent having 48-fold improved potency over the corresponding C-3 unsubstituted analogue. However, the C-3-triazole N-acyl-Neu2en derivatives were significantly less active against the hemagglutinin function of the virus, with high micromolar IC50 values determined, and showed insignificant in vitro antiviral activity. Given the different pH optima of the HN protein's neuraminidase (acidic pH) and hemagglutinin (neutral pH) functions, the influence of pH on inhibitor binding was examined using X-ray crystallography and STD NMR spectroscopy, providing novel insights into the multifunctionality of hPIV-3 HN. While the 3-phenyltriazole- N-isobutyryl-Neu2en derivative could bind HN at pH 4.6, suitable for neuraminidase inhibition, at neutral pH binding of the inhibitor was substantially reduced. Importantly, this study clearly demonstrates for the first time that potent inhibition of HN neuraminidase activity is not necessarily directly correlated with a strong antiviral activity, and suggests that strong inhibition of the hemagglutinin function of hPIV HN is crucial for potent antiviral activity. This highlights the importance of designing hPIV inhibitors that primarily target the receptor-binding function of hPIV HN.
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Affiliation(s)
- Mauro Pascolutti
- Institute for Glycomics, Griffith University, Gold Coast Campus, Queensland 4222, Australia
| | - Larissa Dirr
- Institute for Glycomics, Griffith University, Gold Coast Campus, Queensland 4222, Australia
| | - Patrice Guillon
- Institute for Glycomics, Griffith University, Gold Coast Campus, Queensland 4222, Australia
| | - Annelies Van Den Bergh
- Institute for Glycomics, Griffith University, Gold Coast Campus, Queensland 4222, Australia
| | - Thomas Ve
- Institute for Glycomics, Griffith University, Gold Coast Campus, Queensland 4222, Australia
| | - Robin J. Thomson
- Institute for Glycomics, Griffith University, Gold Coast Campus, Queensland 4222, Australia
| | - Mark von Itzstein
- Institute for Glycomics, Griffith University, Gold Coast Campus, Queensland 4222, Australia
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4
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Modulation of the stereoselectivity and reactivity of glycosylation via ( p -Tol) 2 SO/Tf 2 O preactivation strategy: From O -, C -sialylation to general O -, N -glycosylation. CHINESE CHEM LETT 2018. [DOI: 10.1016/j.cclet.2017.09.034] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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5
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Hirai G, Ota E, Sakai M, Nishiyama S, Sodeoka M. C-Sialosides: Synthesis and Biological Activities. TRENDS GLYCOSCI GLYC 2015. [DOI: 10.4052/tigg.1313.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Go Hirai
- CREST, JST
- RIKEN Center for Sustainable Resource Science
- Synthetic Organic Chemistry Laboratory, RIKEN
| | - Eisuke Ota
- Keio University
- Synthetic Organic Chemistry Laboratory, RIKEN
| | - Motonari Sakai
- Tokyo Medical and Dental University
- Synthetic Organic Chemistry Laboratory, RIKEN
| | | | - Mikiko Sodeoka
- Tokyo Medical and Dental University
- CREST, JST
- RIKEN Center for Sustainable Resource Science
- Synthetic Organic Chemistry Laboratory, RIKEN
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6
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Kancharla PK, Kato T, Crich D. Probing the influence of protecting groups on the anomeric equilibrium in sialic acid glycosides with the persistent radical effect. J Am Chem Soc 2014; 136:5472-80. [PMID: 24606062 PMCID: PMC4004215 DOI: 10.1021/ja501276r] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2014] [Indexed: 12/11/2022]
Abstract
A method for the investigation of the influence of protecting groups on the anomeric equilibrium in the sialic acid glycosides has been developed on the basis of the equilibration of O-sialyl hydroxylamines by reversible homolytic scission of the glycosidic bond following the dictates of the Fischer-Ingold persistent radical effect. It is found that a trans-fused 4O,5N-oxazolidinone group stabilizes the equatorial glycoside, i.e., reduces the anomeric effect, when compared to the 4O,5N-diacetyl protected systems. This effect is discussed in terms of the powerful electron-withdrawing nature of the oxazolidinone system, which in turn is a function of its strong dipole moment in the mean plane of the pyranose ring system. The new equilibration method displays a small solvent effect and is most pronounced in less polar media consistent with the anomeric effect in general. The unusual (for anomeric radicals) poor kinetic selectivity of anomeric sialyl radicals is discussed in terms of the planar π-type structure of these radicals and of competing 1,3-diaxial interactions in the diastereomeric transition states for trapping on the α- and β-faces of the radical.
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Affiliation(s)
- Pavan K Kancharla
- Department of Chemistry, Wayne State University , 5101 Cass Avenue, Detroit, Michigan 48202, United States
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Rudrawar S, Dyason JC, Maggioni A, Thomson RJ, Itzstein MV. Novel 3,4-disubstituted-Neu5Ac2en derivatives as probes to investigate flexibility of the influenza virus sialidase 150-loop. Bioorg Med Chem 2013; 21:4820-30. [DOI: 10.1016/j.bmc.2013.05.054] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2012] [Revised: 04/17/2013] [Accepted: 05/28/2013] [Indexed: 10/26/2022]
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8
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Rudrawar S, Pascolutti M, Bhatt B, Thomson RJ, von Itzstein M. An efficient synthesis of C3 C-alkylated Neu5Ac2en derivatives. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2012.12.064] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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9
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Gu ZY, Zhang XT, Zhang JX, Xing GW. Highly efficient α-C-sialylation promoted by (p-Tol)2SO/Tf2O with N-acetyl-5-N,4-O-oxazolidione protected thiosialoside as donor. Org Biomol Chem 2013; 11:5017-22. [DOI: 10.1039/c3ob40876k] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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10
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Affiliation(s)
- Amandine Noel
- Centre de Recherche de Gif, Institut de Chimie des Substances Naturelles, CNRS, 1 Avenue de la Terrasse, 91190 Gif-sur-Yvette, France, and Department of Chemistry, Wayne State University, Detroit, Michigan 48202, United States
| | - Bernard Delpech
- Centre de Recherche de Gif, Institut de Chimie des Substances Naturelles, CNRS, 1 Avenue de la Terrasse, 91190 Gif-sur-Yvette, France, and Department of Chemistry, Wayne State University, Detroit, Michigan 48202, United States
| | - David Crich
- Centre de Recherche de Gif, Institut de Chimie des Substances Naturelles, CNRS, 1 Avenue de la Terrasse, 91190 Gif-sur-Yvette, France, and Department of Chemistry, Wayne State University, Detroit, Michigan 48202, United States
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Rudrawar S, Kerry PS, Rameix-Welti MA, Maggioni A, Dyason JC, Rose FJ, van der Werf S, Thomson RJ, Naffakh N, Russell RJM, von Itzstein M. Synthesis and evaluation of novel 3-C-alkylated-Neu5Ac2en derivatives as probes of influenza virus sialidase 150-loop flexibility. Org Biomol Chem 2012; 10:8628-39. [DOI: 10.1039/c2ob25627d] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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12
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Meinke S, Schroven A, Thiem J. Sialic acid C-glycosides with aromatic residues: Investigating enzyme binding and inhibition of Trypanosoma cruzi trans-sialidase. Org Biomol Chem 2011; 9:4487-97. [DOI: 10.1039/c0ob01176b] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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13
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Novel sialic acid derivatives lock open the 150-loop of an influenza A virus group-1 sialidase. Nat Commun 2010; 1:113. [PMID: 21081911 PMCID: PMC3060605 DOI: 10.1038/ncomms1114] [Citation(s) in RCA: 95] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2010] [Accepted: 10/18/2010] [Indexed: 11/08/2022] Open
Abstract
Influenza virus sialidase has an essential role in the virus' life cycle. Two distinct groups of influenza A virus sialidases have been established, that differ in the flexibility of the '150-loop', providing a more open active site in the apo form of the group-1 compared to group-2 enzymes. In this study we show, through a multidisciplinary approach, that novel sialic acid-based derivatives can exploit this structural difference and selectively inhibit the activity of group-1 sialidases. We also demonstrate that group-1 sialidases from drug-resistant mutant influenza viruses are sensitive to these designed compounds. Moreover, we have determined, by protein X-ray crystallography, that these inhibitors lock open the group-1 sialidase flexible 150-loop, in agreement with our molecular modelling prediction. This is the first direct proof that compounds may be developed to selectively target the pandemic A/H1N1, avian A/H5N1 and other group-1 sialidase-containing viruses, based on an open 150-loop conformation of the enzyme. The influenza virus life cycle relies on sialidases, which are classified as group-1 or group-2, depending on the flexibility of the '150-loop'. In this study, chemical compounds are developed, which lock open the '150-loop', selectively inhibiting the activity of group-1 sialidases.
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14
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Enzymatic glycosylation, inhibitor design, and synthesis and formation of glyco-self assembled monolayers for simulation of recognition. Eur J Cell Biol 2010; 89:39-52. [DOI: 10.1016/j.ejcb.2009.11.017] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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15
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Sodeoka M, Hirai G, Watanabe T, Miyagi T. A strategy for constructing C-sialosides based on Ireland-Claisen rearrangement and its application for synthesis of CF2-linked ganglioside GM4 analog. PURE APPL CHEM 2009. [DOI: 10.1351/pac-con-08-09-14] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Sialidase-resistant ganglioside analogs having similar biological activities to natural gangliosides are expected to be important probes for clarifying the biological functions of gangliosides. Focusing on difluoromethylene-linked (CF2-linked) and methylene-linked (CH2-linked) α(2,3)sialylgalactose as a core structure of sialidase-resistant ganglioside mimics, we have developed novel, stereocontrolled, and efficient methodologies to synthesize C-sialosides based on Ireland-Claisen rearrangement. These methods were employed to synthesize CF2-linked GM4. The CF2-linked GM4 inhibited human sialidases NEU2 and NEU4 with IC50 values of 754 and 930 μM, respectively, and strongly inhibited human lymphocyte proliferation in the same concentration range as natural GM4.
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Affiliation(s)
- Mikiko Sodeoka
- 1Synthetic Organic Chemistry Laboratory, RIKEN, Hirosawa, Wako, Saitama 351 0198, Japan
| | - Go Hirai
- 1Synthetic Organic Chemistry Laboratory, RIKEN, Hirosawa, Wako, Saitama 351 0198, Japan
| | - Toru Watanabe
- 1Synthetic Organic Chemistry Laboratory, RIKEN, Hirosawa, Wako, Saitama 351 0198, Japan
| | - Taeko Miyagi
- 2Division of Biochemistry, Miyagi Cancer Center Research Institute, Natori 981-1293, Japan, and CREST,JST Kawaguchi 332-1102, Japan
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16
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Martín A, Pérez-Martín I, Quintanal LM, Suárez E. Stereoselective synthesis of C-ketosides by sequential intramolecular hydrogen atom transfer–intermolecular allylation reaction. Tetrahedron Lett 2008. [DOI: 10.1016/j.tetlet.2008.06.070] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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17
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Cross metathesis for the synthesis of novel C-sialosides. Carbohydr Res 2008; 343:1824-9. [DOI: 10.1016/j.carres.2008.03.036] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2008] [Revised: 03/20/2008] [Accepted: 03/30/2008] [Indexed: 11/21/2022]
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18
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Hirai G, Watanabe T, Yamaguchi K, Miyagi T, Sodeoka M. Stereocontrolled and Convergent Entry toCF2-Sialosides: Synthesis ofCF2-Linked Ganglioside GM4. J Am Chem Soc 2007; 129:15420-1. [DOI: 10.1021/ja075738w] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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19
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An Expeditious Synthesis ofN-Acetylneuraminic Acid α-C-Glycosyl Derivatives (“α-C-Glycosides”) from the Anomeric Acetates. European J Org Chem 2007. [DOI: 10.1002/ejoc.200700181] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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20
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Roy R. DESIGNING NOVEL MULTIVALENT GLYCOTOOLS FOR BIOCHEMICAL INVESTIGATIONS RELATED TO SIALIC ACID. J Carbohydr Chem 2007. [DOI: 10.1081/car-120016489] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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21
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Streicher H, Geyer A, Schmidt RR. C-Disaccharides of Ketoses. Chemistry 2006; 2:502-510. [DOI: 10.1002/chem.19960020508] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/1995] [Indexed: 11/08/2022]
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22
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Wallimann K, Vasella A. C-Glykoside derN-Acetylneuraminsäure. Synthese und Untersuchung ihrer Wirkung auf dieVibrio choleraeSialidase. Helv Chim Acta 2004. [DOI: 10.1002/hlca.19910740716] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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23
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Gómez AM, Uriel C, Valverde S, Jarosz S, López J. Stereoselective synthesis of C-ketosides by Lewis acid-catalyzed C-glycosylation of alkynyl-ketoses. Tetrahedron Lett 2002. [DOI: 10.1016/s0040-4039(02)02145-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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24
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Khodair AI, Schmidt RR. Synthesis of C-glycosyl compounds of N-acetylneuraminic acid from D-gluconolactone. Carbohydr Res 2002; 337:1967-78. [PMID: 12433462 DOI: 10.1016/s0008-6215(02)00176-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
A general strategy towards the synthesis of C-glycosyl compounds of N-acetylneuraminic acid (Neu5Ac) has been developed and successfully applied to the synthesis of C-methyl and C-phenyl derivatives. The key strategic elements are (i) chain extension of a D-gluconolactone derivative as C(6)-precursor with an allyl Grignard reagent as C(3)-precursor having in 2 position the C-linked aglycon moiety, (ii) stereoselective C-4/C-5 erythro-diol formation, (iii) 6-exo-trig selective heterocyclization, and (iv) installment of the 5-acetylamino and C-1 carboxylate functionalities. The efficiency and potential versatility of this approach was exemplified in the synthesis of C-methyl derivative 1 as target molecule.
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Affiliation(s)
- Ahmed I Khodair
- Fachbereich Chemie, Universität Konstanz, Fach M 725, D-78457 Konstanz, Germany
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25
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Praly JP, Chen GR, Gola J, Hetzer G. Stereocontrolled Access to Higher Sugars (Non-1-en-4-ulopyranosyl Derivatives) and Glycomimetics [3-(β-D-Glycopyranosyl)-1-propenes and(3Z)-4,8-Anhydro-nona-1,3-dienitols]. European J Org Chem 2000. [DOI: 10.1002/1099-0690(200008)2000:16<2831::aid-ejoc2831>3.0.co;2-0] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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26
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Enholm EJ, Jia ZJ. One- and Two-Electron Reactions from the Rearrangement of α-Ketocyclopropanes by O-Stannyl Ketyls. J Org Chem 1997. [DOI: 10.1021/jo971287u] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Eric J. Enholm
- Department of Chemistry, University of Florida, Gainesville Florida 32611
| | - Zhaozhong J. Jia
- Department of Chemistry, University of Florida, Gainesville Florida 32611
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Choi SK, Mammen M, Whitesides GM. Generation and in Situ Evaluation of Libraries of Poly(acrylic acid) Presenting Sialosides as Side Chains as Polyvalent Inhibitors of Influenza-Mediated Hemagglutination. J Am Chem Soc 1997. [DOI: 10.1021/ja963519x] [Citation(s) in RCA: 164] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Seok-Ki Choi
- Contribution from the Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford Street, Cambridge, Massachusetts 02138
| | - Mathai Mammen
- Contribution from the Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford Street, Cambridge, Massachusetts 02138
| | - George M. Whitesides
- Contribution from the Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford Street, Cambridge, Massachusetts 02138
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28
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Schauer R, Kamerling JP. Chemistry, biochemistry and biology of sialic acids ☆. NEW COMPREHENSIVE BIOCHEMISTRY 1997; 29. [PMCID: PMC7147860 DOI: 10.1016/s0167-7306(08)60624-9] [Citation(s) in RCA: 88] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Roland Schauer
- Biochemisches Institut, Christian-Albrechls-Universität zu Kiel, Germany
| | - Johannis P. Kamerling
- Bijuoet Center, Department of Bio-Organic Chemistry, Utrecht University, The Netherlands
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30
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Nucleophilic C-glycosyl donors for C-glycoside synthesis. GLYCOSCIENCE SYNTHESIS OF SUBSTRATE ANALOGS AND MIMETICS 1997. [DOI: 10.1007/bfb0119252] [Citation(s) in RCA: 113] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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31
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Roe BA, Boojamra CG, Griggs JL, Bertozzi CR. Synthesis of beta-C-Glycosides of N-Acetylglucosamine via Keck Allylation Directed by Neighboring Phthalimide Groups. J Org Chem 1996; 61:6442-6445. [PMID: 11667491 DOI: 10.1021/jo960819o] [Citation(s) in RCA: 67] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Barbara A. Roe
- Department of Chemistry, University of California, Berkeley, California 94720
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Chapter one Introduction. ACTA ACUST UNITED AC 1995. [DOI: 10.1016/s1460-1567(06)80015-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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35
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Driguez PA, Barrere B, Quash G, Doutheau A. Synthesis of transition-state analogues as potential inhibitors of sialidase from Influenza virus. Carbohydr Res 1994; 262:297-310. [PMID: 7982221 DOI: 10.1016/0008-6215(94)84186-1] [Citation(s) in RCA: 27] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Sodium 5-acetamido-2,6-anhydro-3,4,5-trideoxy-D-manno-non-2-enonate (2) has been synthesized from N-acetyl-4-deoxy-neuraminic acid methyl ester (4). Sodium 2,6-anhydro-3-deoxy-L-arabino-hept-2-enonate (3), 4-acetamido-2,6-anhydro-3,4-dideoxy-L-arabino-hept-2-enonic acid (18e), and 4-acetamido-2,6-anhydro-3,4-dideoxy-L-ribo-hept-2-enonic acid (18a) have been prepared from L-arabinose. The above compounds were investigated as inhibitors of sialidase from Influenza virus. Only compound 2 showed a significant inhibitory activity (Ki 8 x 10(-2) mM) against the enzyme.
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Affiliation(s)
- P A Driguez
- Laboratoire de Chimie Organique, Institut National des Sciences Appliquées, Villeurbanne, France
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36
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Clive DL, Etkin N. Synthesis of α-amino acids by addition of putative azido radicals to α-methoxy acrylonitriles derived from aldehydes and ketones. Tetrahedron Lett 1994. [DOI: 10.1016/s0040-4039(00)77143-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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37
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Stangier P, Treder W, Thiem J. Chemoenzymatic galactosialylation with integrated cofactor regeneration. Glycoconj J 1993; 10:26-33. [PMID: 8358224 DOI: 10.1007/bf00731183] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
As a precursor for the chemical synthesis of sialylated oligosaccharides, the trisaccharide glycoside Neu5Ac alpha (2-8)Gal beta (1-4)GlcNAc beta (1-O)-pent-4-ene was synthesized starting from GlcNAc beta (1-O)-pent-4-ene, UDP-glucose and N-acetylneuraminic acid in a one pot reaction employing galactosyltransferase and alpha (2-6)sialyltransferase in a complete cofactor regeneration system.
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Affiliation(s)
- P Stangier
- Institut für Organische Chemie, Universität Hamburg, Germany
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