1
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Harnagel AP, Sheshova M, Zheng M, Zheng M, Skorupinska-Tudek K, Swiezewska E, Lupoli TJ. Preference of Bacterial Rhamnosyltransferases for 6-Deoxysugars Reveals a Strategy To Deplete O-Antigens. J Am Chem Soc 2023. [PMID: 37437030 PMCID: PMC10375533 DOI: 10.1021/jacs.3c03005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/14/2023]
Abstract
Bacteria synthesize hundreds of bacteria-specific or "rare" sugars that are absent in mammalian cells and enriched in 6-deoxy monosaccharides such as l-rhamnose (l-Rha). Across bacteria, l-Rha is incorporated into glycans by rhamnosyltransferases (RTs) that couple nucleotide sugar substrates (donors) to target biomolecules (acceptors). Since l-Rha is required for the biosynthesis of bacterial glycans involved in survival or host infection, RTs represent potential antibiotic or antivirulence targets. However, purified RTs and their unique bacterial sugar substrates have been difficult to obtain. Here, we use synthetic nucleotide rare sugar and glycolipid analogs to examine substrate recognition by three RTs that produce cell envelope components in diverse species, including a known pathogen. We find that bacterial RTs prefer pyrimidine nucleotide-linked 6-deoxysugars, not those containing a C6-hydroxyl, as donors. While glycolipid acceptors must contain a lipid, isoprenoid chain length, and stereochemistry can vary. Based on these observations, we demonstrate that a 6-deoxysugar transition state analog inhibits an RT in vitro and reduces levels of RT-dependent O-antigen polysaccharides in Gram-negative cells. As O-antigens are virulence factors, bacteria-specific sugar transferase inhibition represents a novel strategy to prevent bacterial infections.
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Affiliation(s)
- Alexa P Harnagel
- Department of Chemistry, New York University, New York, New York 10003, United States
| | - Mia Sheshova
- Department of Chemistry, New York University, New York, New York 10003, United States
| | - Meng Zheng
- Department of Chemistry, New York University, New York, New York 10003, United States
| | - Maggie Zheng
- Department of Chemistry, New York University, New York, New York 10003, United States
| | | | - Ewa Swiezewska
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Warsaw, 02-106, Poland
| | - Tania J Lupoli
- Department of Chemistry, New York University, New York, New York 10003, United States
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2
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Chen WA, Li HY, Sayyad A, Huang CY, Cheng WC. Synthesis of Nitrone-derived Pyrrolidine Scaffolds and Their Combinatorial Libraries to Develop Selective α-l-Rhamnosidase Inhibitors. Chem Asian J 2022; 17:e202200172. [PMID: 35535638 DOI: 10.1002/asia.202200172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 04/28/2022] [Indexed: 11/06/2022]
Abstract
A general and flexible approach toward the development of α-l-rhamnosidase (α-l-Rha-ase) inhibitors is described. Five enantiopure poly-substituted pyrrolidine-based scaffolds bearing the C1-aminomethyl moiety were designed and synthesized from five-membered cyclic nitrones. Each structurally diversified amide library of these scaffolds was rapidly generated via combinatorial parallel synthesis and applied for in-situ inhibition study against α-l-Rha-ase, allowing us to efficiently identify new inhibition hits. Surprisingly, all promising inhibitors are derived from the same scaffold 3. Among them, the most potent and selective inhibitor is pyrrolidine 19 with Ki =0.24 μM, approximately 24-fold more potent than the reference compound DAA (Ki =5.7 μM). It is the first study to comprehensively prepare pyrrolidine-based scaffolds and libraries for inhibition study against α-l-Rha-ase.
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Affiliation(s)
- Wei-An Chen
- Genomics Research Centre, Academia Sinica, 128, Section 2, Academia Road, 11529, Taipei, Taiwan
| | - Huang-Yi Li
- Genomics Research Centre, Academia Sinica, 128, Section 2, Academia Road, 11529, Taipei, Taiwan
| | - Ashik Sayyad
- Genomics Research Centre, Academia Sinica, 128, Section 2, Academia Road, 11529, Taipei, Taiwan
| | - Chun-Yen Huang
- Genomics Research Centre, Academia Sinica, 128, Section 2, Academia Road, 11529, Taipei, Taiwan
| | - Wei-Chieh Cheng
- Genomics Research Centre, Academia Sinica, 128, Section 2, Academia Road, 11529, Taipei, Taiwan
- Department of Chemistry, National Cheng-Kung University, 1, University Road, 701, Tainan, Taiwan
- Department of Applied Chemistry, National Chiayi University, 300, Xuefu Rd., East Dist., 600, Chiayi, Taiwan
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, 100 Shih-Chuan 1st Rd., 807, Kaohsiung, Taiwan
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3
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Debbah Z, Marrot J, Auberger N, Désiré J, Blériot Y. Stereoselective Access to Iminosugar C, C-Glycosides from 6-Azidoketopyranoses. Org Lett 2022; 24:4542-4546. [PMID: 35731688 DOI: 10.1021/acs.orglett.2c01560] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We report the synthesis of iminosugar C,C-glycosides starting from 6-azidoketopyranoses. Their Staudinger-azaWittig-mediated cyclization provided bicyclic N,O-acetals, which were stereoselectively opened with AllMgBr to afford β-hydroxyazepanes with a quaternary carbon α to the nitrogen. Their ring contraction via a β-aminoalcohol rearrangement produced the six-membered l-iminosugars with two functional handles at the pseudoanomeric position. Inversion of the free OH at the azepane level furnished the d-iminosugars.
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Affiliation(s)
- Zakaria Debbah
- Université de Poitiers, IC2MP, UMR CNRS 7285, Equipe "OrgaSynth", Groupe Glycochimie, 4 rue Michel Brunet, 86073 Poitiers Cedex 9, France
| | - Jérôme Marrot
- Institut Lavoisier de Versailles, UMR-CNRS 8180, Université de Versailles, 5 avenue des États-Unis, 78035 Versailles Cedex, France
| | - Nicolas Auberger
- Université de Poitiers, IC2MP, UMR CNRS 7285, Equipe "OrgaSynth", Groupe Glycochimie, 4 rue Michel Brunet, 86073 Poitiers Cedex 9, France
| | - Jérôme Désiré
- Université de Poitiers, IC2MP, UMR CNRS 7285, Equipe "OrgaSynth", Groupe Glycochimie, 4 rue Michel Brunet, 86073 Poitiers Cedex 9, France
| | - Yves Blériot
- Université de Poitiers, IC2MP, UMR CNRS 7285, Equipe "OrgaSynth", Groupe Glycochimie, 4 rue Michel Brunet, 86073 Poitiers Cedex 9, France
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4
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Xiao G, Alphey MS, Tran F, Pirrie L, Milbeo P, Zhou Y, Bickel JK, Kempf O, Kempf K, Naismith JH, Westwood NJ. Next generation Glucose-1-phosphate thymidylyltransferase (RmlA) inhibitors: An extended SAR study to direct future design. Bioorg Med Chem 2021; 50:116477. [PMID: 34757294 PMCID: PMC8613358 DOI: 10.1016/j.bmc.2021.116477] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 10/07/2021] [Accepted: 10/11/2021] [Indexed: 11/29/2022]
Abstract
The monosaccharide l-Rhamnose is an important component of bacterial cell walls. The first step in the l-rhamnose biosynthetic pathway is catalysed by glucose-1-phosphate thymidylyltransferase (RmlA), which condenses glucose-1-phosphate (Glu-1-P) with deoxythymidine triphosphate (dTTP) to yield dTDP-d-glucose. In addition to the active site where catalysis of this reaction occurs, RmlA has an allosteric site that is important for its function. Building on previous reports, SAR studies have explored further the allosteric site, leading to the identification of very potent P. aeruginosa RmlA inhibitors. Modification at the C6-NH2 of the inhibitor's pyrimidinedione core structure was tolerated. X-ray crystallographic analysis of the complexes of P. aeruginosa RmlA with the novel analogues revealed that C6-aminoalkyl substituents can be used to position a modifiable amine just outside the allosteric pocket. This opens up the possibility of linking a siderophore to this class of inhibitor with the goal of enhancing bacterial cell wall permeability.
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Affiliation(s)
- Ganyuan Xiao
- School of Chemistry and Biomedical Sciences Research Complex, University of St Andrews and EaStCHEM, St Andrews Fife KY16 9ST, UK
| | - Magnus S Alphey
- School of Chemistry and Biomedical Sciences Research Complex, University of St Andrews and EaStCHEM, St Andrews Fife KY16 9ST, UK
| | - Fanny Tran
- School of Chemistry and Biomedical Sciences Research Complex, University of St Andrews and EaStCHEM, St Andrews Fife KY16 9ST, UK
| | - Lisa Pirrie
- School of Chemistry and Biomedical Sciences Research Complex, University of St Andrews and EaStCHEM, St Andrews Fife KY16 9ST, UK
| | - Pierre Milbeo
- School of Chemistry and Biomedical Sciences Research Complex, University of St Andrews and EaStCHEM, St Andrews Fife KY16 9ST, UK
| | - Yi Zhou
- School of Chemistry and Biomedical Sciences Research Complex, University of St Andrews and EaStCHEM, St Andrews Fife KY16 9ST, UK
| | - Jasmine K Bickel
- School of Chemistry and Biomedical Sciences Research Complex, University of St Andrews and EaStCHEM, St Andrews Fife KY16 9ST, UK
| | - Oxana Kempf
- School of Chemistry and Biomedical Sciences Research Complex, University of St Andrews and EaStCHEM, St Andrews Fife KY16 9ST, UK
| | - Karl Kempf
- School of Chemistry and Biomedical Sciences Research Complex, University of St Andrews and EaStCHEM, St Andrews Fife KY16 9ST, UK
| | - James H Naismith
- Division of Structural Biology, University of Oxford, and The Rosalind Franklin Institute, Harwell Campus, OX11 0FA, UK.
| | - Nicholas J Westwood
- School of Chemistry and Biomedical Sciences Research Complex, University of St Andrews and EaStCHEM, St Andrews Fife KY16 9ST, UK.
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5
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Zheng M, Zheng M, Epstein S, Harnagel AP, Kim H, Lupoli TJ. Chemical Biology Tools for Modulating and Visualizing Gram-Negative Bacterial Surface Polysaccharides. ACS Chem Biol 2021; 16:1841-1865. [PMID: 34569792 DOI: 10.1021/acschembio.1c00341] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Bacterial cells present a wide diversity of saccharides that decorate the cell surface and help mediate interactions with the environment. Many Gram-negative cells express O-antigens, which are long sugar polymers that makeup the distal portion of lipopolysaccharide (LPS) that constitutes the surface of the outer membrane. This review highlights chemical biology tools that have been developed in recent years to facilitate the modulation of O-antigen synthesis and composition, as well as related bacterial polysaccharide pathways, and the detection of unique glycan sequences. Advances in the biochemistry and structural biology of O-antigen biosynthetic machinery are also described, which provide guidance for the design of novel chemical and biomolecular probes. Many of the tools noted here have not yet been utilized in biological systems and offer researchers the opportunity to investigate the complex sugar architecture of Gram-negative cells.
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Affiliation(s)
- Meng Zheng
- Department of Chemistry, New York University, New York, 10003 New York, United States
| | - Maggie Zheng
- Department of Chemistry, New York University, New York, 10003 New York, United States
| | - Samuel Epstein
- Department of Chemistry, New York University, New York, 10003 New York, United States
| | - Alexa P. Harnagel
- Department of Chemistry, New York University, New York, 10003 New York, United States
| | - Hanee Kim
- Department of Chemistry, New York University, New York, 10003 New York, United States
| | - Tania J. Lupoli
- Department of Chemistry, New York University, New York, 10003 New York, United States
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6
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Abstract
Iminosugars are naturally occurring carbohydrate analogues known since 1967. These natural compounds and hundreds of their synthetic derivatives prepared over five decades have been mainly exploited to inhibit the glycosidases, the enzymes catalysing the glycosidic bond cleavage, in order to find new drugs for the treatment of type 2 diabetes and other diseases. However, iminosugars are also inhibitors of glycosyltransferases, the enzymes responsible for the synthesis of oligosaccharides and glycoconjugates. The selective inhibition of specific glycosyltransferases involved in cancer or bacterial infections could lead to innovative therapeutic agents. The synthesis and biological properties of all the iminosugars assayed to date as glycosyltransferase inhibitors are reviewed in the present article.
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Affiliation(s)
- Irene Conforti
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247, CNRS, Université de Montpellier, Ecole Nationale Supérieure de Chimie de Montpellier, 8 Rue de l'Ecole Normale, 34296 Montpellier cedex 5, France.
| | - Alberto Marra
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247, CNRS, Université de Montpellier, Ecole Nationale Supérieure de Chimie de Montpellier, 8 Rue de l'Ecole Normale, 34296 Montpellier cedex 5, France.
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7
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Clemente F, Matassini C, Cardona F. Reductive Amination Routes in the Synthesis of Piperidine IminoSugars. European J Org Chem 2020. [DOI: 10.1002/ejoc.201901840] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Francesca Clemente
- Dipartimento di Chimica “Ugo Schiff”; Università di Firenze; Via della Lastruccia 3-13 50019 Sesto Fiorentino (FI) Italy
| | - Camilla Matassini
- Dipartimento di Chimica “Ugo Schiff”; Università di Firenze; Via della Lastruccia 3-13 50019 Sesto Fiorentino (FI) Italy
| | - Francesca Cardona
- Dipartimento di Chimica “Ugo Schiff”; Università di Firenze; Via della Lastruccia 3-13 50019 Sesto Fiorentino (FI) Italy
- Associated with Consorzio Interuniversitario Nazionale di ricerca in Metodologie e Processi Innovativi di Sintesi (CINMPIS); Università di Bari; 70125 Bari Italy
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8
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Bordes A, Poveda A, Troadec T, Franconetti A, Ardá A, Perrin F, Ménand M, Sollogoub M, Guillard J, Désiré J, Tripier R, Jiménez-Barbero J, Blériot Y. Synthesis, Conformational Analysis, and Complexation Study of an Iminosugar-Aza-Crown, a Sweet Chiral Cyclam Analog. Org Lett 2020; 22:2344-2349. [PMID: 32153195 PMCID: PMC7114874 DOI: 10.1021/acs.orglett.0c00503] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
![]()
A new family of chiral C2 symmetric
tetraazamacrocycles, coined ISAC for IminoSugar Aza-Crown, incorporating
two iminosugars adopting a 4C1 conformation
is disclosed. Multinuclear NMR experiments on the corresponding Cd2+ complex show that the ISAC is a strong chelator in water
and its tetramine cavity adopts a conformation similar to that of
the parent Cd–cyclam complex. Similar behavior is observed
with Cu2+ in solution, with enhanced stability compared
to the Cu–cyclam complex.
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Affiliation(s)
- Alexandra Bordes
- Université de Poitiers, IC2MP, UMR CNRS 7285, Equipe "Synthèse Organique", Groupe Glycochimie 4 rue Michel Brunet, 86073 Poitiers cedex 9, France
| | - Ana Poveda
- CIC bioGUNE, Parque Tecnológico de Bizkaia, Edif. 801A-1°, Derio-Bizkaia 48160, Spain
| | - Thibault Troadec
- Universite de Brest, UMR-CNRS 6521 CEMCA, 6 Avenue Victor le Gorgeu, 29200 Brest, France
| | - Antonio Franconetti
- CIC bioGUNE, Parque Tecnológico de Bizkaia, Edif. 801A-1°, Derio-Bizkaia 48160, Spain
| | - Ana Ardá
- CIC bioGUNE, Parque Tecnológico de Bizkaia, Edif. 801A-1°, Derio-Bizkaia 48160, Spain
| | - Flavie Perrin
- Université de Poitiers, IC2MP, UMR CNRS 7285, Equipe "Synthèse Organique", Groupe Glycochimie 4 rue Michel Brunet, 86073 Poitiers cedex 9, France
| | - Mickaël Ménand
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, UMR 8232, 4 place Jussieu, 75005 Paris, France
| | - Matthieu Sollogoub
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, UMR 8232, 4 place Jussieu, 75005 Paris, France
| | - Jerôme Guillard
- Université de Poitiers, IC2MP, UMR CNRS 7285, Equipe "Synthèse Organique", Groupe Glycochimie 4 rue Michel Brunet, 86073 Poitiers cedex 9, France
| | - Jérôme Désiré
- Université de Poitiers, IC2MP, UMR CNRS 7285, Equipe "Synthèse Organique", Groupe Glycochimie 4 rue Michel Brunet, 86073 Poitiers cedex 9, France
| | - Raphaël Tripier
- Universite de Brest, UMR-CNRS 6521 CEMCA, 6 Avenue Victor le Gorgeu, 29200 Brest, France
| | - Jesús Jiménez-Barbero
- CIC bioGUNE, Parque Tecnológico de Bizkaia, Edif. 801A-1°, Derio-Bizkaia 48160, Spain.,IKERBASQUE, Basque Foundation for Science, 48009 Bilbao, Spain.,Dept. Organic Chemistry II, Faculty of Science and Technology, University of the Basque Country, 48940 Leioa, Spain
| | - Yves Blériot
- Université de Poitiers, IC2MP, UMR CNRS 7285, Equipe "Synthèse Organique", Groupe Glycochimie 4 rue Michel Brunet, 86073 Poitiers cedex 9, France
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9
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Fontelle N, Yamamoto A, Arda A, Jiménez-Barbero J, Kato A, Désiré J, Blériot Y. 2-Acetamido-2-deoxy-l-iminosugarC-Alkyl andC-Aryl Glycosides: Synthesis and Glycosidase Inhibition. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800678] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Nathalie Fontelle
- IC2MP-UMR CNRS 7285; Université de Poitiers; Equipe “Synthèse Organique”; Université de Poitiers; 4 rue Michel Brunet 86073 Poitiers cedex 9 France
| | - Arisa Yamamoto
- Department of Hospital Pharmacy; University of Toyama; 2630 Sugitani 930-0194 Toyama Japan
| | - Ana Arda
- Parque Tecnológico de Bizkaia; CIC bioGUNE; Edif. 801A-1° 48160 Derio-Bizkaia Spain
| | | | - Atsushi Kato
- Department of Hospital Pharmacy; University of Toyama; 2630 Sugitani 930-0194 Toyama Japan
| | - Jérôme Désiré
- IC2MP-UMR CNRS 7285; Université de Poitiers; Equipe “Synthèse Organique”; Université de Poitiers; 4 rue Michel Brunet 86073 Poitiers cedex 9 France
| | - Yves Blériot
- IC2MP-UMR CNRS 7285; Université de Poitiers; Equipe “Synthèse Organique”; Université de Poitiers; 4 rue Michel Brunet 86073 Poitiers cedex 9 France
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10
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Strategy for designing selective α-l-rhamnosidase inhibitors: Synthesis and biological evaluation of l-DMDP cyclic isothioureas. Bioorg Med Chem 2017; 25:107-115. [DOI: 10.1016/j.bmc.2016.10.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Revised: 10/11/2016] [Accepted: 10/12/2016] [Indexed: 11/17/2022]
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11
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Liu Z, Yoshihara A, Kelly C, Heap JT, Marqvorsen MHS, Jenkinson SF, Wormald MR, Otero JM, Estévez A, Kato A, Fleet GWJ, Estévez RJ, Izumori K. 6-Deoxyhexoses froml-Rhamnose in the Search for Inducers of the Rhamnose Operon: Synergy of Chemistry and Biotechnology. Chemistry 2016; 22:12557-65. [PMID: 27439720 DOI: 10.1002/chem.201602482] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Indexed: 11/11/2022]
Affiliation(s)
- Zilei Liu
- Chemistry Research Laboratory; Department of Chemistry; University of Oxford; Oxford OX1 3TA UK
- Glycobiology Institute; Department of Biochemistry; University of Oxford; Oxford OX1 3QU UK
| | - Akihide Yoshihara
- International Institute of Rare Sugar Research and Education; Kagawa University; Miki Kagawa 761-0795 Japan
| | - Ciarán Kelly
- Centre for Synthetic Biology and Innovation; Department of Life Sciences; Imperial College; London SW7 2AZ UK
| | - John T. Heap
- Centre for Synthetic Biology and Innovation; Department of Life Sciences; Imperial College; London SW7 2AZ UK
| | - Mikkel H. S. Marqvorsen
- Chemistry Research Laboratory; Department of Chemistry; University of Oxford; Oxford OX1 3TA UK
| | - Sarah F. Jenkinson
- Chemistry Research Laboratory; Department of Chemistry; University of Oxford; Oxford OX1 3TA UK
| | - Mark R. Wormald
- Glycobiology Institute; Department of Biochemistry; University of Oxford; Oxford OX1 3QU UK
| | - José M. Otero
- Departamento de Química Orgánica and Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares; Universidade de Santiago de Compostela; 15782 Santiago de Compostela Spain
| | - Amalia Estévez
- Departamento de Química Orgánica and Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares; Universidade de Santiago de Compostela; 15782 Santiago de Compostela Spain
| | - Atsushi Kato
- Department of Hospital Pharmacy; University of Toyama; Toyama 930-0194 Japan
| | - George W. J. Fleet
- Chemistry Research Laboratory; Department of Chemistry; University of Oxford; Oxford OX1 3TA UK
| | - Ramón J. Estévez
- Departamento de Química Orgánica and Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares; Universidade de Santiago de Compostela; 15782 Santiago de Compostela Spain
| | - Ken Izumori
- International Institute of Rare Sugar Research and Education; Kagawa University; Miki Kagawa 761-0795 Japan
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12
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Dharuman S, Wang Y, Crich D. Alternative synthesis and antibacterial evaluation of 1,5-dideoxy-1,5-imino-L-rhamnitol. Carbohydr Res 2015; 419:29-32. [PMID: 26623949 DOI: 10.1016/j.carres.2015.10.015] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Revised: 10/27/2015] [Accepted: 10/28/2015] [Indexed: 11/16/2022]
Abstract
A convenient synthesis is described of 5-azido-5-deoxy-2,3-O-isopropylidene-L-rhamnofuranose from L-rhamnose in seven steps and 17% overall yield. A key feature of the synthesis is the selective oxidation of the secondary alcohol in 2,3-O-isopropylidene-L-rhamnofuranose in the presence of the hemiacetal to give the corresponding ketone in good yield using the Parikh-Doering reagent. 5-Azido-5-deoxy-2,3-O-isopropylidene-l-rhamnofuranose is then converted by a literature protocol to 1,5-dideoxy-1,5-imino-L-rhamnitol, which was found to have no significant antimicrobial activity against Pseudomonas aeruginosa, methicillin-resistant Staphylococcus aureus, and Escherichia coli.
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Affiliation(s)
- Suresh Dharuman
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, MI 48202, USA
| | - Yichen Wang
- 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.
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13
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Wang S, Cuesta-Seijo JA, Striebeck A, Lafont D, Palcic MM, Vidal S. Design of Glycosyltransferase Inhibitors: Serine Analogues as Pyrophosphate Surrogates? Chempluschem 2015; 80:1525-1532. [DOI: 10.1002/cplu.201500282] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2015] [Indexed: 01/07/2023]
Affiliation(s)
- Shuai Wang
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires; Laboratoire de Chimie Organique 2-Glycochimie, UMR 5246; CNRS and Université Claude Bernard Lyon 1; 43 Boulevard du 11 Novembre 1918 69622 Villeurbanne France
| | | | | | - Dominique Lafont
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires; Laboratoire de Chimie Organique 2-Glycochimie, UMR 5246; CNRS and Université Claude Bernard Lyon 1; 43 Boulevard du 11 Novembre 1918 69622 Villeurbanne France
| | - Monica M. Palcic
- Carlsberg Laboratory; Gamle Carlsberg Vej 10 1799 Copenhagen V Denmark
- Department of Biochemistry and Microbiology; University of Victoria; Victoria BC V8W 3P6 Canada
| | - Sébastien Vidal
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires; Laboratoire de Chimie Organique 2-Glycochimie, UMR 5246; CNRS and Université Claude Bernard Lyon 1; 43 Boulevard du 11 Novembre 1918 69622 Villeurbanne France
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14
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Wang S, Cuesta-Seijo JA, Lafont D, Palcic MM, Vidal S. Design of glycosyltransferase inhibitors: pyridine as a pyrophosphate surrogate. Chemistry 2013; 19:15346-57. [PMID: 24108680 DOI: 10.1002/chem.201301871] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2013] [Revised: 07/25/2013] [Indexed: 12/12/2022]
Abstract
A series of ten glycosyltransferase inhibitors has been designed and synthesized by using pyridine as a pyrophosphate surrogate. The series was prepared by conjugation of carbohydrate, pyridine, and nucleoside building blocks by using a combination of glycosylation, the Staudinger-Vilarrasa amide-bond formation, and azide-alkyne click chemistry. The compounds were evaluated as inhibitors of five metal-dependent galactosyltransferases. Crystallographic analyses of three inhibitors complexed in the active site of one of the enzymes confirmed that the pyridine moiety chelates the Mn(2+) ion causing a slight displacement (2 Å) from its original position. The carbohydrate head group occupies a different position than in the natural uridine diphosphate (UDP)-Gal substrate with little interaction with the enzyme.
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Affiliation(s)
- Shuai Wang
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, Laboratoire de Chimie Organique 2, Glycochimie, UMR 5246, CNRS and Université Claude Bernard Lyon 1, 43 Boulevard du 11 Novembre 1918, 6922 Villeurbanne (France), Fax: (+33) 472-448-109
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15
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Schitter G, Wrodnigg TM. Update on carbohydrate-containing antibacterial agents. Expert Opin Drug Discov 2013; 4:315-56. [PMID: 23489128 DOI: 10.1517/17460440902778725] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND Since the first known use of antibiotics > 2,500 years ago, a research field with immense importance for the welfare of mankind has been developed. After a decrease in interest in this topic by the end of the 20th century the occurrence of (poly-)resistant strains of bacteria induced a revival of antibiotics research. Health systems have been seeking viable and reliable solutions to this dangerous and expansive threat. OBJECTIVE This review will focus on carbohydrate-containing antibiotics and will give an outline of recently published novel isolated, semisynthetic as well as synthetic structures, their mechanism of action, if known, and the strategies for the design of compounds with potential by improved antibacterial properties. METHODS The literature between 2000 and 2008 was screened with main focus on recent examples of novel structures and strategies for the lead finding of exclusively antibacterial agents. RESULTS/CONCLUSION With the explanation of the role of the carbohydrate moieties in the respective antibacterial agents together with better synthetic strategies in carbohydrate chemistry as well as improvements in assay development for high throughput screening methods, carbohydrate-containing antibiotics can be used for the finding of potential drug leads that contribute to the fight against infections and diseases caused by (resistant) bacterial pathogens.
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Affiliation(s)
- Georg Schitter
- Technical University Graz, Institute of Organic Chemistry, Univ.-Doz. TMW, Dip.-Ing. GS, Glycogroup, A-8010 Graz, Austria +43 316 873 8744 ; +43 316 873 8740 ;
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16
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Concia AL, Gómez L, Bujons J, Parella T, Vilaplana C, Cardona PJ, Joglar J, Clapés P. Chemo-enzymatic synthesis and glycosidase inhibitory properties of DAB and LAB derivatives. Org Biomol Chem 2013; 11:2005-21. [PMID: 23381224 DOI: 10.1039/c3ob27343a] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A chemo-enzymatic strategy for the preparation of 2-aminomethyl derivatives of (2R,3R,4R)-2-(hydroxymethyl)pyrrolidine-3,4-diol (also called 1,4-dideoxy-1,4-imino-D-arabinitol, DAB) and its enantiomer LAB is presented. The synthesis is based on the enzymatic preparation of DAB and LAB followed by the chemical modification of their hydroxymethyl functionality to afford diverse 2-aminomethyl derivatives. This strategy leads to novel aromatic, aminoalcohol and 2-oxopiperazine DAB and LAB derivatives. The compounds were preliminarily explored as inhibitors of a panel of commercial glycosidases, rat intestinal disaccharidases and against Mycobacterium tuberculosis, the causative agent of tuberculosis. It was found that the inhibitory profile of the new products differed considerably from the parent DAB and LAB. Furthermore, some of them were active inhibiting the growth of M. tuberculosis.
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Affiliation(s)
- Alda Lisa Concia
- Dept Química Biológica y Modelización Molecular, Instituto de Química Avanzada de Cataluña, IQAC-CSIC, Jordi Girona 18-26, 08034 Barcelona, Spain
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17
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Gómez L, Garrabou X, Joglar J, Bujons J, Parella T, Vilaplana C, Cardona PJ, Clapés P. Chemoenzymatic synthesis, structural study and biological activity of novel indolizidine and quinolizidine iminocyclitols. Org Biomol Chem 2012; 10:6309-21. [DOI: 10.1039/c2ob25943e] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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18
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Synthetic analogues of mycobacterial arabinogalactan linkage-disaccharide part II: synthesis and preliminary screening of lipophilic O-alkyl glycosides. Carbohydr Res 2011; 346:2401-5. [PMID: 21962454 DOI: 10.1016/j.carres.2011.08.027] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2011] [Revised: 08/17/2011] [Accepted: 08/25/2011] [Indexed: 11/24/2022]
Abstract
Lipophilic analogues of the linkage-disaccharide found in the mycobacterial cell wall were synthesized and the synthetic analogues when biologically evaluated showed promising antimycobacterial property with MIC value in the range 3.13-12.50 μg/mL against Mycobacterium tuberculosis H(37)Rv.
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19
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Yang G, Li J, Liu Y, Lowary TL, Xu Y. Determination of the absolute configurations of bicyclo[3.1.0]hexane derivatives via electronic circular dichroism, optical rotation dispersion and vibrational circular dichroism spectroscopy and density functional theory calculations. Org Biomol Chem 2010; 8:3777-83. [PMID: 20567790 DOI: 10.1039/c002655g] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The electronic circular dichroism (ECD), optical rotation dispersion (ORD), and vibrational circular dichroism (VCD) spectra of a pair of enantiomers, i.e. 3 and 4, of a bicyclo[3.1.0]hexane derivative have been measured in acetonitrile and acetonitrile-d(3), respectively. Extensive conformational searches at the B3LYP/6-311++G** level have been carried out for 3, which has four OH and one N(3) functional groups. For the bicyclo[3.1.0]hexane ring of 3, the boat-like conformers have been found to be much more stable than the chair-like conformers, while the number and the strength of the intramolecular hydrogen bonds have been identified as the dominant factors in the relative stability among the boat-like and among the chair-like conformers. DFT simulations of the ECD, ORD and VCD spectra have been performed for all low energy conformers at the B3LYP/6-311++G** and B3LYP/aug-cc-pVDZ level. Implicit continuum polarization model has been used to account for solvent effects in all these chiroptical measurements. Comparison of the DFT simulations with the experimental data shows that all three chiroptical properties yield the same absolute configuration assignment for . This work demonstrates that using multiple chiroptical spectroscopic methods in combination with DFT calculations allows one to determine absolute configurations with high confidence for chiral carbohydrates and their analogues, which possess a large number of rotatable bonds.
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Affiliation(s)
- Guochun Yang
- Department of Chemistry and Alberta Ingenuity Centre for Carbohydrate Science, University of Alberta, Edmonton, AB, Canada T6G 2G2
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López-García MÁ, Maya I, Fernández-Bolaños JG, Bosica G, Ballini R. 1-Alkoxyamino-2-nitroalkanes as Key Building Blocks for a Chemo- and Diastereoselective Synthesis of a New Type of Polyfunctionalized N-Alkoxypiperidine. European J Org Chem 2010. [DOI: 10.1002/ejoc.201000540] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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21
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Wagner GK, Pesnot T, Field RA. A survey of chemical methods for sugar-nucleotide synthesis. Nat Prod Rep 2009; 26:1172-94. [PMID: 19693414 DOI: 10.1039/b909621n] [Citation(s) in RCA: 111] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- Gerd K Wagner
- School of Chemical Sciences and Pharmacy, University of East Anglia, Norwich, NR4 7TJ, UK.
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