1
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Liu H, Lang M, Hazelard D, Compain P. A Fries-Type Rearrangement Strategy for the Construction of Stereodefined Quaternary Pseudoanomeric Centers: An Entry into C-Naphthyl Ketosides. J Org Chem 2023; 88:13847-13856. [PMID: 37734008 DOI: 10.1021/acs.joc.3c01474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/23/2023]
Abstract
The stereodefined construction of quaternary pseudoanomeric centers by way of a BF3·Et2O-catalyzed, Fries-type rearrangement of O-ketosides is described. This method provides new access to C-naphthyl ketosides related to biologically relevant products with good to complete stereocontrol in favor of the β product.
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Affiliation(s)
- Haijuan Liu
- Laboratoire d'Innovation Moléculaire et Applications (LIMA), Univ. de Strasbourg | Univ. de Haute-Alsace | CNRS (UMR 7042), Equipe de Synthèse Organique et Molécules Bioactives (SYBIO), ECPM, 25 Rue Becquerel, 67000 Strasbourg, France
| | - Mylène Lang
- Laboratoire d'Innovation Moléculaire et Applications (LIMA), Univ. de Strasbourg | Univ. de Haute-Alsace | CNRS (UMR 7042), Equipe de Synthèse Organique et Molécules Bioactives (SYBIO), ECPM, 25 Rue Becquerel, 67000 Strasbourg, France
| | - Damien Hazelard
- Laboratoire d'Innovation Moléculaire et Applications (LIMA), Univ. de Strasbourg | Univ. de Haute-Alsace | CNRS (UMR 7042), Equipe de Synthèse Organique et Molécules Bioactives (SYBIO), ECPM, 25 Rue Becquerel, 67000 Strasbourg, France
| | - Philippe Compain
- Laboratoire d'Innovation Moléculaire et Applications (LIMA), Univ. de Strasbourg | Univ. de Haute-Alsace | CNRS (UMR 7042), Equipe de Synthèse Organique et Molécules Bioactives (SYBIO), ECPM, 25 Rue Becquerel, 67000 Strasbourg, France
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2
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Cardoza S, Shrivash MK, Riva L, Chatterjee AK, Mandal A, Tandon V. Multistep Synthesis of Analogues of Remdesivir: Incorporating Heterocycles at the C-1' Position. J Org Chem 2023; 88:9105-9122. [PMID: 37276453 DOI: 10.1021/acs.joc.3c00754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Studies suggest that the 1'β-CN moiety in remdesivir sterically clashes with the Ser861 residue of the RNA-dependent-RNA polymerase (RdRp), causing a delayed chain termination in the RNA replication process. Replacing C1'β-CN with 5-membered heterocycles such as tetrazoles, oxadiazoles, and triazoles can augment the inhibitory activity and pharmacokinetic profile of C-nucleotides. Synthesis of tetrazole-, triazole-, and oxadiazole-integrated C1' analogues of remdesivir was attempted using general synthetic routes. The final compounds 26, 28, and 29 did not inhibit viral replication; however, the synthetic intermediates, i.e., 27 and 50, exhibited an IC90 = 14.1 μM each. The trifluoromethyl-substituted 1,2,4-oxadiazole 59 showed an IC90 of 33.5 μM. This work adds to the growing evidence of the beneficial medicinal impact of C1,1'-disubstituted C-nucleotides.
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Affiliation(s)
- Savio Cardoza
- Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi 110067, India
| | - Manoj Kumar Shrivash
- Department of Applied Sciences, Indian Institute of Information Technology Allahabad, Allahabad 211012, Uttar Pradesh, India
| | - Laura Riva
- Calibr, Scripps Research, La Jolla, 11119 North Torrey Pines Road Suite 100, California 92037, United States
| | - Arnab K Chatterjee
- Calibr, Scripps Research, La Jolla, 11119 North Torrey Pines Road Suite 100, California 92037, United States
| | - Ajay Mandal
- Symbol Discovery Ltd, ASPIRE-TBI, School of Life Sciences, University of Hyderabad, Gachibowli, Hyderabad 500046, India
| | - Vibha Tandon
- Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi 110067, India
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3
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Pfeiffer M, Ribar A, Nidetzky B. A selective and atom-economic rearrangement of uridine by cascade biocatalysis for production of pseudouridine. Nat Commun 2023; 14:2261. [PMID: 37081027 PMCID: PMC10116470 DOI: 10.1038/s41467-023-37942-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Accepted: 04/06/2023] [Indexed: 04/22/2023] Open
Abstract
As a crucial factor of their therapeutic efficacy, the currently marketed mRNA vaccines feature uniform substitution of uridine (U) by the corresponding C-nucleoside, pseudouridine (Ψ), in 1-N-methylated form. Synthetic supply of the mRNA building block (1-N-Me-Ψ-5'-triphosphate) involves expedient access to Ψ as the principal challenge. Here, we show selective and atom-economic 1N-5C rearrangement of β-D-ribosyl on uracil to obtain Ψ from unprotected U in quantitative yield. One-pot cascade transformation of U in four enzyme-catalyzed steps, via D-ribose (Rib)-1-phosphate, Rib-5-phosphate (Rib5P) and Ψ-5'-phosphate (ΨMP), gives Ψ. Coordinated function of the coupled enzymes in the overall rearrangement necessitates specific release of phosphate from the ΨMP, but not from the intermediary ribose phosphates. Discovery of Yjjg as ΨMP-specific phosphatase enables internally controlled regeneration of phosphate as catalytic reagent. With driving force provided from the net N-C rearrangement, the optimized U reaction yields a supersaturated product solution (∼250 g/L) from which the pure Ψ crystallizes (90% recovery). Scale up to 25 g isolated product at enzyme turnovers of ∼105 mol/mol demonstrates a robust process technology, promising for Ψ production. Our study identifies a multistep rearrangement reaction, realized by cascade biocatalysis, for C-nucleoside synthesis in high efficiency.
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Affiliation(s)
- Martin Pfeiffer
- Institute of Biotechnology and Biochemical Engineering, Graz University of Technology, NAWI Graz, Petersgasse 12, A-8010, Graz, Austria
- Austrian Centre of Industrial Biotechnology (acib), Krenngasse 37, A-8010, Graz, Austria
| | - Andrej Ribar
- Institute of Biotechnology and Biochemical Engineering, Graz University of Technology, NAWI Graz, Petersgasse 12, A-8010, Graz, Austria
- Austrian Centre of Industrial Biotechnology (acib), Krenngasse 37, A-8010, Graz, Austria
| | - Bernd Nidetzky
- Institute of Biotechnology and Biochemical Engineering, Graz University of Technology, NAWI Graz, Petersgasse 12, A-8010, Graz, Austria.
- Austrian Centre of Industrial Biotechnology (acib), Krenngasse 37, A-8010, Graz, Austria.
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4
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Fernandes AJ, Michelet B, Panossian A, Martin-Mingot A, Leroux FR, Thibaudeau S. Exploring F/CF 3 substituted oxocarbenium ions for the diastereoselective assembly of highly substituted tetrahydrofurans. Chem Commun (Camb) 2023; 59:4083-4086. [PMID: 36938713 DOI: 10.1039/d2cc06521e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2023]
Abstract
Understanding the influence of emerging fluorinated motifs is of a crucial importance in the context of the exponentially growing exploitation of fluorine in many fields. Herein, we report on the dramatic effect of a local partial charge inversion by replacing a CHCH3 group by a CFCF3. This strategy allows the diastereoselective reduction of 5-membered ring oxocarbenium ions to access highly substituted tetrahydrofurans.
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Affiliation(s)
- Anthony J Fernandes
- Université de Strasbourg, Université de Haute-Alsace, CNRS, UMR 7042-LIMA, ECPM, 25 Rue Becquerel, Strasbourg 67087, France.
| | - Bastien Michelet
- Université de Poitiers, CNRS, IC2MP, UMR 7285, Equipe "Synthèse Organique", 4 Rue Michel Brunet, Poitiers Cedex 9 86073, France.
| | - Armen Panossian
- Université de Strasbourg, Université de Haute-Alsace, CNRS, UMR 7042-LIMA, ECPM, 25 Rue Becquerel, Strasbourg 67087, France.
| | - Agnès Martin-Mingot
- Université de Poitiers, CNRS, IC2MP, UMR 7285, Equipe "Synthèse Organique", 4 Rue Michel Brunet, Poitiers Cedex 9 86073, France.
| | - Frédéric R Leroux
- Université de Strasbourg, Université de Haute-Alsace, CNRS, UMR 7042-LIMA, ECPM, 25 Rue Becquerel, Strasbourg 67087, France.
| | - Sébastien Thibaudeau
- Université de Poitiers, CNRS, IC2MP, UMR 7285, Equipe "Synthèse Organique", 4 Rue Michel Brunet, Poitiers Cedex 9 86073, France.
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5
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Biocatalytic cascade transformations for the synthesis of C-nucleosides and N-nucleoside analogs. Curr Opin Biotechnol 2023; 79:102873. [PMID: 36630750 DOI: 10.1016/j.copbio.2022.102873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/25/2022] [Accepted: 12/05/2022] [Indexed: 01/11/2023]
Abstract
Nucleosides and their analogs, including those that feature substitution of the canonical N-glycosidic by a C-glycosidic linkage, provide access to potent antiviral, antibacterial, and antitumor drugs. Furthermore, they are key building blocks of m-RNA vaccines and play a crucial role for vaccine therapeutic effectiveness. As the medicinal applications of nucleosides increase in number and importance, there is a growing need for efficiency-enhanced routes of nucleoside synthesis. Cascade biocatalysis, that is, the application of natural or evolved enzymes promoting complex transformations in multiple steps in one pot and without the need of intermediate purification, emerges as a powerful tool to obtain nucleosides from readily available starting materials. Recent efforts in enzyme discovery and protein engineering expand the toolbox of catalysts active toward nucleosides or nucleotides. In this review, we highlight recent applications, and discuss challenges, of cascade biocatalysis for nucleoside synthesis. We focus on C-nucleosides and important analogs of the canonical N-nucleosides.
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6
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Demkiw KM, Remmerswaal WA, Hansen T, van der Marel GA, Codée JDC, Woerpel KA. Halogen Atom Participation in Guiding the Stereochemical Outcomes of Acetal Substitution Reactions. Angew Chem Int Ed Engl 2022; 61:e202209401. [PMID: 35980341 PMCID: PMC9561118 DOI: 10.1002/anie.202209401] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Indexed: 01/11/2023]
Abstract
Acetal substitution reactions of α-halogenated five- and six-membered rings can be highly stereoselective. Erosion of stereoselectivity occurs as nucleophilicity increases, which is consistent with additions to a halogen-stabilized oxocarbenium ion, not a three-membered-ring halonium ion. Computational investigations confirmed that the open-form oxocarbenium ions are the reactive intermediates involved. Kinetic studies suggest that hyperconjugative effects and through-space electrostatic interactions can both contribute to the stabilization of halogen-substituted oxocarbenium ions.
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Affiliation(s)
- Krystyna M. Demkiw
- Department of ChemistryNew York University100 Washington Square EastNew YorkNY 10003USA
| | - Wouter A. Remmerswaal
- Leiden Institute of ChemistryLeiden UniversityEinsteinweg 552300 RALeidenThe Netherlands
| | - Thomas Hansen
- Leiden Institute of ChemistryLeiden UniversityEinsteinweg 552300 RALeidenThe Netherlands
| | | | - Jeroen D. C. Codée
- Leiden Institute of ChemistryLeiden UniversityEinsteinweg 552300 RALeidenThe Netherlands
| | - K. A. Woerpel
- Department of ChemistryNew York University100 Washington Square EastNew YorkNY 10003USA
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7
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Demkiw KM, Remmerswaal WA, Hansen T, van der Marel GA, Codée JDC, Woerpel K. Halogen Atom Participation in Guiding the Stereochemical Outcomes of Acetal Substitution Reactions. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202209401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Krystyna M. Demkiw
- New York University Department of Chemistry Department of ChemistryNew York University100 Washington Square East 10003 New York UNITED STATES
| | - Wouter A. Remmerswaal
- Leiden University: Universiteit Leiden Leiden Institute of Chemistry Einsteinweg 552333 CC Leiden NETHERLANDS
| | - Thomas Hansen
- Leiden University: Universiteit Leiden Leiden Institute of Chemistry Einsteinweg 552333 CC Leiden NETHERLANDS
| | - Gijsbert A. van der Marel
- Leiden University: Universiteit Leiden Leiden Institute of Chemistry Einsteinweg 552333 CC Leiden NETHERLANDS
| | - Jeroen D. C. Codée
- Leiden University: Universiteit Leiden Leiden Institute of Chemistry Einsteinweg 552333 CC Leiden NETHERLANDS
| | - Keith Woerpel
- NYU: New York University Chemistry 100 Washington Square East 10003 New York UNITED STATES
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8
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Wu X, Zheng Z, Wang L, Xue Y, Liao J, Liu H, Liu D, Sun JS, Zhang Q. Stereoselective Synthesis of 2,3‐diamino‐2,3‐dideoxyglycosides from 3‐O‐acetyl‐2‐nitroglycals. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Xiaopei Wu
- Jiangxi Normal University Jiangxi Normal University CHINA
| | - Zhichao Zheng
- Jiangxi Normal University Jiangxi Normal University CHINA
| | - Liming Wang
- Jiangxi Normal University Jiangxi Normal University CHINA
| | - Yunxia Xue
- Jiangxi Normal University Jiangxi Normal University CHINA
| | - Jinxi Liao
- Jiangxi Normal University Jiangxi Normal University CHINA
| | - Hui Liu
- Jiangxi Normal University Jiangxi Normal University CHINA
| | - Deyong Liu
- Jiangxi Normal University Jiangxi Normal University CHINA
| | - Jian-Song Sun
- Jiangxi Normal University Jiangxi Normal University CHINA
| | - Qingju Zhang
- Jiangxi Normal University National Research Centre for Carbohydrate Synthesis 99 Ziyang Avenue 330022 Nanchang CHINA
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9
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Montes AS, León EI, Martin A, Pérez-Martín I, Suárez E. Free‐Radical Epimerization of D‐ into L‐C‐(glycosyl)methanol Compounds Using 1,5‐Hydrogen Atom Transfer Reaction. European J Org Chem 2022. [DOI: 10.1002/ejoc.202101391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Adrián S. Montes
- IPNA: Instituto de Productos Naturales y Agrobiologia Síntesis de Productos Naturales Avda. Astrofisico Francisco Sanchez 3 38206 La Laguna SPAIN
| | - Elisa I León
- IPNA: Instituto de Productos Naturales y Agrobiologia Síntesis de Productos Naturales Avda. Astrofisico Francisco Sanchez 3 38206 La Laguna SPAIN
| | - Angeles Martin
- Instituto de Productos Naturales Y Agrobiolog�a, CSIC Sintesis de Productos Naturales Avda. Astrofisico Fco. Sanchez 3 38205 La Laguna SPAIN
| | - Inés Pérez-Martín
- IPNA: Instituto de Productos Naturales y Agrobiologia Síntesis de Productos Naturales Avda. Astrofisico Francisco Sanchez 3 38206 La Laguna SPAIN
| | - Ernesto Suárez
- IPNA: Instituto de Productos Naturales y Agrobiologia Síntesis de Productos Naturales Avda. Astrofisico Francisco Sanchez 3 38206 La Laguna SPAIN
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10
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Abstract
Pseudouridimycin (1), a potent antibiotic against both Gram-positive and Gram-negative bacteria including multi-drug-resistant strains with a new mode of action isolated from Streptomyces sp., was synthesized by a convergent strategy from 5'-amino-pseudouridine 5 and N-hydroxy-dipeptide 26 in 23% total yield. The key intermediate 26 was synthesized by hydroxylaminolysis of the nitrone derived from glutamine and subsequent glycylation with glycine chloride. The synthetic method provides an efficient and practical way for the synthesis of N-hydroxylated peptidyl nucleoside.
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Affiliation(s)
- Xu-Kun Wang
- Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yue-Mei Jia
- Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yi-Xian Li
- Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chu-Yi Yu
- Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.,University of Chinese Academy of Sciences, Beijing 100049, China
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11
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Xia L, Fan W, Yuan XA, Yu S. Photoredox-Catalyzed Stereoselective Synthesis of C-Nucleoside Analogues from Glycosyl Bromides and Heteroarenes. ACS Catal 2021. [DOI: 10.1021/acscatal.1c02088] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Liwen Xia
- State Key Laboratory of Analytical Chemistry for Life Science, Jiangsu Key Laboratory of Advanced Organic Materials, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023 China
| | - Wenjing Fan
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165 China
| | - Xiang-Ai Yuan
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165 China
| | - Shouyun Yu
- State Key Laboratory of Analytical Chemistry for Life Science, Jiangsu Key Laboratory of Advanced Organic Materials, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023 China
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12
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Li F, Qu J. Synthesis of Aryl or Heteroaryl C-Nucleosides by Direct Coupling of a Carbohydrate Moiety with a Preformed Aglycon Unit. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202104032] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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13
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Pfeiffer M, Nidetzky B. Reverse C-glycosidase reaction provides C-nucleotide building blocks of xenobiotic nucleic acids. Nat Commun 2020; 11:6270. [PMID: 33293530 PMCID: PMC7722734 DOI: 10.1038/s41467-020-20035-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 11/09/2020] [Indexed: 12/21/2022] Open
Abstract
C-Analogues of the canonical N-nucleosides have considerable importance in medicinal chemistry and are promising building blocks of xenobiotic nucleic acids (XNA) in synthetic biology. Although well established for synthesis of N-nucleosides, biocatalytic methods are lacking in C-nucleoside synthetic chemistry. Here, we identify pseudouridine monophosphate C-glycosidase for selective 5-β-C-glycosylation of uracil and derivatives thereof from pentose 5-phosphate (D-ribose, 2-deoxy-D-ribose, D-arabinose, D-xylose) substrates. Substrate requirements of the enzymatic reaction are consistent with a Mannich-like addition between the pyrimidine nucleobase and the iminium intermediate of enzyme (Lys166) and open-chain pentose 5-phosphate. β-Elimination of the lysine and stereoselective ring closure give the product. We demonstrate phosphorylation-glycosylation cascade reactions for efficient, one-pot synthesis of C-nucleoside phosphates (yield: 33 - 94%) from unprotected sugar and nucleobase. We show incorporation of the enzymatically synthesized C-nucleotide triphosphates into nucleic acids by RNA polymerase. Collectively, these findings implement biocatalytic methodology for C-nucleotide synthesis which can facilitate XNA engineering for synthetic biology applications.
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Affiliation(s)
- Martin Pfeiffer
- Institute of Biotechnology and Biochemical Engineering, Graz University of Technology, NAWI Graz, Petersgasse 12, 8010, Graz, Austria
- Austrian Centre of Industrial Biotechnology (acib), Petersgasse 14, 8010, Graz, Austria
| | - Bernd Nidetzky
- Institute of Biotechnology and Biochemical Engineering, Graz University of Technology, NAWI Graz, Petersgasse 12, 8010, Graz, Austria.
- Austrian Centre of Industrial Biotechnology (acib), Petersgasse 14, 8010, Graz, Austria.
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14
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Abstract
2,3,5-Tri-O-benzyl- and 2,3,5-tri-O-methyl-d-ribono-γ-lactone were converted with (methoxyethoxymethoxy)methyl and benzyloxy tributylstannane into the corresponding protected d-psicoses as mixtures of anomers in 31%–72% yield. Treatment of 2,3,5-tri-O-methyl-l-ribono-γ-lactone with benzyloxy tributylstannane afforded the corresponding l-psicose derivative as an anomeric mixture in 72% yield. Both methylated psicoses were further converted into 1,2-O-isopropylidene-3,4,6-tri-O-methyl-d- and l-psicofuranosides, the respective α- and β-anomers of which could be separated and characterized.
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15
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van der Vorm S, Hansen T, van Rijssel ER, Dekkers R, Madern JM, Overkleeft HS, Filippov DV, van der Marel GA, Codée JDC. Furanosyl Oxocarbenium Ion Conformational Energy Landscape Maps as a Tool to Study the Glycosylation Stereoselectivity of 2-Azidofuranoses, 2-Fluorofuranoses and Methyl Furanosyl Uronates. Chemistry 2019; 25:7149-7157. [PMID: 30882938 PMCID: PMC6563709 DOI: 10.1002/chem.201900651] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Revised: 03/12/2019] [Indexed: 12/16/2022]
Abstract
The 3D shape of glycosyl oxocarbenium ions determines their stability and reactivity and the stereochemical course of SN 1 reactions taking place on these reactive intermediates is dictated by the conformation of these species. The nature and configuration of functional groups on the carbohydrate ring affect the stability of glycosyl oxocarbenium ions and control the overall shape of the cations. We herein map the stereoelectronic substituent effects of the C2-azide, C2-fluoride and C4-carboxylic acid ester on the stability and reactivity of the complete suite of diastereoisomeric furanoses by using a combined computational and experimental approach. Surprisingly, all furanosyl donors studied react in a highly stereoselective manner to provide the 1,2-cis products, except for the reactions in the xylose series. The 1,2-cis selectivity for the ribo-, arabino- and lyxo-configured furanosides can be traced back to the lowest-energy 3 E or E3 conformers of the intermediate oxocarbenium ions. The lack of selectivity for the xylosyl donors is related to the occurrence of oxocarbenium ions adopting other conformations.
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16
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Hansen T, Lebedel L, Remmerswaal WA, van der Vorm S, Wander DPA, Somers M, Overkleeft HS, Filippov DV, Désiré J, Mingot A, Bleriot Y, van der Marel GA, Thibaudeau S, Codée JDC. Defining the S N1 Side of Glycosylation Reactions: Stereoselectivity of Glycopyranosyl Cations. ACS CENTRAL SCIENCE 2019; 5:781-788. [PMID: 31139714 PMCID: PMC6535769 DOI: 10.1021/acscentsci.9b00042] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Indexed: 05/12/2023]
Abstract
The broad application of well-defined synthetic oligosaccharides in glycobiology and glycobiotechnology is largely hampered by the lack of sufficient amounts of synthetic carbohydrate specimens. Insufficient knowledge of the glycosylation reaction mechanism thwarts the routine assembly of these materials. Glycosyl cations are key reactive intermediates in the glycosylation reaction, but their high reactivity and fleeting nature have precluded the determination of clear structure-reactivity-stereoselectivity principles for these species. We report a combined experimental and computational method that connects the stereoselectivity of oxocarbenium ions to the full ensemble of conformations these species can adopt, mapped in conformational energy landscapes (CEL), in a quantitative manner. The detailed description of stereoselective SN1-type glycosylation reactions firmly establishes glycosyl cations as true reaction intermediates and will enable the generation of new stereoselective glycosylation methodology.
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Affiliation(s)
- Thomas Hansen
- Leiden
Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands
| | - Ludivine Lebedel
- UMR-CNRS
7285, IC2MP, Equipe “Synthèse Organique”, Université de Poitiers, 4 rue Michel Brunet, TSA 51106, Poitiers Cedex 9 86073, France
| | - Wouter A. Remmerswaal
- Leiden
Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands
| | - Stefan van der Vorm
- Leiden
Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands
| | - Dennis P. A. Wander
- Leiden
Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands
| | - Mark Somers
- Leiden
Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands
| | - Herman S. Overkleeft
- Leiden
Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands
| | - Dmitri V. Filippov
- Leiden
Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands
| | - Jérôme Désiré
- UMR-CNRS
7285, IC2MP, Equipe “Synthèse Organique”, Université de Poitiers, 4 rue Michel Brunet, TSA 51106, Poitiers Cedex 9 86073, France
| | - Agnès Mingot
- UMR-CNRS
7285, IC2MP, Equipe “Synthèse Organique”, Université de Poitiers, 4 rue Michel Brunet, TSA 51106, Poitiers Cedex 9 86073, France
| | - Yves Bleriot
- UMR-CNRS
7285, IC2MP, Equipe “Synthèse Organique”, Université de Poitiers, 4 rue Michel Brunet, TSA 51106, Poitiers Cedex 9 86073, France
| | | | - Sebastien Thibaudeau
- UMR-CNRS
7285, IC2MP, Equipe “Synthèse Organique”, Université de Poitiers, 4 rue Michel Brunet, TSA 51106, Poitiers Cedex 9 86073, France
| | - Jeroen D. C. Codée
- Leiden
Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands
- E-mail:
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17
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Madern JM, Hansen T, van Rijssel ER, Kistemaker HAV, van der Vorm S, Overkleeft HS, van der Marel GA, Filippov DV, Codée JDC. Synthesis, Reactivity, and Stereoselectivity of 4-Thiofuranosides. J Org Chem 2019; 84:1218-1227. [PMID: 30605336 PMCID: PMC6362437 DOI: 10.1021/acs.joc.8b02536] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Thiosugars, sugars that have their endocyclic oxygen substituted for a sulfur atom, have been used as stable bioisosteres of naturally occurring glycans because the thiosugar glycosydic linkage is supposed to be stabilized toward chemical and enzymatic hydrolysis. We have performed an in-depth investigation into the stability and reactivity of furanosyl thiacarbenium ions, by assessing all four diastereoisomeric thiofuranosides experimentally and computationally. We show that all furanosyl thiacarbenium ions react in a 1,2- cis-selective manner with triethylsilane, reminiscent of their oxo counterparts. The computed conformational space occupied by the thiacarbenium ions is strikingly similar to that of the corresponding furanosyl oxycarbenium ions, indicating that the stereoelectronic substituent effects governing the stability of furanosyl oxocarbenium ions and thiacarbenium ions are very similar. While the thio- ribo-furanose appears to be less reactive than its oxo counterpart, the thio- ara-, lyxo-, and xylo-furanosides appear to be more reactive than their oxygen equivalents. These differences are accounted for using the conformational preference of the donors and the carbocation intermediates. The lower reactivity of the thio- ribo furanosides in (Lewis) acid-mediated reactions and the similarity of the thia- and oxocarbenium ions make thio- ribo-furanosides excellent stabilized analogues of the naturally occurring ribo-furanose sugars.
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Affiliation(s)
- Jerre M Madern
- Leiden Institute of Chemistry , Leiden University , Einsteinweg 55 , CC Leiden 2333 , The Netherlands
| | - Thomas Hansen
- Leiden Institute of Chemistry , Leiden University , Einsteinweg 55 , CC Leiden 2333 , The Netherlands
| | - Erwin R van Rijssel
- Leiden Institute of Chemistry , Leiden University , Einsteinweg 55 , CC Leiden 2333 , The Netherlands
| | - Hans A V Kistemaker
- Leiden Institute of Chemistry , Leiden University , Einsteinweg 55 , CC Leiden 2333 , The Netherlands
| | - Stefan van der Vorm
- Leiden Institute of Chemistry , Leiden University , Einsteinweg 55 , CC Leiden 2333 , The Netherlands
| | - Herman S Overkleeft
- Leiden Institute of Chemistry , Leiden University , Einsteinweg 55 , CC Leiden 2333 , The Netherlands
| | - Gijsbert A van der Marel
- Leiden Institute of Chemistry , Leiden University , Einsteinweg 55 , CC Leiden 2333 , The Netherlands
| | - Dmitri V Filippov
- Leiden Institute of Chemistry , Leiden University , Einsteinweg 55 , CC Leiden 2333 , The Netherlands
| | - Jeroen D C Codée
- Leiden Institute of Chemistry , Leiden University , Einsteinweg 55 , CC Leiden 2333 , The Netherlands
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18
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Abstract
Pseudouridine (1) was synthesized by functional group interconversions of the Heck adduct11from 2,4-dimethoxy-5-iodopyrimidine (8) and ribofuranoid glycal4.
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Affiliation(s)
- Cheng-Ping Yu
- Department of Chemistry
- National Taiwan Normal University
- Taipei 11677
- Taiwan
| | - Hsin-Yun Chang
- Department of Chemistry
- National Taiwan Normal University
- Taipei 11677
- Taiwan
| | - Tun-Cheng Chien
- Department of Chemistry
- National Taiwan Normal University
- Taipei 11677
- Taiwan
- Faculty of Pharmacy
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19
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Temburnikar K, Seley-Radtke KL. Recent advances in synthetic approaches for medicinal chemistry of C-nucleosides. Beilstein J Org Chem 2018; 14:772-785. [PMID: 29719574 PMCID: PMC5905277 DOI: 10.3762/bjoc.14.65] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2017] [Accepted: 03/06/2018] [Indexed: 12/13/2022] Open
Abstract
C-nucleosides have intrigued biologists and medicinal chemists since their discovery in 1950's. In that regard, C-nucleosides and their synthetic analogues have resulted in promising leads in drug design. Concurrently, advances in chemical syntheses have contributed to structural diversity and drug discovery efforts. Convergent and modular approaches to synthesis have garnered much attention in this regard. Among them nucleophilic substitution at C1' has seen wide applications providing flexibility in synthesis, good yields, the ability to maneuver stereochemistry as well as to incorporate structural modifications. In this review, we describe recent reports on the modular synthesis of C-nucleosides with a focus on D-ribonolactone and sugar modifications that have resulted in potent lead molecules.
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Affiliation(s)
- Kartik Temburnikar
- Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, 725 N. Wolfe St. Baltimore, MD 21205, United States
| | - Katherine L Seley-Radtke
- Department of Chemistry and Biochemistry, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250, United States
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20
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Affiliation(s)
- You Yang
- Shanghai
Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Biao Yu
- State
Key Laboratory of Bio-organic and Natural Products Chemistry, Shanghai
Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
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21
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Sánchez-Eleuterio A, García-Santos WH, Díaz-Salazar H, Hernández-Rodríguez M, Cordero-Vargas A. Stereocontrolled Nucleophilic Addition to Five-Membered Oxocarbenium Ions Directed by the Protecting Groups. Application to the Total Synthesis of (+)-Varitriol and of Two Diastereoisomers Thereof. J Org Chem 2017; 82:8464-8475. [DOI: 10.1021/acs.joc.7b01211] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Alma Sánchez-Eleuterio
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior s/n, Ciudad Universitaria, Coyoacán C.P. 04510, México City, México
| | - William H. García-Santos
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior s/n, Ciudad Universitaria, Coyoacán C.P. 04510, México City, México
| | - Howard Díaz-Salazar
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior s/n, Ciudad Universitaria, Coyoacán C.P. 04510, México City, México
| | - Marcos Hernández-Rodríguez
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior s/n, Ciudad Universitaria, Coyoacán C.P. 04510, México City, México
| | - Alejandro Cordero-Vargas
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior s/n, Ciudad Universitaria, Coyoacán C.P. 04510, México City, México
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22
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Hernández-Torres G, Mateo J, Colobert F, Urbano A, Carreño MC. Synthesis of Medium-Sized 2,ω-cis-Disubstituted Cyclic Ethers by Reductive Cyclization of Hydroxy Ketones. ChemistrySelect 2016. [DOI: 10.1002/slct.201601161] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Gloria Hernández-Torres
- Departamento de Química Orgánica (Módulo 01), Fac. Ciencias; Universidad Autónoma de Madrid; c/ Francisco Tomás y Valiente 7, Cantoblanco 28049- Madrid Spain
| | - Julio Mateo
- Departamento de Química Orgánica (Módulo 01), Fac. Ciencias; Universidad Autónoma de Madrid; c/ Francisco Tomás y Valiente 7, Cantoblanco 28049- Madrid Spain
| | - FranÇoise Colobert
- Laboratoire de Synthèse et Catalyse Asymétrique; Université de Strasbourg (ECPM), UMR CNRS 7509; 25 rue Becquerel 67087 Strasbourg Cedex 02 France
| | - Antonio Urbano
- Departamento de Química Orgánica (Módulo 01), Fac. Ciencias; Universidad Autónoma de Madrid; c/ Francisco Tomás y Valiente 7, Cantoblanco 28049- Madrid Spain
| | - M. Carmen Carreño
- Departamento de Química Orgánica (Módulo 01), Fac. Ciencias; Universidad Autónoma de Madrid; c/ Francisco Tomás y Valiente 7, Cantoblanco 28049- Madrid Spain
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