1
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Özcan BD, Zimmermann ML, Ren M, Bols M. New methods of modification of α-cyclodextrin. Org Biomol Chem 2024; 22:7092-7102. [PMID: 39171533 DOI: 10.1039/d4ob01109k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/23/2024]
Abstract
While being some of the oldest supramolecular hosts, cyclodextrins remain very popular as molecular binders in materials, devices, artificial enzymes and more. The popularity is undoubtedly connected to the ready availability, carbohydrate biomass origin, biodegradability and water solubility of the cyclodextrins. Many of these applications require synthetic modification of the cyclodextrin - at the simplest the attachment of a linker - but also often attachment of several functional groups, lids, bridges etc. Here we review state of the art methods of modifying α-cyclodextrin, which include direct modications of unprotected α-cyclodextrin and protection/deprotection method to partially modified cyclodextrins.
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Affiliation(s)
- Bilge Deniz Özcan
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100 København Ø, Denmark.
| | - Morten Lang Zimmermann
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100 København Ø, Denmark.
| | - Mingzhe Ren
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100 København Ø, Denmark.
| | - Mikael Bols
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100 København Ø, Denmark.
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2
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Zimmermann ML, Feldballe DM, Pedersen CM. Silylene acetals from cheap reagents: synthesis and regioselective opening. Org Biomol Chem 2024; 22:5977-5981. [PMID: 38984612 DOI: 10.1039/d4ob00721b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/11/2024]
Abstract
In this communication, a practical method for using cheap and easily available silylene chlorides for diol protection is presented. The method is based on activation of the reagents using Finkelstein-like conditions. Silylene acetals of carbohydrates are synthesized, and it is furthermore shown how these can be regioselectively opened using Grignard reagents.
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3
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Guo H, Kirchhoff JL, Strohmann C, Grabe B, Loh CCJ. Asymmetric Pd/Organoboron-Catalyzed Site-Selective Carbohydrate Functionalization with Alkoxyallenes Involving Noncovalent Stereocontrol. Angew Chem Int Ed Engl 2024; 63:e202400912. [PMID: 38530140 DOI: 10.1002/anie.202400912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 03/19/2024] [Accepted: 03/20/2024] [Indexed: 03/27/2024]
Abstract
Herein, we demonstrate the robustness of a synergistic chiral Pd/organoboron system in tackling a challenging suite of site-, regio-, enantio- and diastereoselectivity issues across a considerable palette of biologically relevant carbohydrate polyols, when prochiral alkoxyallenes were employed as electrophiles. In view of the burgeoning role of noncovalent interactions (NCIs) in stereoselective carbohydrate synthesis, our mechanistic experiments and DFT modeling of the reaction path unexpectedly revealed that NCIs such as hydrogen bonding and CH-π interactions between the resting states of the Pd-π-allyl complex and the borinate saccharide are critically involved in the stereoselectivity control. Our strategy thus illuminates the untapped potential of harnessing NCIs in the context of transition metal catalysis to tackle stereoselectivity challenges in carbohydrate functionalization.
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Affiliation(s)
- Hao Guo
- Abteilung Chemische Biologie, Max Planck Institut für Molekulare Physiologie, Otto-Hahn-Straße 11, 44227, Dortmund, Germany
- Fakultät für Chemie und Chemische Biologie, Technische Universität Dortmund, Otto-Hahn-Straße 4a, 44227, Dortmund, Germany
| | - Jan-Lukas Kirchhoff
- Technische Universität Dortmund, Fakultät für Chemie und Chemische Biologie Anorganische Chemie, Otto-Hahn-Straße 6, 44227, Dortmund, Germany
| | - Carsten Strohmann
- Technische Universität Dortmund, Fakultät für Chemie und Chemische Biologie Anorganische Chemie, Otto-Hahn-Straße 6, 44227, Dortmund, Germany
| | - Bastian Grabe
- NMR Department Fakultät für Chemie und Chemische Biologie, Technische Universität Dortmund, Otto-Hahn-Straße 4a, 44227, Dortmund, Germany
| | - Charles C J Loh
- Abteilung Chemische Biologie, Max Planck Institut für Molekulare Physiologie, Otto-Hahn-Straße 11, 44227, Dortmund, Germany
- Fakultät für Chemie und Chemische Biologie, Technische Universität Dortmund, Otto-Hahn-Straße 4a, 44227, Dortmund, Germany
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4
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Zorck WF, Pedersen MJ, Bols M. One-step synthesis of Ling's tetrol and its conversion into A,D-di- allo-α-cyclodextrin derivatives. Org Biomol Chem 2023; 21:8993-9004. [PMID: 37869763 DOI: 10.1039/d3ob01576a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2023]
Abstract
2A-F,3B,C,E,F,6B,C,E,F-Tetradeca-O-benzyl-α-cyclodextrin or Ling's tetrol is a unique α-cyclodextrin derivative that is partially protected with specific access points on both rims of the cyclodextrin structure. Ling's tetrol is therefore potentially useful for the synthesis of more complex and sophisticated enzyme models and supramolecular structures. However, the original synthesis gave only 10% yield after a reaction time of 4 days, and a recent improvement that gave 52% yield required two steps and a reaction time in one step of 6 days. Here, a single-step synthesis is reported where Ling's tetrol is obtained in a yield of 59% with a reaction time of 40 hours. 2A-F,3B,C,E,F,6B,C,E,F-Tetradeca-O-benzyl-α-cyclodextrin was subsequently converted into 6A,D-dicarboxy-3A,D-diepi-α-cyclodextrin, 3A,D-dioxo-α-cyclodextrin and 3A,D-diamino-3A,D-dideoxy-3A,D-diepi-α-cyclodextrin. The binding of these compounds to CH4 and CO2 was determined.
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Affiliation(s)
- Waldemar Frederik Zorck
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100 København Ø, Denmark.
| | - Martin Jæger Pedersen
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100 København Ø, Denmark.
| | - Mikael Bols
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100 København Ø, Denmark.
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5
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Faurschou NV, Taaning RH, Pedersen CM. Substrate specific closed-loop optimization of carbohydrate protective group chemistry using Bayesian optimization and transfer learning. Chem Sci 2023; 14:6319-6329. [PMID: 37325141 PMCID: PMC10266441 DOI: 10.1039/d3sc01261a] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 05/12/2023] [Indexed: 06/17/2023] Open
Abstract
A new way of performing reaction optimization within carbohydrate chemistry is presented. This is done by performing closed-loop optimization of regioselective benzoylation of unprotected glycosides using Bayesian optimization. Both 6-O-monobenzoylations and 3,6-O-dibenzoylations of three different monosaccharides are optimized. A novel transfer learning approach, where data from previous optimizations of different substrates is used to speed up the optimizations, has also been developed. The optimal conditions found by the Bayesian optimization algorithm provide new insight into substrate specificity, as the conditions found are significantly different. In most cases, the optimal conditions include Et3N and benzoic anhydride, a new reagent combination for these reactions, discovered by the algorithm, demonstrating the power of this concept to widen the chemical space. Further, the developed procedures include ambient conditions and short reaction times.
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6
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Yamatsugu K, Kanai M. Catalytic Approaches to Chemo- and Site-Selective Transformation of Carbohydrates. Chem Rev 2023; 123:6793-6838. [PMID: 37126370 DOI: 10.1021/acs.chemrev.2c00892] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Carbohydrates are a fundamental unit playing pivotal roles in all the biological processes. It is thus essential to develop methods for synthesizing, functionalizing, and manipulating carbohydrates for further understanding of their functions and the creation of sugar-based functional materials. It is, however, not trivial to develop such methods, since carbohydrates are densely decorated with polar and similarly reactive hydroxy groups in a stereodefined manner. New approaches to chemo- and site-selective transformations of carbohydrates are, therefore, of great significance for revolutionizing sugar chemistry to enable easier access to sugars of interest. This review begins with a brief overview of the innate reactivity of hydroxy groups of carbohydrates. It is followed by discussions about catalytic approaches to enhance, override, or be orthogonal to the innate reactivity for the transformation of carbohydrates. This review avoids making a list of chemo- and site-selective reactions, but rather focuses on summarizing the concept behind each reported transformation. The literature references were sorted into sections based on the underlying ideas of the catalytic approaches, which we hope will help readers have a better sense of the current state of chemistry and develop innovative ideas for the field.
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Affiliation(s)
- Kenzo Yamatsugu
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Motomu Kanai
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
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7
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Ren J, Barton CD, Zhan J. Engineered production of bioactive polyphenolic O-glycosides. Biotechnol Adv 2023; 65:108146. [PMID: 37028465 DOI: 10.1016/j.biotechadv.2023.108146] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 03/04/2023] [Accepted: 04/02/2023] [Indexed: 04/09/2023]
Abstract
Polyphenolic compounds (such as quercetin and resveratrol) possess potential medicinal values due to their various bioactivities, but poor water solubility hinders their health benefits to humankind. Glycosylation is a well-known post-modification method to biosynthesize natural product glycosides with improved hydrophilicity. Glycosylation has profound effects on decreasing toxicity, increasing bioavailability and stability, together with changing bioactivity of polyphenolic compounds. Therefore, polyphenolic glycosides can be used as food additives, therapeutics, and nutraceuticals. Engineered biosynthesis provides an environmentally friendly and cost-effective approach to generate polyphenolic glycosides through the use of various glycosyltransferases (GTs) and sugar biosynthetic enzymes. GTs transfer the sugar moieties from nucleotide-activated diphosphate sugar (NDP-sugar) donors to sugar acceptors such as polyphenolic compounds. In this review, we systematically review and summarize the representative polyphenolic O-glycosides with various bioactivities and their engineered biosynthesis in microbes with different biotechnological strategies. We also review the major routes towards NDP-sugar formation in microbes, which is significant for producing unusual or novel glycosides. Finally, we discuss the trends in NDP-sugar based glycosylation research to promote the development of prodrugs that positively impact human health and wellness.
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Affiliation(s)
- Jie Ren
- Department of Biological Engineering, Utah State University, 4105 Old Main Hill, Logan, UT 84322-4105, USA
| | - Caleb Don Barton
- Department of Biological Engineering, Utah State University, 4105 Old Main Hill, Logan, UT 84322-4105, USA
| | - Jixun Zhan
- Department of Biological Engineering, Utah State University, 4105 Old Main Hill, Logan, UT 84322-4105, USA.
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8
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Koffi Teki DSE, Coulibaly B, Bil A, Vallin A, Lesur D, Fanté B, Chagnault V, Kovensky J. Synthesis of novel S- and O-disaccharide analogs of heparan sulfate for heparanase inhibition. Org Biomol Chem 2022; 20:3528-3534. [PMID: 35388870 DOI: 10.1039/d2ob00250g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Heparan sulfate (HS), a glycosaminoglycan related to heparin, is a linear polysaccharide, consisting of repeating disaccharide units. This compound is involved in multiple biological processes such as inflammation, coagulation, angiogenesis and viral infections. Our work focuses on the synthesis of simple HS analogs for the study of structure-activity relationships, with the aim of modulating these biological activities. Thioglycoside analogs, in which the interglycosidic oxygen is replaced by a sulfur atom, are very interesting compounds in terms of therapeutic applications. Indeed, the thioglycosidic bond leads to an improvement of their stability and can allow the inhibition of enzymes involved in physiological and pathological processes. In our previous work, we developed a synthetic sequence which led to a non-sulfated thiodisaccharide analog of HS. In this paper, we report our results of the development of a new synthetic method allowing access to the novel sulfated S-disaccharide, as well as to their oxygenated analogues (O-disaccharide and sulfated O-disaccharide). These 4 compounds were also tested for the inhibition of heparanase, an enzyme involved in biological processes like tumor growth and inflammation. The obtained IC50 values in the micromolar range showed the impact of the interglycosidic sulfur atom and the 6-sulfate group.
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Affiliation(s)
- D S-E Koffi Teki
- Laboratoire de Glycochimie, des Antimicrobiens et des Agroressources (LG2A), UMR 7378 CNRS, Université de Picardie Jules Verne, 33 rue Saint Leu, F-80039 Amiens Cedex, France.
| | - B Coulibaly
- Laboratoire de Glycochimie, des Antimicrobiens et des Agroressources (LG2A), UMR 7378 CNRS, Université de Picardie Jules Verne, 33 rue Saint Leu, F-80039 Amiens Cedex, France. .,Laboratoire de Constitution et Réaction de la Matière (LCRM), Université Félix Houphouët-Boigny (UFHB) de Cocody - Côte d'Ivoire, 22 BP 582 Abidjan 22, Côte d'Ivoire
| | - A Bil
- Laboratoire de Glycochimie, des Antimicrobiens et des Agroressources (LG2A), UMR 7378 CNRS, Université de Picardie Jules Verne, 33 rue Saint Leu, F-80039 Amiens Cedex, France.
| | - A Vallin
- Laboratoire de Glycochimie, des Antimicrobiens et des Agroressources (LG2A), UMR 7378 CNRS, Université de Picardie Jules Verne, 33 rue Saint Leu, F-80039 Amiens Cedex, France.
| | - D Lesur
- Laboratoire de Glycochimie, des Antimicrobiens et des Agroressources (LG2A), UMR 7378 CNRS, Université de Picardie Jules Verne, 33 rue Saint Leu, F-80039 Amiens Cedex, France.
| | - B Fanté
- Laboratoire de Constitution et Réaction de la Matière (LCRM), Université Félix Houphouët-Boigny (UFHB) de Cocody - Côte d'Ivoire, 22 BP 582 Abidjan 22, Côte d'Ivoire
| | - V Chagnault
- Laboratoire de Glycochimie, des Antimicrobiens et des Agroressources (LG2A), UMR 7378 CNRS, Université de Picardie Jules Verne, 33 rue Saint Leu, F-80039 Amiens Cedex, France.
| | - J Kovensky
- Laboratoire de Glycochimie, des Antimicrobiens et des Agroressources (LG2A), UMR 7378 CNRS, Université de Picardie Jules Verne, 33 rue Saint Leu, F-80039 Amiens Cedex, France.
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9
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Favreau B, Yeni O, Ollivier S, Boustie J, Dévéhat FL, Guégan JP, Fanuel M, Rogniaux H, Brédy R, Compagnon I, Ropartz D, Legentil L, Ferrières V. Synthesis of an Exhaustive Library of Naturally Occurring Gal f-Man p and Gal p-Man p Disaccharides. Toward Fingerprinting According to Ring Size by Advanced Mass Spectrometry-Based IM-MS and IRMPD. J Org Chem 2021; 86:6390-6405. [PMID: 33877829 DOI: 10.1021/acs.joc.1c00250] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Nature offers a huge diversity of glycosidic derivatives. Among numerous structural modulations, the nature of the ring size of hexosides may induce significant differences on both biological and physicochemical properties of the glycoconjugate of interest. On this assumption, we expect that small disaccharides bearing either a furanosyl entity or a pyranosyl residue would give a specific signature, even in the gas phase. On the basis of the scope of mass spectrometry, two analytical techniques to register those signatures were considered, i.e., the ion mobility (IM) and the infrared multiple photon dissociation (IRMPD), in order to build up cross-linked databases. d-Galactose occurs in natural products in both tautomeric forms and presents all possible regioisomers when linked to d-mannose. Consequently, the four reducing Galf-Manp disaccharides as well as the four Galp-Manp counterparts were first synthesized according to a highly convergent approach, and IM-MS and IRMPD-MS data were second collected. Both techniques used afforded signatures, specific to the nature of the connectivity between the two glycosyl entities.
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Affiliation(s)
- Bénédicte Favreau
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France.,Université de Lyon, CNRS, Université Claude Bernard Lyon 1, CNRS, Institut Lumiére Matiére, F-69622 Lyon, France.,INRAE, UR BIA, F-44316 Nantes, France, and.,INRAE, BIBS Facility, F-44316 Nantes, France.,Univ Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France
| | - Oznur Yeni
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France.,Université de Lyon, CNRS, Université Claude Bernard Lyon 1, CNRS, Institut Lumiére Matiére, F-69622 Lyon, France.,INRAE, UR BIA, F-44316 Nantes, France, and.,INRAE, BIBS Facility, F-44316 Nantes, France.,Univ Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France
| | - Simon Ollivier
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France.,Université de Lyon, CNRS, Université Claude Bernard Lyon 1, CNRS, Institut Lumiére Matiére, F-69622 Lyon, France.,INRAE, UR BIA, F-44316 Nantes, France, and.,INRAE, BIBS Facility, F-44316 Nantes, France.,Univ Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France
| | - Joël Boustie
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France.,Université de Lyon, CNRS, Université Claude Bernard Lyon 1, CNRS, Institut Lumiére Matiére, F-69622 Lyon, France.,INRAE, UR BIA, F-44316 Nantes, France, and.,INRAE, BIBS Facility, F-44316 Nantes, France.,Univ Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France
| | - Françoise Le Dévéhat
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France.,Université de Lyon, CNRS, Université Claude Bernard Lyon 1, CNRS, Institut Lumiére Matiére, F-69622 Lyon, France.,INRAE, UR BIA, F-44316 Nantes, France, and.,INRAE, BIBS Facility, F-44316 Nantes, France.,Univ Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France
| | - Jean-Paul Guégan
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France.,Université de Lyon, CNRS, Université Claude Bernard Lyon 1, CNRS, Institut Lumiére Matiére, F-69622 Lyon, France.,INRAE, UR BIA, F-44316 Nantes, France, and.,INRAE, BIBS Facility, F-44316 Nantes, France.,Univ Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France
| | - Mathieu Fanuel
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France.,Université de Lyon, CNRS, Université Claude Bernard Lyon 1, CNRS, Institut Lumiére Matiére, F-69622 Lyon, France.,INRAE, UR BIA, F-44316 Nantes, France, and.,INRAE, BIBS Facility, F-44316 Nantes, France.,Univ Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France
| | - Hélène Rogniaux
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France.,Université de Lyon, CNRS, Université Claude Bernard Lyon 1, CNRS, Institut Lumiére Matiére, F-69622 Lyon, France.,INRAE, UR BIA, F-44316 Nantes, France, and.,INRAE, BIBS Facility, F-44316 Nantes, France.,Univ Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France
| | - Richard Brédy
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France.,Université de Lyon, CNRS, Université Claude Bernard Lyon 1, CNRS, Institut Lumiére Matiére, F-69622 Lyon, France.,INRAE, UR BIA, F-44316 Nantes, France, and.,INRAE, BIBS Facility, F-44316 Nantes, France.,Univ Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France
| | - Isabelle Compagnon
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France.,Université de Lyon, CNRS, Université Claude Bernard Lyon 1, CNRS, Institut Lumiére Matiére, F-69622 Lyon, France.,INRAE, UR BIA, F-44316 Nantes, France, and.,INRAE, BIBS Facility, F-44316 Nantes, France.,Univ Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France
| | - David Ropartz
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France.,Université de Lyon, CNRS, Université Claude Bernard Lyon 1, CNRS, Institut Lumiére Matiére, F-69622 Lyon, France.,INRAE, UR BIA, F-44316 Nantes, France, and.,INRAE, BIBS Facility, F-44316 Nantes, France.,Univ Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France
| | - Laurent Legentil
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France.,Université de Lyon, CNRS, Université Claude Bernard Lyon 1, CNRS, Institut Lumiére Matiére, F-69622 Lyon, France.,INRAE, UR BIA, F-44316 Nantes, France, and.,INRAE, BIBS Facility, F-44316 Nantes, France.,Univ Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France
| | - Vincent Ferrières
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France.,Université de Lyon, CNRS, Université Claude Bernard Lyon 1, CNRS, Institut Lumiére Matiére, F-69622 Lyon, France.,INRAE, UR BIA, F-44316 Nantes, France, and.,INRAE, BIBS Facility, F-44316 Nantes, France.,Univ Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France
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10
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Tsvetkov YE, Yudina ON, Nifantiev NE. 3-Amino-3-deoxy- and 4-amino-4-deoxyhexoses in the synthesis of natural carbohydrate compounds and their analogues. RUSSIAN CHEMICAL REVIEWS 2021. [DOI: 10.1070/rcr4974] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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11
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Jaeger Pedersen M, Pedersen CM. Reactivity, Selectivity, and Synthesis of 4-C-Silylated Glycosyl Donors and 4-Deoxy Analogues. Angew Chem Int Ed Engl 2021; 60:2689-2693. [PMID: 33025650 DOI: 10.1002/anie.202009209] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Indexed: 12/27/2022]
Abstract
A method for introducing dimethylphenylsilyl at the 4-position in carbohydrates has been developed. Two C-silylated glycosyl donors were prepared via levoglucosenone, starting from cellulose. The glycosylation properties were studied using three glucoside acceptors, a 3-OH, 4-OH, and 6-OH. Compared with the 4-deoxy variant, it was found that the anomeric selectivity was influenced more by the C-2 substituents orientation than the silyl in the 4-position. In general, the reactivity of these donors was higher than the corresponding 4-deoxy-analogue, albeit a competition experiment showed that the introduction of a C-Si increases the relative reactivity by a modest factor of around two.
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Affiliation(s)
- Martin Jaeger Pedersen
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100, Copenhagen Ø, Denmark.,Current address: School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
| | - Christian Marcus Pedersen
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100, Copenhagen Ø, Denmark
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12
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Jæger Pedersen M, Pedersen CM. Reactivity, Selectivity, and Synthesis of 4‐
C
‐Silylated Glycosyl Donors and 4‐Deoxy Analogues. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202009209] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Martin Jæger Pedersen
- Department of Chemistry University of Copenhagen Universitetsparken 5 2100 Copenhagen Ø Denmark
- Current address: School of Chemistry University College Dublin Belfield Dublin 4 Ireland
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13
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Holmstrøm T, Pedersen CM. Enzyme-Catalyzed Regioselective Acetylation of Functionalized Glycosides. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000696] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Thomas Holmstrøm
- Department of Chemistry; University of Copenhagen; Universitetsparken 5 2100 København Ø Denmark
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14
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Aroyl and acyl cyanides as orthogonal protecting groups or as building blocks for the synthesis of heterocycles. Mol Divers 2019; 23:1065-1084. [PMID: 30666490 DOI: 10.1007/s11030-019-09915-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 01/04/2019] [Indexed: 10/27/2022]
Abstract
α-Cyanoketones represent a synthetically attractive scaffold possessing bifunctional reactivity which enabled synthesis of a diversity of products. This involves reaction of nucleophiles with electrophilic carbonyl carbon performing an efficient and regioselective way to acylation reaction, cycloaddition of activated cyano function with dipolarophiles, metal-catalyzed cross-dehydrogenative coupling carbocyanation across C-C multiple bonds as well as hydrocyanation. This review provides the recent developments in the chemistry of α-cyanoketones which will be beneficial for researchers and scientists in such field.
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15
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van der Vorm S, Hansen T, van Hengst JMA, Overkleeft HS, van der Marel GA, Codée JDC. Acceptor reactivity in glycosylation reactions. Chem Soc Rev 2019; 48:4688-4706. [DOI: 10.1039/c8cs00369f] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The effect of the reactivity of the glycosyl acceptor on the outcome of glycosylation reactions is reviewed.
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Affiliation(s)
| | - Thomas Hansen
- Leiden Institute of Chemistry
- Leiden University
- 2333 CC Leiden
- The Netherlands
| | | | | | | | - Jeroen D. C. Codée
- Leiden Institute of Chemistry
- Leiden University
- 2333 CC Leiden
- The Netherlands
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16
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Dimakos V, Taylor MS. Site-Selective Functionalization of Hydroxyl Groups in Carbohydrate Derivatives. Chem Rev 2018; 118:11457-11517. [DOI: 10.1021/acs.chemrev.8b00442] [Citation(s) in RCA: 148] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Victoria Dimakos
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada
| | - Mark S. Taylor
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada
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17
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Glibstrup E, Pedersen CM. Synthesis of α-D-Gal pN 3-(1-3)-D-Gal pN 3: α- and 3- O-selectivity using 3,4-diol acceptors. Beilstein J Org Chem 2018; 14:2805-2811. [PMID: 30498530 PMCID: PMC6244312 DOI: 10.3762/bjoc.14.258] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Accepted: 10/30/2018] [Indexed: 12/22/2022] Open
Abstract
The motif α-D-GalpNAc-(1-3)-D-GalpNAc is very common in Nature and hence its synthesis highly relevant. The synthesis of its azido precursor has been studied and optimized in terms of steps, yields and selectivity. It has been found that glycosylation of the 3,4-diol acceptor is an advantage over the use of a 4-O-protected acceptor and that both regio- and anomeric selectivity is enhanced by bulky 6-O-protective groups. The acceptors and donors are made from common building blocks, limiting protective manipulations, and in this context, unavoidable side reactions.
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Affiliation(s)
- Emil Glibstrup
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100 Copenhagen O, Denmark
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18
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Adero PO, Amarasekara H, Wen P, Bohé L, Crich D. The Experimental Evidence in Support of Glycosylation Mechanisms at the S N1-S N2 Interface. Chem Rev 2018; 118:8242-8284. [PMID: 29846062 PMCID: PMC6135681 DOI: 10.1021/acs.chemrev.8b00083] [Citation(s) in RCA: 219] [Impact Index Per Article: 36.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A critical review of the state-of-the-art evidence in support of the mechanisms of glycosylation reactions is provided. Factors affecting the stability of putative oxocarbenium ions as intermediates at the SN1 end of the mechanistic continuum are first surveyed before the evidence, spectroscopic and indirect, for the existence of such species on the time scale of glycosylation reactions is presented. Current models for diastereoselectivity in nucleophilic attack on oxocarbenium ions are then described. Evidence in support of the intermediacy of activated covalent glycosyl donors is reviewed, before the influences of the structure of the nucleophile, of the solvent, of temperature, and of donor-acceptor hydrogen bonding on the mechanism of glycosylation reactions are surveyed. Studies on the kinetics of glycosylation reactions and the use of kinetic isotope effects for the determination of transition-state structure are presented, before computational models are finally surveyed. The review concludes with a critical appraisal of the state of the art.
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Affiliation(s)
- Philip Ouma Adero
- Department of Chemistry , Wayne State University , 5101 Cass Avenue , Detroit , Michigan 48202 , United States
| | - Harsha Amarasekara
- Department of Chemistry , Wayne State University , 5101 Cass Avenue , Detroit , Michigan 48202 , United States
| | - Peng Wen
- Department of Chemistry , Wayne State University , 5101 Cass Avenue , Detroit , Michigan 48202 , United States
| | - Luis Bohé
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301 , Université Paris-Sud Université Paris-Saclay , 1 avenue de la Terrasse , 91198 Gif-sur-Yvette , France
| | - David Crich
- Department of Chemistry , Wayne State University , 5101 Cass Avenue , Detroit , Michigan 48202 , United States
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19
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Chen HM, Withers SG. Synthesis of azido-deoxy and amino-deoxy glycosides and glycosyl fluorides for screening of glycosidase libraries and assembly of substituted glycosides. Carbohydr Res 2018; 467:33-44. [DOI: 10.1016/j.carres.2018.07.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 07/13/2018] [Accepted: 07/16/2018] [Indexed: 10/28/2022]
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20
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Metabolic engineering of glycosylated polyketide biosynthesis. Emerg Top Life Sci 2018; 2:389-403. [DOI: 10.1042/etls20180011] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 05/28/2018] [Accepted: 05/29/2018] [Indexed: 12/15/2022]
Abstract
Microbial cell factories are extensively used for the biosynthesis of value-added chemicals, biopharmaceuticals, and biofuels. Microbial biosynthesis is also realistic for the production of heterologous molecules including complex natural products of plant and microbial origin. Glycosylation is a well-known post-modification method to engineer sugar-functionalized natural products. It is of particular interest to chemical biologists to increase chemical diversity of molecules. Employing the state-of-the-art systems and synthetic biology tools, a range of small to complex glycosylated natural products have been produced from microbes using a simple and sustainable fermentation approach. In this context, this review covers recent notable metabolic engineering approaches used for the biosynthesis of glycosylated plant and microbial polyketides in different microorganisms. This review article is broadly divided into two major parts. The first part is focused on the biosynthesis of glycosylated plant polyketides in prokaryotes and yeast cells, while the second part is focused on the generation of glycosylated microbial polyketides in actinomycetes.
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21
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van der Vorm S, van Hengst JMA, Bakker M, Overkleeft HS, van der Marel GA, Codée JDC. Mapping the Relationship between Glycosyl Acceptor Reactivity and Glycosylation Stereoselectivity. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201802899] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Stefan van der Vorm
- Bioorganic Synthesis DepartmentLeiden Institute of ChemistryLeiden University Einsteinweg 55, 2333 CC Leiden The Netherlands
| | - Jacob M. A. van Hengst
- Bioorganic Synthesis DepartmentLeiden Institute of ChemistryLeiden University Einsteinweg 55, 2333 CC Leiden The Netherlands
| | - Marloes Bakker
- Bioorganic Synthesis DepartmentLeiden Institute of ChemistryLeiden University Einsteinweg 55, 2333 CC Leiden The Netherlands
| | - Herman S. Overkleeft
- Bioorganic Synthesis DepartmentLeiden Institute of ChemistryLeiden University Einsteinweg 55, 2333 CC Leiden The Netherlands
| | - Gijsbert A. van der Marel
- Bioorganic Synthesis DepartmentLeiden Institute of ChemistryLeiden University Einsteinweg 55, 2333 CC Leiden The Netherlands
| | - Jeroen D. C. Codée
- Bioorganic Synthesis DepartmentLeiden Institute of ChemistryLeiden University Einsteinweg 55, 2333 CC Leiden The Netherlands
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22
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van der Vorm S, van Hengst JMA, Bakker M, Overkleeft HS, van der Marel GA, Codée JDC. Mapping the Relationship between Glycosyl Acceptor Reactivity and Glycosylation Stereoselectivity. Angew Chem Int Ed Engl 2018; 57:8240-8244. [PMID: 29603532 PMCID: PMC6032835 DOI: 10.1002/anie.201802899] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Indexed: 01/23/2023]
Abstract
The reactivity of both coupling partners-the glycosyl donor and acceptor-is decisive for the outcome of a glycosylation reaction, in terms of both yield and stereoselectivity. Where the reactivity of glycosyl donors is well understood and can be controlled through manipulation of the functional/protecting-group pattern, the reactivity of glycosyl acceptor alcohols is poorly understood. We here present an operationally simple system to gauge glycosyl acceptor reactivity, which employs two conformationally locked donors with stereoselectivity that critically depends on the reactivity of the nucleophile. A wide array of acceptors was screened and their structure-reactivity/stereoselectivity relationships established. By systematically varying the protecting groups, the reactivity of glycosyl acceptors can be adjusted to attain stereoselective cis-glucosylations.
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Affiliation(s)
- Stefan van der Vorm
- Bioorganic Synthesis Department, Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
| | - Jacob M A van Hengst
- Bioorganic Synthesis Department, Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
| | - Marloes Bakker
- Bioorganic Synthesis Department, Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
| | - Herman S Overkleeft
- Bioorganic Synthesis Department, Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
| | - Gijsbert A van der Marel
- Bioorganic Synthesis Department, Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
| | - Jeroen D C Codée
- Bioorganic Synthesis Department, Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
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23
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Shang W, Mou ZD, Tang H, Zhang X, Liu J, Fu Z, Niu D. Site-Selective O-Arylation of Glycosides. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201710310] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Weidong Shang
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital and School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
| | - Ze-Dong Mou
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital and School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
| | - Hua Tang
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital and School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
| | - Xia Zhang
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital and School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
| | - Jie Liu
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital and School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
| | - Zhengyan Fu
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital and School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
| | - Dawen Niu
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital and School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
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24
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Shang W, Mou ZD, Tang H, Zhang X, Liu J, Fu Z, Niu D. Site-Selective O-Arylation of Glycosides. Angew Chem Int Ed Engl 2017; 57:314-318. [PMID: 29125221 DOI: 10.1002/anie.201710310] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Indexed: 02/05/2023]
Affiliation(s)
- Weidong Shang
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital and School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
| | - Ze-Dong Mou
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital and School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
| | - Hua Tang
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital and School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
| | - Xia Zhang
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital and School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
| | - Jie Liu
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital and School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
| | - Zhengyan Fu
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital and School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
| | - Dawen Niu
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital and School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
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25
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Zhang S, Niu YH, Ye XS. General Approach to Five-Membered Nitrogen Heteroaryl C-Glycosides Using a Palladium/Copper Cocatalyzed C–H Functionalization Strategy. Org Lett 2017; 19:3608-3611. [DOI: 10.1021/acs.orglett.7b01583] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Shuo Zhang
- State Key Laboratory of Natural and Biomimetic
Drugs, School of Pharmaceutical Sciences, Peking University, Xue Yuan Road No. 38, Beijing 100191, China
| | - You-Hong Niu
- State Key Laboratory of Natural and Biomimetic
Drugs, School of Pharmaceutical Sciences, Peking University, Xue Yuan Road No. 38, Beijing 100191, China
| | - Xin-Shan Ye
- State Key Laboratory of Natural and Biomimetic
Drugs, School of Pharmaceutical Sciences, Peking University, Xue Yuan Road No. 38, Beijing 100191, China
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26
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Stereoselective synthesis of d -galactal-derived N -ethoxycarbonyl aziridine, as a new, improved synthetic protocol to glycal-derived N -activated vinyl aziridines. Tetrahedron 2017. [DOI: 10.1016/j.tet.2016.12.047] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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27
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Pandey RP, Parajuli P, Chu LL, Kim SY, Sohng JK. Biosynthesis of a novel fisetin glycoside from engineered Escherichia coli. J IND ENG CHEM 2016. [DOI: 10.1016/j.jiec.2016.07.054] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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28
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Glibstrup E, Pedersen CM. Scalable Synthesis of Anomerically Pure Orthogonal-Protected GlcN3 and GalN3 from d-Glucosamine. Org Lett 2016; 18:4424-7. [DOI: 10.1021/acs.orglett.6b02241] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Emil Glibstrup
- Department of Chemistry, University of Copenhagen, Universitetsparken
5, 2100 Copenhagen
Ø, Denmark
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29
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Axelsson A, Ta L, Sundén H. Direct Highly Regioselective Functionalization of Carbohydrates: A Three-Component Reaction Combining the Dissolving and Catalytic Efficiency of Ionic Liquids. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600536] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Anton Axelsson
- Chemistry and Chemical Engineering; Chalmers University of Technology; Kemivägen 10 41296 Göteborg Sweden
| | - Linda Ta
- Chemistry and Chemical Engineering; Chalmers University of Technology; Kemivägen 10 41296 Göteborg Sweden
| | - Henrik Sundén
- Chemistry and Chemical Engineering; Chalmers University of Technology; Kemivägen 10 41296 Göteborg Sweden
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30
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Peng P, Linseis M, Winter RF, Schmidt RR. Regioselective Acylation of Diols and Triols: The Cyanide Effect. J Am Chem Soc 2016; 138:6002-9. [PMID: 27104625 DOI: 10.1021/jacs.6b02454] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Central topics of carbohydrate chemistry embrace structural modifications of carbohydrates and oligosaccharide synthesis. Both require regioselectively protected building blocks that are mainly available via indirect multistep procedures. Hence, direct protection methods targeting a specific hydroxy group are demanded. Dual hydrogen bonding will eventually differentiate between differently positioned hydroxy groups. As cyanide is capable of various kinds of hydrogen bonding and as it is a quite strong sterically nondemanding base, regioselective O-acylations should be possible at low temperatures even at sterically congested positions, thus permitting formation and also isolation of the kinetic product. Indeed, 1,2-cis-diols, having an equatorial and an axial hydroxy group, benzoyl cyanide or acetyl cyanide as an acylating agent, and DMAP as a catalyst yield at -78 °C the thermodynamically unfavorable axial O-acylation product; acyl migration is not observed under these conditions. This phenomenon was substantiated with 3,4-O-unproteced galacto- and fucopyranosides and 2,3-O-unprotected mannopyranosides. Even for 3,4,6-O-unprotected galactopyranosides as triols, axial 4-O-acylation is appreciably faster than O-acylation of the primary 6-hydroxy group. The importance of hydrogen bonding for this unusual regioselectivity could be confirmed by NMR studies and DFT calculations, which indicate favorable hydrogen bonding of cyanide to the most acidic axial hydroxy group supported by hydrogen bonding of the equatorial hydroxy group to the axial oxygen. Thus, the "cyanide effect" is due to dual hydrogen bonding of the axial hydroxy group which enhances the nucleophilicity of the respective oxygen atom, permitting an even faster reaction for diols than for mono-ols. In contrast, fluoride as a counterion favors dual hydrogen bonding to both hydroxy groups leading to equatorial O-acylation.
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Affiliation(s)
- Peng Peng
- Department of Chemistry, University of Konstanz , D-78457 Konstanz, Germany
| | - Michael Linseis
- Department of Chemistry, University of Konstanz , D-78457 Konstanz, Germany
| | - Rainer F Winter
- Department of Chemistry, University of Konstanz , D-78457 Konstanz, Germany
| | - Richard R Schmidt
- Department of Chemistry, University of Konstanz , D-78457 Konstanz, Germany
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31
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Li T, Gao X, Yang L, Shi Y, Gao Q. Methyl 6-Amino-6-deoxy-d-pyranoside-Conjugated Platinum(II) Complexes for Glucose Transporter (GLUT)-Mediated Tumor Targeting: Synthesis, Cytotoxicity, and Cellular Uptake Mechanism. ChemMedChem 2016; 11:1069-77. [DOI: 10.1002/cmdc.201600079] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Indexed: 01/28/2023]
Affiliation(s)
- Taoli Li
- Tianjin Key Laboratory for Modern Drug Delivery & High Efficiency; Collaborative Innovation Center of Chemical Science and Engineering; School of Pharmaceutical Science and Technology; Tianjin University; 92 Weijin Road, Nankai District Tianjin 300072 P.R. China
| | - Xiangqian Gao
- Tianjin Key Laboratory for Modern Drug Delivery & High Efficiency; Collaborative Innovation Center of Chemical Science and Engineering; School of Pharmaceutical Science and Technology; Tianjin University; 92 Weijin Road, Nankai District Tianjin 300072 P.R. China
| | - Liu Yang
- Department of Biochemistry; Gudui BioPharma Technology Inc.; 5 Lanyuan Road, Huayuan Industrial Park Tianjin 300384 P.R. China
| | - Yunli Shi
- Tianjin Key Laboratory for Modern Drug Delivery & High Efficiency; Collaborative Innovation Center of Chemical Science and Engineering; School of Pharmaceutical Science and Technology; Tianjin University; 92 Weijin Road, Nankai District Tianjin 300072 P.R. China
| | - Qingzhi Gao
- Tianjin Key Laboratory for Modern Drug Delivery & High Efficiency; Collaborative Innovation Center of Chemical Science and Engineering; School of Pharmaceutical Science and Technology; Tianjin University; 92 Weijin Road, Nankai District Tianjin 300072 P.R. China
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32
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Pandey RP, Parajuli P, Chu LL, Darsandhari S, Sohng JK. Biosynthesis of amino deoxy-sugar-conjugated flavonol glycosides by engineered Escherichia coli. Biochem Eng J 2015. [DOI: 10.1016/j.bej.2015.05.017] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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33
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Zhang J, Singh S, Hughes RR, Zhou M, Sunkara M, Morris AJ, Thorson JS. A simple strategy for glycosyltransferase-catalyzed aminosugar nucleotide synthesis. Chembiochem 2014; 15:647-52. [PMID: 24677528 PMCID: PMC4051237 DOI: 10.1002/cbic.201300779] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2013] [Indexed: 12/18/2022]
Abstract
A set of 2-chloro-4-nitrophenyl glucosamino-/xylosaminosides were synthesized and assessed as potential substrates in the context of glycosyltransferase-catalyzed formation of the corresponding UDP/TDP-α-D-glucosamino-/xylosaminosugars and in single-vessel model transglycosylation reactions. This study highlights a robust platform for aminosugar nucleotide synthesis and reveals OleD Loki to be a proficient catalyst for U/TDP-aminosugar synthesis and utilization
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Affiliation(s)
- Jianjun Zhang
- Dr. J. Zhang, Prof. S. Singh, R. R. Hughes, Prof. J. S. Thorson Center for Pharmaceutical Research and Innovation University of Kentucky 789 South Limestone Street, Lexington, KY 40536 (USA)
| | - Shanteri Singh
- Dr. J. Zhang, Prof. S. Singh, R. R. Hughes, Prof. J. S. Thorson Center for Pharmaceutical Research and Innovation University of Kentucky 789 South Limestone Street, Lexington, KY 40536 (USA)
| | - Ryan R. Hughes
- Dr. J. Zhang, Prof. S. Singh, R. R. Hughes, Prof. J. S. Thorson Center for Pharmaceutical Research and Innovation University of Kentucky 789 South Limestone Street, Lexington, KY 40536 (USA)
| | - Maoquan Zhou
- Dr. M. Zhou School of Pharmacy, University of Wisconsin-Madison 777 Highland Avenue, Madison, WI 53705 (USA)
| | - Manjula Sunkara
- M. Sunkara, Prof. A. J. Morris Division of Cardiovascular Medicine University of Kentucky, Lexington, KY 40536(USA)
| | - Andrew J. Morris
- M. Sunkara, Prof. A. J. Morris Division of Cardiovascular Medicine University of Kentucky, Lexington, KY 40536(USA)
| | - Jon S. Thorson
- Dr. J. Zhang, Prof. S. Singh, R. R. Hughes, Prof. J. S. Thorson Center for Pharmaceutical Research and Innovation University of Kentucky 789 South Limestone Street, Lexington, KY 40536 (USA)
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34
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Jäger M, Hartmann M, de Vries JG, Minnaard AJ. Catalytic Regioselective Oxidation of Glycosides. Angew Chem Int Ed Engl 2013; 52:7809-12. [DOI: 10.1002/anie.201301662] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2013] [Revised: 05/02/2013] [Indexed: 11/08/2022]
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35
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Jäger M, Hartmann M, de Vries JG, Minnaard AJ. Catalytic Regioselective Oxidation of Glycosides. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201301662] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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36
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Twibanire JDK, Omran RP, Grindley TB. Facile Synthesis of a Library of Lyme Disease Glycolipid Antigens. Org Lett 2012; 14:3909-11. [DOI: 10.1021/ol301697c] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jean-d’Amour K. Twibanire
- Department of Chemistry, Dalhousie University, 6274 Coburg Road, P.O. Box 15000, Halifax, NS, Canada B3H 4R2
| | - Raha Parvizi Omran
- Department of Chemistry, Dalhousie University, 6274 Coburg Road, P.O. Box 15000, Halifax, NS, Canada B3H 4R2
| | - T. Bruce Grindley
- Department of Chemistry, Dalhousie University, 6274 Coburg Road, P.O. Box 15000, Halifax, NS, Canada B3H 4R2
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37
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Graton J, Wang Z, Brossard AM, Gonçalves Monteiro D, Le Questel JY, Linclau B. An unexpected and significantly lower hydrogen-bond-donating capacity of fluorohydrins compared to nonfluorinated alcohols. Angew Chem Int Ed Engl 2012; 51:6176-80. [PMID: 22577052 PMCID: PMC3601419 DOI: 10.1002/anie.201202059] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2012] [Indexed: 11/08/2022]
Affiliation(s)
- Jérôme Graton
- CEISAM UMR CNRS 6230, Faculté des Sciences et des Techniques, Université de Nantes2, rue de la Houssinière – BP 92208, 44322 NANTES Cedex 3 (France)
| | - Zhong Wang
- Chemistry, University of SouthamptonHighfield, Southampton SO17 1BJ (UK)
| | - Anne-Marie Brossard
- CEISAM UMR CNRS 6230, Faculté des Sciences et des Techniques, Université de Nantes2, rue de la Houssinière – BP 92208, 44322 NANTES Cedex 3 (France)
| | | | - Jean-Yves Le Questel
- CEISAM UMR CNRS 6230, Faculté des Sciences et des Techniques, Université de Nantes2, rue de la Houssinière – BP 92208, 44322 NANTES Cedex 3 (France)
| | - Bruno Linclau
- Chemistry, University of SouthamptonHighfield, Southampton SO17 1BJ (UK)
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Graton J, Wang Z, Brossard AM, Gonçalves Monteiro D, Le Questel JY, Linclau B. An Unexpected and Significantly Lower Hydrogen-Bond-Donating Capacity of Fluorohydrins Compared to Nonfluorinated Alcohols. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201202059] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Boettcher S, Matwiejuk M, Thiem J. Acceptor-influenced and donor-tuned base-promoted glycosylation. Beilstein J Org Chem 2012; 8:413-20. [PMID: 22509211 PMCID: PMC3326619 DOI: 10.3762/bjoc.8.46] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2012] [Accepted: 03/06/2012] [Indexed: 12/03/2022] Open
Abstract
Base-promoted glycosylation is a recently established stereoselective and regioselective approach for the assembly of di- and oligosaccharides by using partially protected acceptors and glycosyl halide donors. Initial studies were performed on partially methylated acceptor and donor moieties as a model system in order to analyze the key principles of oxyanion reactivities. In this work, extended studies on base-promoted glycosylation are presented by using benzyl protective groups in view of preparative applications. Emphases are placed on the influence of the acceptor anomeric configuration and donor reactivities.
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Affiliation(s)
- Stephan Boettcher
- Department of Chemistry, Faculty of Science, University of Hamburg, Martin-Luther-King-Platz 6, 20146 Hamburg, Germany
| | - Martin Matwiejuk
- Glycom A/S, c/o DTU, Building 201, Anker Engelunds Vej 1, DK-2800 Kgs. Lyngby, Denmark
| | - Joachim Thiem
- Department of Chemistry, Faculty of Science, University of Hamburg, Martin-Luther-King-Platz 6, 20146 Hamburg, Germany
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40
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Matwiejuk M, Thiem J. Hydroxy Group Acidities of Partially Protected Glycopyranosides. European J Org Chem 2012. [DOI: 10.1002/ejoc.201101708] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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41
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Efficient and selective removal of chloroacetyl group promoted with tetra-n-butylammonium fluoride (TBAF). Carbohydr Res 2011; 346:2801-4. [DOI: 10.1016/j.carres.2011.09.033] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2011] [Revised: 09/26/2011] [Accepted: 09/29/2011] [Indexed: 11/22/2022]
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42
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Rönnols J, Burkhardt A, Cumpstey I, Widmalm G. pKa-Determination and Conformational Studies by NMR Spectroscopy of D-Altrose-Containing and other Pseudodisaccharides as Glycosidase Inhibitor Candidates. European J Org Chem 2011. [DOI: 10.1002/ejoc.201101385] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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43
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Kalikanda J, Li Z. Study of the stereoselectivity of 2-azido-2-deoxygalactosyl donors: relationship to the steric factors of glycosyl acceptors. Carbohydr Res 2011; 346:2380-3. [PMID: 21920509 DOI: 10.1016/j.carres.2011.08.015] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2011] [Revised: 08/08/2011] [Accepted: 08/12/2011] [Indexed: 11/24/2022]
Abstract
The stereoselectivity of a 2-azido-2-deoxygalactosyl (GalN(3)) donor is found to strongly depend on the nature of the acceptors in glycosylation reactions. The order of the acceptor, the stereochemistry, and the configuration of the monosaccharide all affect the stereochemistry outcome. More reactive acceptors are observed to favor β-products, while less reactive acceptors afford more α-products.
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