Overview

A unique overview of the most important protecting group strategies in carbohydrate chemistry Protecting Groups: Strategies and Applications in Carbohydrate Chemistry provides a detailed account of key strategies and methodologies for the protection of carbohydrates. Divided into two parts, the first focuses on groups that are used best to protect a specific position on a carbohydrate. In the second part, specific carbohydrate residues or compounds are discussed in the context of a specific protecting group strategy used to reach the desired regioisomer. This important book: -Features chapters on protecting groups at the primary and secondary positions of carbohydrates -Describes protecting group strategies towards sialic acid derivatives, glycofuranoses, sulfated glycosaminoglycans, and cyclodextrins -Provides information on automated glycan assembly -Includes a chapter on the industrial scale synthesis of heparin analogs Written by a team of leaders in the field, Protecting Groups: Strategies and Applications in Carbohydrate Chemistry is an indispensable guide for academics and industrial researchers interested in carbohydrate and natural product synthesis, pharmaceutical chemistry, and biochemistry.

Full Product Details

Author:   Sebastien Vidal
Publisher:   Wiley-VCH Verlag GmbH
Imprint:   Blackwell Verlag GmbH
Dimensions:   Width: 17.80cm , Height: 2.80cm , Length: 25.20cm
Weight:   1.157kg
ISBN:  

9783527340101

ISBN 10:   3527340106
Pages:   528
Publication Date:   09 January 2019
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Hardback
Publisher's Status:   Active
Availability:   To order  
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Table of Contents

Foreword xvii Preface xix 1 Protecting Group Strategies in Carbohydrate Chemistry 1 Anne G. Volbeda, Gijs A. van der Marel, and Jeroen D. C. Codée 1.1 Discriminating Different Functionalities on a Carbohydrate Ring 1 1.2 Strategies for an (Oligo)saccharide Synthesis Campaign 5 1.3 Reactivity and Stereochemistry 7 1.4 Protecting Groups in Automated Synthesis 14 1.5 Summary and Outlook 20 Abbreviations 23 References 24 2 Protecting Groups at the Primary Position of Carbohydrates 29 Marion Donnier‐Maréchal, Sébastien Vidal, and Michele Fiore 2.1 Introduction 29 2.2 Selective Primary Hydroxyl Group Protection 30 2.3 Selective Primary Hydroxyl Group Deprotection 45 2.4 Regioselective Transformations at the Primary Position 53 2.5 Summary and Conclusions 59 2.6 Experimental Section 59 Abbreviations 60 References 61 3 Protecting Groups at the Secondary Positions of Carbohydrates 69 Sébastien Vidal and Peter G. Goekjian 3.1 Introduction 69 3.2 The Major Protecting Group Motifs 72 3.3 Conclusion 95 3.4 Experimental Section 95 Abbreviations 96 References 97 4 Regioselective Protection at the Secondary Positions of Carbohydrates with Acyclic Protecting Groups 109 Peter G. Goekjian and Sébastien Vidal 4.1 Introduction 109 4.2 Regioselective Protections at the 2‐Position 110 4.3 Regioselective Protections at the 3‐Position 122 4.4 Regioselective Protections at the 4‐Position 130 4.5 Regioselective bis‐Protection of the 2,6‐, 3,6‐, and 4,6‐Positions of Hexopyranoside Tetraols 130 4.6 Regioselective Mono‐deprotection of Peracetyl and Perbenzyl Monosaccharides 134 4.7 Summary and Conclusions 135 4.8 Experimental Section 136 Abbreviations 137 References 138 5 Protecting Groups at the Anomeric Position of Carbohydrates 145 Chadamas Sakonsinsiri and W. Bruce Turnbull 5.1 Introduction 145 5.2 O‐alkyl and O‐aryl Glycosides 146 5.3 Glycosyl Esters 151 5.4 Cyclic Acetals, Ketals, and Orthoesters 155 5.5 Silyl Ethers 157 5.6 S‐glycosyl and N‐glycosyl Derivatives 158 5.7 Concluding Remarks 162 5.8 Example Experimental Procedures 164 Abbreviations 165 References 166 6 N‐protecting Groups for 2‐Amino‐2‐deoxy‐glycosides 169 Sébastien Vidal 6.1 Introduction 169 6.2 N‐acyl‐based Protecting Groups 171 6.3 Imido‐based Protecting Groups 175 6.4 Carbamate‐based Protecting Groups 179 6.5 Imine‐ or Enamine‐based Protecting Groups 185 6.6 2‐Deoxy‐2‐azido Derivatives as a Protecting Group 187 6.7 From Glycals to 2‐Azido Intermediates 188 6.8 From Glycals to 2‐Sulfonamido Intermediates 190 6.9 Summary and Conclusions 191 6.10 Experimental Section 191 Abbreviations 192 References 193 7 One‐pot Multistep Regioselective Protection of Carbohydrates Catalyzed by Acids 201 Jean‐Marie Beau, Yann Bourdreux, Guillaume Despras, Alexandra Gouasmat, Géraldine San Jose, Dominique Urban, and Boris Vauzeilles 7.1 Introduction 201 7.2 Examples of Early Developments of the One‐pot Multistep Regioselective Hydroxyl Protection of Carbohydrates 202 7.3 One‐pot Multistep Methods from Silylated Substrates 204 7.4 One‐pot Multistep Methods Catalyzed by Copper Triflate on Unprotected Sugars 216 7.5 Other One‐pot Multistep Methods Catalyzed by Acids 216 7.6 Conclusions and Outlook 220 7.7 Experimental Procedures 220 Acknowledgments 221 Abbreviations 222 References 222 8 Acyl Migrations in Carbohydrate Chemistry 227 Filip S. Ekholm and Reko Leino 8.1 Introduction 227 8.2 Mechanism and Migration Kinetics 228 8.3 Acyl Group Migration – Synthetic Applications 230 8.4 Summary and Conclusions 238 8.5 Selected Experimental Procedures 239 Abbreviations 239 References 240 9 De Novo Asymmetric Synthesis of Oligosaccharides Using Atom‐less Protecting Groups 243 Debarpita Ray and George A. O’Doherty 9.1 Introduction 243 9.2 Atom‐less Protecting Groups 244 9.3 De Novo Approach to Carbohydrates 244 9.4 O’Doherty Approach to Carbohydrates 246 9.5 Conclusion 273 9.6 Experimentals [3] 273 Abbreviations 278 References 279 10 Protecting Group Strategies for Sialic Acid Derivatives 283 Harsha Amarasekara, Szymon Buda, Appi R. Mandhapati, and David Crich 10.1 Introduction 283 10.2 Protection of the Carboxylate Group 283 10.3 Protection of Amine Function 289 10.4 Selective Protection of Alcohols 294 10.5 Access to Protected Sialic Acid Derivatives by Total Synthesis 301 10.6 Access to Protected Sialic Acid Derivatives by Chemoenzymatic Synthesis 301 10.7 Preparation of Methyl (methyl 5‐acetamido‐3,5‐dideoxy‐dglycero‐β‐d‐galacto‐non‐2‐ulopyranosid)onate [20, 22, 104] 301 Abbreviations 302 References 302 11 Strategies Toward Protection of 1,2‐ and 1,3‐Diols in Carbohydrate Chemistry 307 Marie Schuler and Arnaud Tatibouët 11.1 Introduction 307 11.2 Protection as Cyclic Acetals 307 11.3 Protection as Orthoesters 320 11.4 Silylene Acetals as Protecting Groups 324 11.5 Cyclic Carbonate 327 11.6 Summary and Conclusions 329 11.7 Experimental Part: Procedure for Regioselective and Reductive Benzylidene Opening Synthesis of Methyl 2,3,4‐Tri‐O‐benzyl‐α‐d‐glucopyranoside 329 Abbreviations 329 References 330 12 Protecting Group Strategies Toward Glycofuranoses 337 Vincent Ferrières, Laurent Legentil, and Loïc Lemiègre 12.1 Introduction 337 12.2 What About Chemistry Without Protecting Groups? 338 12.3 Protecting Group Interconversion 353 12.4 Multistep Synthesis of Some Furanosyl‐containing Glycosides and Conjugates 358 12.5 The Striking Ring Contraction Strategy 362 12.6 Conclusion Strategy for Synthesizing 4‐Amino‐4‐deoxy and 4‐Deoxy‐4‐thio‐aldose Derivatives 364 Abbreviations 364 References 366 13 Cyclodextrin Chemistry via Selective Protecting Group Manipulations 371 Juan M. Benito and José M. García Fernández 13.1 Introduction 371 13.2 Per‐O‐protection of Cyclodextrins 373 13.3 Face‐selective Differentiation: Primary vs Secondary Hydroxyl Protection 374 13.4 Single Hydroxyl Protection Strategies 379 13.5 Concerted Protection of Hydroxyl Sets (Pairs or Triads) 381 13.6 Regioselective Deprotection of Symmetric Cyclodextrins 384 13.7 Summary and Conclusions 388 13.8 Experimental Procedures 388 Abbreviations 389 References 390 14 Protecting Group Strategies Toward Sulfated Glycosaminoglycans 395 Hélène Ledru, Pascal Matton, Jean‐Maurice Mallet, and Chrystel Lopin‐Bon 14.1 Introduction 395 14.2 O‐ and N‐sulfation in Glycosaminoglycan Glycosaminoglycans Synthesis 397 14.3 Protecting Group Strategies for the Synthesis of Sulfated Oligosaccharides of the Proteoglycans Linkage Region 397 14.4 Protecting Group Strategy for the Synthesis of Chondroitin Sulfate 403 14.5 Protecting Groups in Heparin and HS Synthesis 415 14.6 Summary and Conclusions 419 14.7 Experimental Part: Procedure for Regioselective 6‐O‐benzoylation Followed by 4‐Sulfation, an Example of the Synthesis of Disaccharide 31 [18] 419 Abbreviations 420 References 421 15 Applications of Fluorous and Ionic Liquid Tags in Oligosaccharide Synthesis 423 Imke Sittel and M. Carmen Galan 15.1 Introduction 423 15.2 Fluorous Supports 424 15.3 Ionic Liquid Supports 436 15.4 Conclusions 447 Abbreviations 447 References 448 16 Orthogonally Protected Building Blocks for Automated Glycan Assembly 451 Fabian Pfrengle and Peter H. Seeberger 16.1 Introduction 451 16.2 Protecting Groups 452 16.3 General Strategy for the Design of Orthogonally Protected Building Blocks 460 16.4 “Approved Building Blocks” for Automated Glycan Assembly 461 16.5 Solid‐phase Syntheses of Mammalian, Microbial, and Plant Oligosaccharides 464 16.6 Chances, Challenges, and Commercialization of Automated Glycan Assembly 467 Abbreviations 469 References 470 17 Kilogram‐scale Production of Synthetic Heparin Analogs: Some Chemical Considerations 473 Patrick Trouilleux, Pierre Potier, and Pierre‐Alexandre Driguez 17.1 Introduction 473 17.2 Kilogram Synthesis of Heparin Building Blocks 474 17.3 Experimental Section 487 17.4 Summary and Conclusions 489 Abbreviations 489 References 490 Index 493

Reviews

?Protecting Groups: Strategies and Applications in Carbohydrate Chemistry draws together several decades of advances in selectively protecting specific positions of carbohydrates and then takes a fresh look at this area from the perspective of synthetic strategies. (?) Throughout the book, the authors present useful examples of reliable experimental methods for introduction and removal of the most important protecting groups. (?) It is therefore highly suitable for newcomers to the field and for experienced glycochemists or glycobiologists who would like to expand their knowledge of this challenging field. In short, this is a book that should occupy the shelves of every practicing and aspiring carbohydrate chemist.? Carolyn R. Bertozzi in Angew. Chem. Int. Ed. 2019, 58, 2

?Protecting Groups: Strategies and Applications in Carbohydrate Chemistry draws together several decades of advances in selectively protecting specific positions of carbohydrates and then takes a fresh look at this area from the perspective of synthetic strategies. (?) Throughout the book, the authors present useful examples of reliable experimental methods for introduction and removal of the most important protecting groups. (?) It is therefore highly suitable for newcomers to the field and for experienced glycochemists or glycobiologists who would like to expand their knowledge of this challenging field. In short, this is a book that should occupy the shelves of every practicing and aspiring carbohydrate chemist.? Carolyn R. Bertozzi in Angew. Chem. Int. Ed. 2019, 58, 2

Author Information

Sébastien Vidal, PhD, holds a CNRS position at the University of Lyon, France. His main area of research is the design of glycoclusters for anti-adhesive strategy against bacterial infections and enzyme inhibitors targeting glycogen phosphorylase with applications in type-2 diabetes. In 2014, he was given the young investigator award ""Prix du Groupe Français des Glycosciences"".

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