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Viser: Donor-Acceptor Cyclopropanes in Organic Synthesis

Donor-Acceptor Cyclopropanes in Organic Synthesis, 1. udgave
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Donor-Acceptor Cyclopropanes in Organic Synthesis Vital Source e-bog

Prabal Banerjee
John Wiley & Sons
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Donor-Acceptor Cyclopropanes in Organic Synthesis

Donor-Acceptor Cyclopropanes in Organic Synthesis

Prabal Banerjee og Akkattu T. Biju
Sprog: Engelsk
John Wiley & Sons, Limited
1.824,00 kr.
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Detaljer om varen

  • 1. Udgave
  • Vital Source searchable e-book (Reflowable pages)
  • Udgiver: John Wiley & Sons (Februar 2024)
  • ISBN: 9783527835645
Donor-Acceptor Cyclopropanes in Organic Synthesis

Facilitate milder, simpler reactions in organic synthesis with this cutting-edge family of building blocks

Donor-Accepted Cyclopropanes, or DACs, have attracted a resurgence of interest from organic chemists in recent decades for their role in facilitating various reactions such as cycloadditions, annulations, ring-opening and enantioselective transformations. The structural arrangement of DACs leads to milder, simpler reaction conditions, which have made them indispensable for a range of fundamentally and industrially important processes.

Donor-Acceptor Cyclopropanes in Organic Synthesis covers comprehensively the chemistry and applications of this compound class. The result is an invaluable guide for any researcher looking to bring DACs to bear in their own areas of research or development.

Readers will also find:

  • A brief introduction of the history and reactivity of DACs
  • Detailed discussion of reactions including Lewis acid-catalyzed cycloadditions, metal-free activation, asymmetric transformations, organocatalysis, and many more
  • Application of DACs in natural product synthesis and pharmaceutical/agrochemical research

Donor-Acceptor Cyclopropanes in Organic Synthesis is ideal for organic chemists, experts in catalysis, pharmaceutical researchers, and any other scientists interested in facilitating milder, simpler reactions.

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Detaljer om varen

  • Hardback: 464 sider
  • Udgiver: John Wiley & Sons, Limited (Marts 2024)
  • Forfattere: Prabal Banerjee og Akkattu T. Biju
  • ISBN: 9783527349876
Doner-Acceptor Cyclopropanes (DACs) play an essential role in organic reactions and belong to the toolbox of synthetic chemistry. This book covers comprehensively the chemistry and applications of this compound class and is indispensable for every scientist working in this area.
Preface xiii 1 Introduction to the Chemistry of Donor-Acceptor Cyclopropanes: A Historical and Personal Perspective 1 Hans-Ulrich Reissig
1.1 Introduction 1
1.2 My Personal Entry to Donor-Acceptor Cyclopropanes 3
1.3 A Few Principles of the Chemistry of Donor-Acceptor Cyclopropanes 6
1.4 Remarks Regarding the Terminology Applied to the Use of Donor-Acceptor Cyclopropanes 10
1.5 Conclusions 12 Abbreviations 12 References 13 2 Understanding the Reactivity of Donor-Acceptor Cyclopropanes: Structural and Electronic Analysis 15 Anu Jacob, Gwyndaf A. Oliver, and Daniel B. Werz
2.1 Introduction 15
2.2 Activated Cyclopropanes 17
2.3 Donor-Acceptor Cyclopropanes (DACs) 19
2.4 Computational and Kinetic Investigations 22
2.5 Concluding Remarks 32 References 32 3 Cycloaddition and Annulation Reactions of Donor-Acceptor Cyclopropanes 37 Roman A. Novikov, Denis D. Borisov, and Yury V. Tomilov
3.1 Introduction 37
3.2 Formal [3+2]-Cycloaddition with Carbon-Carbon Multiple Bonds 39
3.2.1 General Aspects 39
3.2.2 Formal [3+2]-Cycloaddition with C=C Double Bond 40
3.2.3 Formal [3+2]-Cycloaddition with Triple Câ?¡C Bond 50
3.2.4 [3+2]-Annulation with Aromatic C=C Bond 53
3.2.5 [3+2]-Annulation of D-A Cyclopropanes Involving Aryl/Heteroaryl Donor Substituent 57
3.3 Formal [3+2]-Cycloaddition with C=O and C=N Double Bond 59
3.3.1 Formal [3+2]-Cycloaddition with C=O Double Bond 59
3.3.2 Formal [3+2]-Cycloaddition with C=N Double Bond 66
3.4 Formal [3+2]-Cycloaddition with Other Heteroatom X=Y Double Bonds 73
3.4.1 Formal [3+2]-Cycloaddition with Cumulenes and Heterocumulenes 73
3.4.2 Formal [3+2]-Cycloaddition with SCN and SeCN 76
3.4.3 Formal [3+2]-Cycloaddition with C=S and C=Se Double Bonds 77
3.4.4 Formal [3+2]-Cycloaddition with N=O and N=N Double Bonds 78
3.4.5 Formal [3+2]-Cycloaddition with Câ?¡N Triple Bonds in Nitriles 80
3.4.6 Formal [3+2]-Cycloaddition and Other Reactions with Three-Membered Heterocycles 80
3.5 Formal [3+3]-Cycloaddition and Annulation Reactions of D-A Cyclopropanes 83
3.5.1 General Aspects 83
3.5.2 [3+3]-Annulation with Aromatic Substrates as 1,3-Synthons 84
3.5.3 [3+3]-Annulation with Allenes, Allyl, and Propargyl Derivatives 87
3.5.4 [3+3]-Annulation with Mercaptoacetaldehyde 88
3.5.5 [3+3]-Cycloaddition with Nitrones and Nitronates 89
3.5.6 [3+3]-Annulation/Cycloaddition with Dinitrogen Substrates 93
3.5.7 Formal [3+3]-Cycloaddition with Azides and Diazo Compounds 94
3.6 Reactions of Formal [4+3]-Cycloaddition and Annulation with Diene and Heterodiene Systems 96
3.6.1 Dienes as Traps for 1,3-Zwitterions 97
3.6.2 Reactions of [4+3]-Cyclization with Heterodiene Systems and Their Analogs 99
3.7 Other Formal [n+m]-Cycloaddition and Annulation Processes 102
3.7.1 Formal [8+3]-Cycloaddition Reactions 102
3.7.2 Other Formal Stepwise "High-Order" Cycloaddition/Annulation Reactions 103
3.7.3 Formal [3+1]- and [3+1+1]-Cycloadditions 105
3.7.4 Cycloaddition/Annulation Reactions Proceed via Generation of β-Styrylmalonates 106
3.7.5 GaCl 3 -Mediated Cycloaddition/Annulation Reactions via Generation of 1,2-Zwitterionic Intermediates 109
3.8 Cyclodimerization Reactions of D-A Cyclopropanes 112
3.9 Miscellaneous Reactions, Stepwise Cyclization Reactions, Cyclizations with Involvement of Functional Groups 118
3.9.1 Stepwise Cyclization Using Substrates with Two Nitrogen Atoms 118
3.9.2 Some Other Cascade and Miscellaneous Formal Cycloaddition Reactions for Cyclopropanedicarboxylates 119
3.9.3 Formal Cycloaddition and Cyclization Reactions for 2-Aryl D-A Cyclopropanes Containing Active Substituent in Ortho-Position 122
3.9.4 Cyclization Reactions of D-A Cyclopropanes with Additional CHO Group in Donor
Part 123
3.9.5 Miscellaneous Cyclizations with Phenols and Nitrogen-Containing Heterocycles 124
3.9.6 Some Cyclization Reactions of 1,1-Dicyano Cyclopropanes 125
3.9.7 Miscellaneous Cyclizations with Sulfur Reagents 126
3.9.8 Cyclizations of Cyclopropanes Containing Carbonyl Group as an Acceptor with Amine Reagents 127
3.9.9 Miscellaneous Reactions 128 References 129 4 Activation of Donor-Acceptor Cyclopropanes under Covalent Organocatalysis: Enamine, Iminium, NHC, Phosphine and Tertiary Amine Catalysis 139 Efraim Reyes, Liher Prieto, Luisa Carrillo, Uxue Uria, and Jose L. Vicario
4.1 Introduction 139
4.2 Secondary Amine Catalysis: Enamine Activation 141
4.3 Secondary Amine Catalysis: Iminium Ion Activation 144
4.4 NHC Catalysis: Activation Through Breslow Intermediates 148
4.5 Phosphine or Tertiary Amine Catalysis 157
4.6 Conclusion 162 References 162 5 Ring-Opening 1,3-Bisfunctionalization of Donor-Acceptor Cyclopropanes 167 Avishek Guin and Akkattu T. Biju
5.1 Introduction 168
5.2 Enantioselective 1,3-Dichlorination of Formyl Group-Containing Cyclopropanes 168
5.3 Ring-Opening 1,3-Dichlorination of D-A Cyclopropanes 169
5.4 1,3-Chlorochalcogenation of Cyclopropyl Carbaldehydes 170
5.5 1,3-Bisfunctionalization of D-A Cyclopropanes with Arenes and Nitrosoarenes 172
5.6 1-Amino-3-Aminomethylation of D-A Cyclopropanes 173
5.7 1,3-Halochalcogenation of D-A Cyclopropanes 174
5.8 1,3-Aminobromination of D-A Cyclopropanes 175
5.9 Reaction of D-A Cyclopropanes with 4,5-Diazaspiro[2.4] hept-4-enes 176
5.10 Four-Component Coupling of D-A Cyclopropanes 177
5.11 1,3-Aminochalcogenation of Donor-Acceptor Cyclopropanes 178
5.12 1,3-Bisfunctionalization of Donor-Acceptor Containing Cyclopropyl Boronic Ester 178
5.13 1,3-Halogenation-Peroxidation of D-A Cyclopropanes 178
5.14 1,3-Aminothiolation of D-A Cyclopropanes Using Sulfenamides 180
5.15 1,3-Bisarylation of D-A Cyclopropanes with Electron-Rich Arenes and Hypervalent Arylbismuth Reagents 181
5.16 Conversion of D-A Cyclopropanes to β-Hydroxy Ketones 182
5.17 1,3-Carbothiolation of D-A Cyclopropanes 183
5.18 1,3-Haloamination of D-A Cyclopropanes Employing Copper Salt and N-Fluorobenzenesulfonimide 184
5.19 Ring-Opening 1,3-Carbocarbonation of D-A Cyclopropanes 185
5.20 1,3-Aminofunctionalization of D-A Cyclopropanes 187
5.21 Conclusion 188 References 188 6 Molecular Rearrangements in Donor-Acceptor Cyclopropanes 191 Igor V. Trushkov and Olga A. Ivanova
6.1 Introduction 191
6.2 Donor-Acceptor Cyclopropane Isomerizations to Alkenes (Cyclopropane-Propene Rearrangement) 192
6.3 Vinylcyclopropane-Cyclopentene Rearrangement 197
6.4 Cloke-Wilson Rearrangement and Related Processes 202
6.4.1 Rearrangement of Acyl-substituted Cyclopropanes to 2,3-dihydrofurans 202
6.4.2 The Cloke-Wilson Rearrangements Affording Pyrrole Derivatives 208
6.4.3 The Related Rearrangements Affording Other Heterocycles 209
6.5 Nazarov Reaction and its Homo-Version 210
6.6 The Cope Rearrangement and Related Isomerizations of Donor- Acceptor Cyclopropanes 215
6.7 Intramolecular Nucleophilic Ring Opening/Ring Closure and Related Processes 218 References 221 7 Donor-Acceptor Cyclopropanes with an Amino Group as Donor 227 Ming-Ming Wang and Jerome Waser
7.1 Introduction 227
7.2 Synthesis of DA Aminocyclopropanes 229
7.2.1 Synthesis of DA Aminocyclopropanes from β-Dehydroamino Acids (Route A) 231
7.2.2 Synthesis of DA Aminocyclopropanes from Enamines (Route B) 231
7.2.3 Synthesis of DA Aminocyclopropanes from Acrylates (Route C) 233
7.2.4 Synthesis of DA Aminocyclopropanes from Cyclopropene (Route D1) 233
7.2.5 Synthesis of DA Aminocyclopropanes from 2-Haloethylidene Malonates (Route D2) 233
7.2.6 Synthesis of DA Aminocyclopropanes from Cyclopropylamines (Route E) 234
7.3 Ring-Opening Reactions of DA Aminocyclopropanes 235
7.3.1 Intramolecular Ring-Opening of DA Aminocyclopropanes 236
7.3.2 Intermolecular Ring-Opening of DA Aminocyclopropanes 240
7.4 Formal Cycloaddition of DA Aminocyclopropanes 244
7.5 Conclusion 250 Abbreviations 250 References 251 8 Reactivity of Cyclopropyl Monocarbonyls 255 Pankaj Kumar, Irshad Maajid Taily, Priyanka Singh, and Prabal Banerjee
8.1 Introduction 255
8.2 Associated Challenges 256
8.2.1 Reduced Reactivity 256
8.2.2 Diastereomers and Controlled Reactivity 257
8.3 Perks of Having a Monocarbonyl Substituent on Cyclopropane 258
8.3.1 DAC Monocarbonyls-- Not Merely a Three-Carbon Synthon 258
8.3.2 Two Nucleophilic and Two Electrophilic Sites 258
8.3.3 Cyclopropane Mono-Carbonyls in Organocatalysis 259
8.4 Methods for the Preparation of Cyclopropyl Monocarbonyls 260
8.4.1 From Olefins 260 Corey-Chaykovsky Reaction 260 Hydroformylation of Cyclopropenes 261 Ozonolysis of Vinyl Cyclopropanes 261
8.4.2 From Homoaldol Adducts 261
8.4.3 From Arylthio Cyclopropyl Carbaldehydes 262
8.4.4 From Diazo Compounds 262
8.4.5 From 1,2-Dicarbonyl Compounds 263
8.5 Cyclopropyl Monocarbonyls in Important Heterocyclic Synthesis 264
8.5.1 Metal Catalyzed Annulation Reactions of Cyclopropyl Monocarbonyls 264
8.5.2 Ring Expansion and Ring-Opening Reactions of Cyclopropyl Monocarbonyls 267
8.6 Application in Total Syn
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