The asymmetric intramolecular Heck reaction in natural product total synthesis.
About: This article is published in Chemical Reviews.The article was published on 2003-07-08. It has received 1247 citations till now. The article focuses on the topics: Heck reaction & Total synthesis.
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TL;DR: In this Review, highlights of a number of selected syntheses are discussed, demonstrating the enormous power of these processes in the art of total synthesis and underscore their future potential in chemical synthesis.
Abstract: In studying the evolution of organic chemistry and grasping its essence, one comes quickly to the conclusion that no other type of reaction plays as large a role in shaping this domain of science than carbon-carbon bond-forming reactions. The Grignard, Diels-Alder, and Wittig reactions are but three prominent examples of such processes, and are among those which have undeniably exercised decisive roles in the last century in the emergence of chemical synthesis as we know it today. In the last quarter of the 20th century, a new family of carbon-carbon bond-forming reactions based on transition-metal catalysts evolved as powerful tools in synthesis. Among them, the palladium-catalyzed cross-coupling reactions are the most prominent. In this Review, highlights of a number of selected syntheses are discussed. The examples chosen demonstrate the enormous power of these processes in the art of total synthesis and underscore their future potential in chemical synthesis.
2,268 citations
TL;DR: This Review attempts to trace the historical origin of these powerful reactions, and outline the developments from the seminal discoveries leading to their eminent position as appreciated and applied today.
Abstract: In 2010, Richard Heck, Ei-ichi Negishi, and Akira Suzuki joined the prestigious circle of Nobel Laureate chemists for their roles in discovering and developing highly practical methodologies for C-C bond construction. From their original contributions in the early 1970s the landscape of the strategies and methods of organic synthesis irreversibly changed for the modern chemist, both in academia and in industry. In this Review, we attempt to trace the historical origin of these powerful reactions, and outline the developments from the seminal discoveries leading to their eminent position as appreciated and applied today.
2,148 citations
1,777 citations
TL;DR: The power of cascade reactions in total synthesis is illustrated in the construction of complex molecules and underscore their future potential in chemical synthesis.
Abstract: The design and implementation of cascade reactions is a challenging facet of organic chemistry, yet one that can impart striking novelty, elegance, and efficiency to synthetic strategies. The application of cascade reactions to natural products synthesis represents a particularly demanding task, but the results can be both stunning and instructive. This Review highlights selected examples of cascade reactions in total synthesis, with particular emphasis on recent applications therein. The examples discussed herein illustrate the power of these processes in the construction of complex molecules and underscore their future potential in chemical synthesis.
1,762 citations
TL;DR: This critical review discusses historical and contemporary research in the field of transition metal-catalyzed carbon-hydrogen (C-H) bond activation through the lens of stereoselectivity, placing an emphasis on reactions that are (or may soon become) relevant in the realm of organic synthesis.
Abstract: This critical review discusses historical and contemporary research in the field of transition metal-catalyzed carbon–hydrogen (C–H) bond activation through the lens of stereoselectivity. Research concerning both diastereoselectivity and enantioselectivity in C–H activation processes is examined, and the application of concepts in this area for the development of novel carbon–carbon and carbon–heteroatom bond-forming reactions is described. Throughout this review, an emphasis is placed on reactions that are (or may soon become) relevant in the realm of organic synthesis (221 references).
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25 Aug 2004
TL;DR: In this paper, the authors present an approach to the formation of C-X (X = N, O, S) bonds in metal-catalyzed cross-coupling reactions.
Abstract: Preface.List of Contributors.1 Mechanistic Aspects of Metal-Catalyzed C,C- and C,X-Bond-Forming Reactions (Antonio M. Echavarren and Diego J. Cardenas).1.1 Mechanisms of Cross-Coupling Reactions.1.2 Formation of C,C-Bonds in the Palladium-Catalyzed alpha-Arylation of Carbonyl Compounds and Nitriles.1.3 Key Intermediates in the Formation of C-X (X = N, O, S) bonds in Metal-Catalyzed Reactions 251.3.1 Reductive Elimination of C-N, C-O, and C-S Bonds From Organopalladium(II) Complexes.1.4 Summary and Outlook.Abbreviations.References.2 Metal-Catalyzed Cross-Coupling Reactions of Organoboron Compounds with Organic Halides (Norio Miyaura).2.1 Introduction.2.2 Advances in the Synthesis of Organoboron Compounds.2.3 Reaction Mechanism.2.4 Reaction Conditions.2.5 Side Reactions.2.6 Reactions of B-Alkyl Compounds.2.7 Reactions of B-Alkenyl Compounds.2.8 Reactions of B-Aryl Compounds.2.9 Reactions of B-Allyl and B-Alkynyl Compounds.2.10 Reactions Giving Ketones.2.11 Dimerization of Arylboronic Acids.2.12 N-, O-, and S-Arylation.Abbreviations.References.3 Organotin Reagents in Cross-Coupling Reactions (Terence N. Mitchell).3.1 Introduction.3.2 Mechanism and Methodology.3.3 Natural Product Synthesis.3.4 Organic Synthesis.3.5 Polymer Chemistry.3.6 Inorganic Synthesis.3.7 Conclusions.3.8 Experimental Procedures.Abbreviations.References.4 Organosilicon Compounds in Cross-Coupling Reactions (Scott E. Denmark and Ramzi F. Sweis).4.1 Introduction.4.2 Modern Organosilicon-Cross-Coupling.4.3 Mechanistic Studies in Silicon-Cross-Coupling.4.4 Applications to Total Synthesis.4.5 Summary and Outlook.4.6 Experimental Procedures.Abbreviations.References.5 Cross-Coupling of Organyl Halides with Alkenes: The Heck Reaction (Stefan Brase and Armin de Meijere).5.1 Introduction.5.2 Principles.5.3 Cascade Reactions and Multiple Couplings.5.4 Related Palladium-Catalyzed Reactions.5.5 Enantioselective Heck-Type Reactions.5.6 Syntheses of Heterocycles, Natural Products and Other Biologically Active Compounds Applying Heck Reactions.5.7 Carbopalladation Reactions in Solid-Phase Syntheses.5.8 The Heck Reaction in Fine Chemicals Syntheses.5.9 Conclusions.5.10 Experimental Procedures.Acknowledgments.Abbreviations and Acronyms.References.6 Cross-Coupling Reactions to sp Carbon Atoms (Jeremiah A. Marsden and Michael M. Haley).6.1 Introduction.6.2 Alkynylcopper Reagents.6.3 Alkynyltin Reagents.6.4 Alkynylzinc Reagents.6.5 Alkynylboron Reagents.6.6 Alkynylsilicon Reagents.6.7 Alkynylmagnesium Reagents.6.8 Other Alkynylmetals.6.9 Concluding Remarks.6.10 Experimental Procedures.Acknowledgments.Abbreviations and Acronyms.References.7 Carbometallation Reactions (Ilan Marek, Nicka Chinkov, and Daniella Banon-Tenne).7.1 Introduction.7.2 Carbometallation Reactions of Alkynes.7.3 Carbometallation Reactions of Alkenes.7.4 Zinc-Enolate Carbometallation Reactions.7.5 Carbometallation Reactions of Dienes and Enynes.7.6 Carbometallation Reactions of Allenes.7.7 Conclusions.7.8 Experimental Procedures.Acknowledgments.References.8 Palladium-Catalyzed 1,4-Additions to Conjugated Dienes (Jan-E. Backvall).8.1 Introduction.8.2 Palladium(0)-Catalyzed Reactions.8.3 Palladium(II)-Catalyzed Reactions.References.9 Cross-Coupling Reactions via PI-Allylmetal Intermediates (Uli Kazmaier and Matthias Pohlman)9.1 Introduction.9.2 Palladium-Catalyzed Allylic Alkylations.9.3 Allylic Alkylations with Other Transition Metals.9.4 Experimental Procedures.Abbreviations.References.10 Palladium-Catalyzed Coupling Reactions of Propargyl Compounds (Jiro Tsuji and Tadakatsu Mandai).10.1 Introduction.10.2 Classification of Pd-Catalyzed Coupling Reactions of Propargyl Compounds.10.3 Reactions with Insertion into the sp2 Carbon Bond of Allenylpalladium Intermediates (Type I).10.4 Transformations via Transmetallation of Allenylpalladium Intermediates and Related Reactions (Type II).10.5 Reactions with Attack of Soft Carbon and Oxo Nucleophiles on the sp-Carbon of Allenylpalladium Intermediates (Type III).10.6 Experimental Procedures.Abbreviations.References.11 Carbon-Carbon Bond-Forming Reactions Mediated by Organozinc Reagents (Paul Knochel, M. Isabel Calaza, and Eike Hupe).11.1 Introduction.11.2 Methods of Preparation of Zinc Organometallics.11.3 Uncatalyzed Cross-Coupling Reactions.11.4 Copper-Catalyzed Cross-Coupling Reactions.11.5 Transition Metal-Catalyzed Cross-Coupling Reactions.11.6 Conclusions.11.7 Experimental Procedures.Abbreviations.References.12 Carbon-Carbon Bond-Forming Reactions Mediated by Organomagnesium Reagents (Paul Knochel, Ioannis Sapountzis, and Nina Gommermann).12.1 Introduction.12.2 Preparation of Polyfunctionalized Organomagnesium Reagents via a Halogen-Magnesium Exchange.12.3 Conclusions.12.4 Experimental Procedures.References.13 Palladium-Catalyzed Aromatic Carbon-Nitrogen Bond Formation (Lei Jiang and Stephen L. Buchwald).13.1 Introduction.13.2 Mechanistic Studies.13.3 General Features.13.4 Palladium-Catalyzed C-N Bond Formation.13.5 Vinylation.13.6 Amination On Solid Support.13.7 Conclusion.13.8 Representative Experimental Procedures.References.14 The Directed ortho-Metallation (DoM) Cross-Coupling Nexus. Synthetic Methodology for the Formation of Aryl-Aryl and Aryl-Heteroatom-Aryl Bonds (Eric J.-G. Anctil and Victor Snieckus).14.1 Introduction.14.2 The Aim of this Chapter.14.3 Synthetic Methodology derived from the DoM-Cross-Coupling Nexus.14.4 Applications of DoM in Synthesis.14.5 Conclusions and Prognosis.14.6 Selected Experimental Procedures.Abbreviations.References and Notes.15 Palladium- or Nickel-Catalyzed Cross-Coupling with Organometals Containing Zinc, Aluminum, and Zirconium: The Negishi Coupling (Ei-ichi Negishi, Xingzhong Zeng, Ze Tan, Mingxing Qian, Qian Hu, and Zhihong Huang).15.1 Introduction and General Discussion of Changeable Parameters.15.2 Recent Developments in the Negishi Coupling and Related Pd- or Ni-Catalyzed Cross-Coupling Reactions.15.3 Summary and Conclusions.15.4 Representative Experimental Procedures.References.Index.
4,387 citations
TL;DR: s, or keywords if they used Heck-type chemistry in their syntheses, because it became one of basic tools of organic preparations, a natural way to make organic preparations.
Abstract: s, or keywords if they used Heck-type chemistry in their syntheses, because it became one of basic tools of organic preparations, a natural way to
3,373 citations
Book•
13 Aug 1993
TL;DR: Asymmetric Hydrogenation (T. Ohkuma, et al. as discussed by the authors ), asymmetric carbon-Carbon Bond-Forming Reactions (K. Nozaki & I. Negishi). Asymmetric Addition and Insertion Reactions of Catalytically-Generated Metal Carbenes (M. O'Donnell), and asymptotic phase-transfer Reactions.
Abstract: Asymmetric Hydrogenation (T. Ohkuma, et al.). Asymmetric Hydrosilylation and Related Reactions (H. Nishiyama & K. Itoh). Asymmetric Isomerization of Allylamines (S. Akutagawa, et al.). Asymmetric Carbometallations (E. Negishi). Asymmetric Addition and Insertion Reactions of Catalytically-Generated Metal Carbenes (M. Doyle). Asymmetric Oxidations and Related Reactions (R. Johnson, et al.). Asymmetric Carbonylations (K. Nozaki & I. Ojima). Asymmetric Carbon-Carbon Bond-Forming Reactions (K. Maruoka, et al.). Asymmetric Amplification and Autocatalysis (K. Soai & T. Shibata). Asymmetric Phase-Transfer Reactions (M. O'Donnell). Asymmetric Polymerization (Y. Okamoto & T. Nakano). Epilogue. Appendix. Index.
2,758 citations
1,832 citations
1,120 citations