Sp2 Carbon-Hydrogen Bond (C-H) Functionalization

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ISBN 13 :
Total Pages : 226 pages
Book Rating : 4.:/5 (769 download)

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Book Synopsis Sp2 Carbon-Hydrogen Bond (C-H) Functionalization by : Sirilata Yotphan

Download or read book Sp2 Carbon-Hydrogen Bond (C-H) Functionalization written by Sirilata Yotphan and published by . This book was released on 2010 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract sp2 Carbon-Hydrogen Bond (C-H) Functionalization by Sirilata Yotphan Doctor of Philosophy in Chemistry University of California, Berkeley Professor Robert G. Bergman, Chair Chapter 1. A review of the Bergman/Ellman group literature on rhodium-catalyzed direct sp2 C-H bond functionalization reactions is presented. In addition, some well-known late transition-metal catalyzed sp2 C-H bond functionalization reactions are described. These synthetic methods have valuable applications for organic chemistry and enable access to a number of interesting organic compounds and derivatives. These examples highlight the importance of this type of transformation and provide the background from which the results described in Chapters 2-5 may be viewed. Chapter 2. Bridgehead bicyclic unsaturated enamines were prepared by a tandem rhodium-catalyzed C-H bond activation/alkenylation/electrocyclization of alkyne-tethered unsaturated imines. These strained bicyclic enamines exhibit unique reactivity: for example, they lead to N-alkylated products upon treatment with alkylating reagents and undergo double bond isomerization to alleviate ring strain upon reduction. Chapter 3. An efficient method is reported for the preparation of multicyclic pyridines and quinolines by a rhodium-catalyzed intramolecular C-H bond functionalization process. The method shows good scope for branched and unbranched alkyl substituents on the pyridine ring and at the R position of the tethered alkene group. Starting materials capable of undergoing olefin isomerization to provide terminal 1,1-disubstituted alkenes also proved to be effective substrates. Chapter 4. A method for the direct arylation of benzotriazepines is reported, employing an aryl iodide as the coupling partner, copper iodide as the catalyst, and lithium tert-butoxide as the base. A variety of electron-rich, electron-poor, and sterically hindered aryl iodides are compatible with the reaction conditions. The arylation reaction can also be performed outside a glovebox in air without a significant decrease in yield. Furthermore, convenient microwave conditions for carrying out this transformation are reported. Chapter 5. The reaction of isopropyl Grignard reagent and 3-bromoquinoline leads to formation of interesting 3,4-disubstituted quinoline products in significant yields. This transformation was extensively studied for 3-bromoquinoline as the substrate, isopropyl magnesium chloride as the nucleophile, and a Brønsted acid or 3-bromopropene as electrophiles. A brief survey of this transformation, identification of the reaction limitations, and a suggested mechanism are reported in this Chapter.

Remote C-H Bond Functionalizations

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Author :
Publisher : John Wiley & Sons
ISBN 13 : 3527346678
Total Pages : 450 pages
Book Rating : 4.5/5 (273 download)

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Book Synopsis Remote C-H Bond Functionalizations by : Debabrata Maiti

Download or read book Remote C-H Bond Functionalizations written by Debabrata Maiti and published by John Wiley & Sons. This book was released on 2021-04-26 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt: A guide to contemporary advancements in the field of distal C-H functionalizations An important and dynamic topic within the modern field of organic synthesis, selective functionalization of C-H bonds can be used in a variety of applications across the pharmaceutical and agrochemical industries. Remote C-H Bond Functionalizations presents an inclusive account of the most recent developments and potential applications of performing variegated functionalizations selectively at the distal positions of organic compounds. Featuring contributions by an international team of experts, this authoritative volume provides deep insight into distal functionalizations, including detailed discussion of mechanisms, the engineering of templates, and the design of strategies. The text covers a diverse range of topics including C-H functionalization of palladium/norbornene catalysis, ruthenium-catalyzed remote functionalization, the non-directed distal C(sp2)-H, functionalization, transition metal catalyzed distal para-selective C-H functionalization, and much more. Reviewing contemporary advancements in the field while laying the foundation for future research, this important resource: Provides the most recent research and thorough coverage of the subject available in a single volume Offers practical information on C-H functionalizations in various industries Includes an up-to-date introduction to distal C-H functionalizations Remote C-H Bond Functionalizations is a must-read for every synthetic chemist, including chemists working with organometallics, organic chemists and researchers, and industrial chemists.

C-H Bond Activation and Catalytic Functionalization I

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Publisher : Springer
ISBN 13 : 3319246305
Total Pages : 269 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis C-H Bond Activation and Catalytic Functionalization I by : Pierre H. Dixneuf

Download or read book C-H Bond Activation and Catalytic Functionalization I written by Pierre H. Dixneuf and published by Springer. This book was released on 2015-12-18 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt: The series Topics in Organometallic Chemistry presents critical overviews of research results in organometallic chemistry. As our understanding of organometallic structure, properties and mechanisms increases, new ways are opened for the design of organometallic compounds and reactions tailored to the needs of such diverse areas as organic synthesis, medical research, biology and materials science. Thus the scope of coverage includes a broad range of topics of pure and applied organometallic chemistry, where new breakthroughs are being achieved that are of significance to a larger scientific audience. The individual volumes of Topics in Organometallic Chemistry are thematic. Review articles are generally invited by the volume editors. All chapters from Topics in Organometallic Chemistry are published OnlineFirst with an individual DOI. In references, Topics in Organometallic Chemistry is abbreviated as Top Organomet Chem and cited as a journal.

C-H Activation for Asymmetric Synthesis

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Publisher : John Wiley & Sons
ISBN 13 : 3527343407
Total Pages : 294 pages
Book Rating : 4.5/5 (273 download)

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Book Synopsis C-H Activation for Asymmetric Synthesis by : Françoise Colobert

Download or read book C-H Activation for Asymmetric Synthesis written by Françoise Colobert and published by John Wiley & Sons. This book was released on 2019-11-11 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides, in one handbook, comprehensive coverage of one of the hottest topics in stereoselective chemistry Written by leading international authors in the field, this book introduces readers to C-H activation in asymmetric synthesis along with all of its facets. It presents stereoselective C-H functionalization with a broad coverage, from outer-sphere to inner-sphere C-H bond activation, and from the control of olefin geometry to the induction of point, planar and axial chirality. Moreover, methods wherein asymmetry is introduced either during the C-H activation or in a different elementary step are discussed. Presented in two parts?asymmetric activation of C(sp3)-H bonds and stereoselective synthesis implying activation of C(sp2)-H bonds?CH-Activation for Asymmetric Synthesis showcases the diversity of stereogenic elements, which can now be constructed by C-H activation methods. Chapters in Part 1 cover: C(sp3)-H bond insertion by metal carbenoids and nitrenoids; stereoselective C-C bond and C-N bond forming reactions through C(sp3)?H bond insertion of metal nitrenoids; enantioselective intra- and intermolecular couplings; and more. Part 2 looks at: C-H activation involved in stereodiscriminant step; planar chirality; diastereoselective formation of alkenes through C(sp2)?H bond activation; amongst other methods. -Covers one of the most rapidly developing fields in organic synthesis and catalysis -Clearly structured in two parts (activation of sp3- and activation of sp2-H bonds) -Edited by two leading experts in C-H activation in asymmetric synthesis CH-Activation for Asymmetric Synthesis will be of high interest to chemists in academia, as well as those in the pharmaceutical and agrochemical industry.

Sustainable C(sp3)-H Bond Functionalization

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Publisher : Springer
ISBN 13 : 3662494965
Total Pages : 91 pages
Book Rating : 4.6/5 (624 download)

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Book Synopsis Sustainable C(sp3)-H Bond Functionalization by : Jin Xie

Download or read book Sustainable C(sp3)-H Bond Functionalization written by Jin Xie and published by Springer. This book was released on 2016-02-29 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights major achievements made in the last five years concerning sustainable C(sp3)-H bond functionalization and offers a promising and emerging tool-kit for organic synthesis. The book is divided into three chapters demonstrating key advances in C(sp3)-H bond functionalization. Chapter 1 reviews transition-metal-catalyzed C(sp3)-H bond functionalization using different directing groups, while Chapter 2 addresses the new methods of transition-metal-catalyzed and metal-free C(sp3)-H bond functionalization without directing groups, in addition to briefly highlighting redox-neutral C(sp3)-H bond functionalization. In closing, Chapter 3 examines visible-light photoredox catalysis, an emerging and highly sustainable C(sp3)-H bond functionalization strategy. The book offers an intriguing and useful reference guide for a broad readership working and/or interested in the fields of organic, organometallic, and green chemistry.

Transition-Metal-Catalyzed C-H Functionalization of Heterocycles, 2 Volumes

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Publisher : John Wiley & Sons
ISBN 13 : 1119774152
Total Pages : 1209 pages
Book Rating : 4.1/5 (197 download)

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Book Synopsis Transition-Metal-Catalyzed C-H Functionalization of Heterocycles, 2 Volumes by : Tharmalingam Punniyamurthy

Download or read book Transition-Metal-Catalyzed C-H Functionalization of Heterocycles, 2 Volumes written by Tharmalingam Punniyamurthy and published by John Wiley & Sons. This book was released on 2023-03-28 with total page 1209 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transition-Metal-Catalyzed C-H Functionalization of Heterocycles A comprehensive guide to recent advances in this field Constituting the majority of all known compounds, heterocycles are structures that incorporate one or more heteroatoms within their core, thus exhibiting properties that are quite different from their all-carbon analogs. They are fundamental to all fields of chemistry and, therefore, their synthesis and modification has attracted a great deal of attention in the recent years. In this vein, transition-metal-catalyzed C-H bond functionalization forms a crucial tool for generating and analyzing heterocyclic compounds. Transition-Metal-Catalyzed C-H Functionalization of Heterocycles, Two-Volume Set, showcases diverse C-H functionalization methodologies and their incorporation into the latest research. The chapters serve as an essential tool depicting detailed site-selective functionalization of heterocyclic cores, along with a comprehensive discussion on their mechanistic approaches. Readers of Transition-Metal-Catalyzed C-H Functionalization of Heterocycles, Two-Volume-Set will also find: A detailed introduction to C-H activation along with the mechanistic aspects of transition-metal-catalyzed C-H bond activation reactions Easy-to-use structures with each chapter dedicated to a type of heterocycle and its specific functionalization methodologies A leading team of international authors in C-H bond functionalization Transition-Metal-Catalyzed C-H Functionalization of Heterocycles, Two-Volume-Set is a valuable guide for students and researchers in organic synthesis and process development, in both academic and industrial contexts.

Transition Metal-catalyzed Functionalization of Carbon-hydrogen Bonds in Alkenes

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Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (14 download)

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Book Synopsis Transition Metal-catalyzed Functionalization of Carbon-hydrogen Bonds in Alkenes by : Xiaolin Qian

Download or read book Transition Metal-catalyzed Functionalization of Carbon-hydrogen Bonds in Alkenes written by Xiaolin Qian and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Alkenes can undergo a variety of chemical reactions to form more complex molecules with a range of functional groups. This makes them useful starting materials for synthesizing a wide range of organic compounds. Chapter I provided an overview of the development history of alkenyl C8́2H bond activation. The early reactions of C8́2H compounds with metal complexes, as well as stoichiometric activation of the transition metal-activated C-H bond, were discussed. Then the first successful and efficient organometallic-catalyzed transformations of a C8́2H bond, the first transition metal-catalyzed vinylic C-H functionalization, and the first transition metal-catalyzed olefinic C-H functionalization under mild conditions were demonstrated. Finally, enantioselective vinylic C-H functionalization was discussed. In Chapter II, a method for enantioselective vinylic C(sp2)8́2H bond activation using a Ru(II) catalyst and a chiral transient directing group was developed. Chiral amine was also utilized to control the Z/E stereoselectivity. The method demonstrated a broad substrate scope with good yield, high Z/E ratio stereoselectivity, and excellent enantioselectivity. Its synthetic utility was demonstrated by the synthesis of key structural motifs of particularly useful natural products and pharmaceutical compounds. Additionally, a rare vinylic C8́2H bond activated ruthenic complex was isolated and determined by single-crystal X-ray diffraction. The methodology suggested in this work is expected to facilitate the further development of asymmetric vinylic C8́2H functionalization reactions. In Chapter III, a practical and efficient methodology for Ru(II)-catalyzed enantioselective alkenyl C-H bond functionalization of indole-substituted acrylaldehyde derivatives via the chiral transient directing group (CTDG) strategy to obtain optically active pyrrolo[1,2-a]indole derivatives was suggested. The methodology resulted in a series of optically active products with good yields (up to 80%), good stereoselectivity (up to 25.0:1 Z/E), and excellent enantioselectivity (up to 95% ee). Furthermore, synthetic transformations were explored. Chapter IV presented the first demonstration of a sequentially composed catalytic substitution reaction of alkenes for building multi-amido methylated derivatives while reserving the Ï0- components. The process involved a simple Fe (III)-catalyst and bisamidomethane reagent, which directly and selectively transformed Îł-substituted styrenes into several biologically and pharmaceutically relevant N-heterocycles through tandem processes.

Arene Chemistry

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Publisher : John Wiley & Sons
ISBN 13 : 1118754980
Total Pages : 992 pages
Book Rating : 4.1/5 (187 download)

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Book Synopsis Arene Chemistry by : Jacques Mortier

Download or read book Arene Chemistry written by Jacques Mortier and published by John Wiley & Sons. This book was released on 2015-11-30 with total page 992 pages. Available in PDF, EPUB and Kindle. Book excerpt: Organized to enable students and synthetic chemists to understand and expand on aromatic reactions covered in foundation courses, the book offers a thorough and accessible mechanistic explanation of aromatic reactions involving arene compounds. • Surveys methods used for preparing arene compounds and their transformations • Connects reactivity and methodology with mechanism • Helps readers apply aromatic reactions in a practical context by designing syntheses • Provides essential information about techniques used to determine reaction mechanisms

Organotransition Metal Chemistry: From Bonding to Catalysis

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Publisher :
ISBN 13 :
Total Pages : 1172 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Organotransition Metal Chemistry: From Bonding to Catalysis by : John F. Hartwig

Download or read book Organotransition Metal Chemistry: From Bonding to Catalysis written by John F. Hartwig and published by . This book was released on 2010-02-10 with total page 1172 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on Collman et al.'s best-selling classic book, Principles and Applications of Organotransition Metal Chemistry, Hartwig's text consists of new or thoroughly updated and restructured chapters and provides an in-depth view into mechanism, reaction scope, and applications. It covers the most important developments in the field over the last twenty years with great clarity with a selective, but thorough and authoritative coverage of the fundamentals of organometallic chemistry, the elementary reactions of these complexes, and many catalytic processes occurring through organometallic intermediates, making this the Organotransition Metal Chemistry text for a new generation of scientists.

C-H Activation for Asymmetric Synthesis

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Publisher : John Wiley & Sons
ISBN 13 : 3527810846
Total Pages : 240 pages
Book Rating : 4.5/5 (278 download)

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Book Synopsis C-H Activation for Asymmetric Synthesis by : Françoise Colobert

Download or read book C-H Activation for Asymmetric Synthesis written by Françoise Colobert and published by John Wiley & Sons. This book was released on 2019-08-29 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides, in one handbook, comprehensive coverage of one of the hottest topics in stereoselective chemistry Written by leading international authors in the field, this book introduces readers to C-H activation in asymmetric synthesis along with all of its facets. It presents stereoselective C-H functionalization with a broad coverage, from outer-sphere to inner-sphere C-H bond activation, and from the control of olefin geometry to the induction of point, planar and axial chirality. Moreover, methods wherein asymmetry is introduced either during the C-H activation or in a different elementary step are discussed. Presented in two parts?asymmetric activation of C(sp3)-H bonds and stereoselective synthesis implying activation of C(sp2)-H bonds?CH-Activation for Asymmetric Synthesis showcases the diversity of stereogenic elements, which can now be constructed by C-H activation methods. Chapters in Part 1 cover: C(sp3)-H bond insertion by metal carbenoids and nitrenoids; stereoselective C-C bond and C-N bond forming reactions through C(sp3)?H bond insertion of metal nitrenoids; enantioselective intra- and intermolecular couplings; and more. Part 2 looks at: C-H activation involved in stereodiscriminant step; planar chirality; diastereoselective formation of alkenes through C(sp2)?H bond activation; amongst other methods. -Covers one of the most rapidly developing fields in organic synthesis and catalysis -Clearly structured in two parts (activation of sp3- and activation of sp2-H bonds) -Edited by two leading experts in C-H activation in asymmetric synthesis CH-Activation for Asymmetric Synthesis will be of high interest to chemists in academia, as well as those in the pharmaceutical and agrochemical industry.

Activation and Functionalization of C-H Bonds

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Publisher : ACS Symposium
ISBN 13 : 9780841238497
Total Pages : 0 pages
Book Rating : 4.2/5 (384 download)

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Book Synopsis Activation and Functionalization of C-H Bonds by : Karen I. Goldberg

Download or read book Activation and Functionalization of C-H Bonds written by Karen I. Goldberg and published by ACS Symposium. This book was released on 2004 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Activation and Functionalization of C-H Bonds explores recent developments in the reaction chemistry of solution-phase transition-metal based systems with simple hydrocarbons and with more complex organic molecules. More than 20 internationally leading research groups contributed to this volume, and their chapters cover such topics as fundamental theoretical and mechanistic studies of C-H bond activation by metal complexes, catalytic systems for alkane functionalization, and new applications in synthetic organic chemistry. An introductory chapter offers an overview of stoichiometric and catalytic reactions of C-H bonds with transition metal complexes. The C-H bond is the most widespread linkage in organic chemistry, present in virtually every organic molecule. Unfortunately, C-H bonds are famously resistant to selective chemical transformations. The development of methods for their selective transformations has enormous potential value in fields ranging from the chemistry of fuels (for example, the conversion of methane to methanol) to the synthesis of the most complex organic molecules.

The Mizoroki-Heck Reaction

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Publisher : John Wiley & Sons
ISBN 13 : 9780470716069
Total Pages : 608 pages
Book Rating : 4.7/5 (16 download)

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Book Synopsis The Mizoroki-Heck Reaction by : Martin Oestreich

Download or read book The Mizoroki-Heck Reaction written by Martin Oestreich and published by John Wiley & Sons. This book was released on 2009-02-11 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt: Exploring the importance of Richard F. Heck’s carbon coupling reaction, this book highlights the subject of the 2010 Nobel Prize in Chemistry for palladium-catalyzed cross couplings in organic synthesis, and includes a foreword from Nobel Prize winner Richard F. Heck. The Mizoroki-Heck reaction is a palladium-catalyzed carbon–carbon bond forming process which is widely used in organic and organometallic synthesis. It has seen increasing use in the past decade as chemists look for strategies enabling the controlled construction of complex carbon skeletons. The Mizoroki-Heck Reaction is the first dedicated volume on this important reaction, including topics on: mechanisms of the Mizoroki-Heck reaction intermolecular Mizoroki-Heck reactions focus on regioselectivity and product outcome in organic synthesis waste-minimized Mizoroki-Heck reactions intramolecular Mizoroki-Heck reactions formation of heterocycles chelation-controlled Mizoroki-Heck reactions the Mizoroki-Heck reaction in domino processes oxidative heck-type reactions (Fujiwara-Moritani reactions) Mizoroki-Heck reactions with metals other than palladium ligand design for intermolecular asymmetric Mizoroki-Heck reactions intramolecular enantioselective Mizoroki-Heck reactions desymmetrizing Mizoroki-Heck reactions applications in combinatorial and solid phase syntheses, and the development of modern solvent systems and reaction techniques the asymmetric intramolecular Mizoroki-Heck reaction in natural product total synthesis Several chapters are devoted to asymmetric Heck reactions with particular focus on the construction of otherwise difficult-to-obtain sterically congested tertiary and quaternary carbons. Industrial and academic applications are highlighted in the final section. The Mizoroki-Heck Reaction will find a place on the bookshelves of any organic or organometallic chemist. “I am convinced that this book will rapidly become the most important reference text for research chemists in academia and industry who seek orientation in the rapidly growing and – for the layman – confusing field described as the “’Mizoroki–Heck reaction’.” (Synthesis, March 2010)

Transition Metal Activation and Functionalization of Carbon-hydrogen Bonds

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Publisher :
ISBN 13 :
Total Pages : 37 pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Transition Metal Activation and Functionalization of Carbon-hydrogen Bonds by :

Download or read book Transition Metal Activation and Functionalization of Carbon-hydrogen Bonds written by and published by . This book was released on 1992 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt: We are investigating the fundamental thermodynamic and kinetic factors that influence carbon-hydrogen bond activation at homogeneous transition metal centers and the conversion of hydrocarbons into functionalized products of potential use to the chemical industry. Advances have been made in both understanding the interactions of hydrocarbons with metals and in the functionalization of hydrocarbons. We have found that RhCl(PR3)2(CNR) complexes can catalyze the insertion of isonitriles into the C-H bonds or arenes upon photolysis. The mechanism of these reactions was found to proceed by way of initial phosphine dissociation, followed by C-H activation and isonitrile insertion. We have also examined reactions of a series of arenes with (C5Me5)Rh(PMe3)PhH and begun to map out the kinetic and thermodynamic preferences for arene coordination. The effects of resonance, specifically the differences in the Hueckel energies of the bound vs free ligand, are now believed to fully control the C-H activation/?2-coordination equilibria. We have begun to examine the reactions of rhodium isonitrile pyrazolylborates for alkane and arene C-H bond activation. A new, labile, carbodiimide precursor has been developed for these studies. We have completed studies of the reactions of (C5Me5)Rh(PMe3)H2 with D2 and PMe3 that indicate that both?5 2!?3 ring slippage and metal to ring hydride migration occur more facilely than thermal reductive elimination of H2. We have examined the reactions of heterocycles with (C5Me5)Rh(PMe3)PhH and found that pyrrole and furan undergo C-H or N-H activation. Thiophene, however, undergoes C-S bond oxidative addition, and the mechanism of activation has been shown to proceed through sulfur coordination prior to C-S insertion.

C-H Bond Activation and Catalytic Functionalization II

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Author :
Publisher : Springer
ISBN 13 : 3319293192
Total Pages : 213 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis C-H Bond Activation and Catalytic Functionalization II by : Pierre H. Dixneuf

Download or read book C-H Bond Activation and Catalytic Functionalization II written by Pierre H. Dixneuf and published by Springer. This book was released on 2016-03-10 with total page 213 pages. Available in PDF, EPUB and Kindle. Book excerpt: The series Topics in Organometallic Chemistry presents critical overviews of research results in organometallic chemistry. As our understanding of organometallic structure, properties and mechanisms increases, new ways are opened for the design of organometallic compounds and reactions tailored to the needs of such diverse areas as organic synthesis, medical research, biology and materials science. Thus the scope of coverage includes a broad range of topics of pure and applied organometallic chemistry, where new breakthroughs are being achieved that are of significance to a larger scientific audience. The individual volumes of Topics in Organometallic Chemistry are thematic. Review articles are generally invited by the volume editors. All chapters from Topics in Organometallic Chemistry are published OnlineFirst with an individual DOI. In references, Topics in Organometallic Chemistry is abbreviated as Top Organomet Chem and cited as a journal.

Transition Metal Activation and Functionalization of Carbon-hydrogen Bonds . Progress Report, December 1, 1992--November 30, 1993

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (685 download)

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Book Synopsis Transition Metal Activation and Functionalization of Carbon-hydrogen Bonds . Progress Report, December 1, 1992--November 30, 1993 by :

Download or read book Transition Metal Activation and Functionalization of Carbon-hydrogen Bonds . Progress Report, December 1, 1992--November 30, 1993 written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A method was developed for synthesizing a new complex for studying C-H activation, (HBPz*[sub 3])Rh(CNCH[sub 2]CMe[sub 3])(PhN=C=NCH[sub 2]CMe[sub 3]). This complex loses the carbodiimide ligand, thereby serving as a precursor for a 16-electron Rh(I) fragment which activates (via oxidative addition) a wide range of aromatic and aliphatic C-H bonds. Mechanism of activation of benzene by this fragment was studied. Reaction of [Tp'Rh(CNR)] fragment with aliphatic hydrocarbons was also studied. A study of C-H bond activation by the complex MnH[sub 3](dmpe)[sub 2] was completed. Reactions of [Ru(dmpe)[sub 2]] with several small molecules were also investigated. Effects of fluorine substituents on aromatic ring on C-H activation were looked at. Studies of [eta][sup 2]-arene coordination with [(C[sub 5]Me[sub 5])Rh(PMe[sub 3])] were completed; studies of reaction of this complex with 1,3-disubstituted benzenes are in progress.

Aromatic C(sp2)−H Dehydrogenative Coupling Reactions

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Publisher : CRC Press
ISBN 13 : 1000733912
Total Pages : 290 pages
Book Rating : 4.0/5 (7 download)

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Book Synopsis Aromatic C(sp2)−H Dehydrogenative Coupling Reactions by : Bagher Eftekhari-Sis

Download or read book Aromatic C(sp2)−H Dehydrogenative Coupling Reactions written by Bagher Eftekhari-Sis and published by CRC Press. This book was released on 2019-10-31 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive text covers the research and development trends in the growing field of aromatic C–H dehydrogenative coupling reactions, leading to different types of heterocycles. The author provides answers to how these coupling reactions occur, what kinds of heterocycles are synthesized, and what their advantages are. The palladium-, rhodium-, iridium-, copper-, cobalt-, ruthenium-, and ferric-catalyzed aromatic C(sp2)–H dehydrogenative cross-coupling reactions are described in detail. A useful reference source for researchers and graduates in the field of heterocyclic chemistry and transition-metal-catalyzed dehydrogenative coupling reactions. Features: Comprehensive volume on the synthesis of benzo-heterocycles via aromatic C(sp2)–H bond activation. Heterocycles are of paramount importance to medicinal chemistry and drug discovery. Provides a comprehensive literature survey on the construction of heterocycles. Reaction procedures and mechanistic explanations are included, which will appeal to those in fine chemicals and pharmaceutical companies.

Metal Free C-H Functionalization of Aromatics

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Publisher : Springer
ISBN 13 : 3319070193
Total Pages : 289 pages
Book Rating : 4.3/5 (19 download)

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Book Synopsis Metal Free C-H Functionalization of Aromatics by : Valery Charushin

Download or read book Metal Free C-H Functionalization of Aromatics written by Valery Charushin and published by Springer. This book was released on 2014-09-03 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: The series Topics in Heterocyclic Chemistry presents critical reviews on present and future trends in the research of heterocyclic compounds. Overall the scope is to cover topics dealing with all areas within heterocyclic chemistry, both experimental and theoretical, of interest to the general heterocyclic chemistry community. The series consists of topic related volumes edited by renowned editors with contributions of experts in the field.