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Pincer And Chelate N Heterocyclic Carbene Complexes Of Iridium Palladium And Rhodium
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Book Synopsis Pincer and Chelate N-heterocyclic Carbene Complexes of Iridium, Palladium, and Rhodium by : John Ronald Miecznikowski
Download or read book Pincer and Chelate N-heterocyclic Carbene Complexes of Iridium, Palladium, and Rhodium written by John Ronald Miecznikowski and published by . This book was released on 2004 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rhodium and Iridium Complexes Supported by Chelating Bis-N-heterocyclic Carbene Ligands by : Roxy Joanne Lowry
Download or read book Rhodium and Iridium Complexes Supported by Chelating Bis-N-heterocyclic Carbene Ligands written by Roxy Joanne Lowry and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: ABSTRACT: Eighty-five percent of all industrial chemical processes occur catalytically. The world's expanding appetite for mass production of exotic chemicals necessitates the design and application of enhanced catalysts. To optimize catalytic materials, the detailed relationships between catalyst architecture and reactivity must be determined. Although for many ligand families these relationships are well understood, novel catalysts require in depth empirical investigation to determine these connections. The design of a novel di-N-heterocyclic carbene family of ligands in reported herein. These C2 symmetric ligands are based on the rigid 9,10-dihydro-9,10-ethanoanthracene backbone and designed for utilization in chiral catalysis. Thorough investigation into the relationships between the ligand's structure and the architecture of the resulting rhodium and iridium catalysts directed the design of three generations of our novel ligand family. The first generation, trans-1,1'-[9,10-dihydro-9,10-ethanoanthracene-11,12- diyldimethanediyl]bis(benzylimidazole) bis(triflouromethansulfonate) [DEAM-BI](OTf)2 (2-1), is too flexible to enforce a rigid chiral pocket about a metal center under catalytic conditions. The constrained second generation ligands, trans-1,1'-(9,10-dihydro-9,10-ethanoanthracene.
Book Synopsis The Chemistry of Pincer Compounds by : David Morales-Morales
Download or read book The Chemistry of Pincer Compounds written by David Morales-Morales and published by Elsevier. This book was released on 2011-08-11 with total page 467 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pincer complexes are formed by the binding of a chemical structure to a metal atom with at least one carbon-metal bond. Usually the metal atom has three bonds to a chemical backbone, enclosing the atom like a pincer. The resulting structure protects the metal atom and gives it unique properties.The last decade has witnessed the continuous growth in the development of pincer complexes. These species have passed from being curiosity compounds to chemical chameleons able to perform a wide variety of applications. Their unique metal bound structures provide some of the most active catalysts yet known for organic transformations involving the activation of bonds. The Chemistry of Pincer Compounds details use of pincer compounds including homogeneous catalysis, enantioselective organic transformations, the activation of strong bonds, the biological importance of pincer compounds as potential therapeutic or pharmaceutical agents, dendrimeric and supported materials. * Describes the chemistry and applications of this important class of organometallic and coordination compounds* Covers the areas in which pincer complexes have had an impact* Includes information on more recent and interesting pincer compounds not just those that are well-known
Book Synopsis Pincer Compounds by : David Morales-Morales
Download or read book Pincer Compounds written by David Morales-Morales and published by Elsevier. This book was released on 2018-04-11 with total page 756 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pincer Compounds: Chemistry and Applications offers valuable state-of-the-art coverage highlighting highly active areas of research—from mechanistic work to synthesis and characterization. The book focuses on small molecule activation chemistry (particularly H2 and hydrogenation), earth abundant metals (such as Fe), actinides, carbene-pincers, chiral catalysis, and alternative solvent usage. The book covers the current state of the field, featuring chapters from renowned contributors, covering four continents and ranging from still-active pioneers to new names emerging as creative strong contributors to this fascinating and promising area. Over a decade since the publication of Morales-Morales and Jensen’s The Chemistry of Pincer Compounds (Elsevier 2007), research in this unique area has flourished, finding a plethora of applications in almost every single branch of chemistry—from their traditional application as very robust and active catalysts all the way to potential biological and pharmaceutical applications. Describes the chemistry and applications of this important class of organometallic and coordination compounds Includes contributions from global leaders in the field, featuring pioneers in the area as well as emerging experts conducting exciting research on pincer complexes Highlights areas of promising and active research, including small molecule activation, earth abundant metals, and actinide chemistry
Book Synopsis N-heterocyclic Carbene Ligands in Palladium and Iridium Organometallic Chemistry by : Olivier Diebolt
Download or read book N-heterocyclic Carbene Ligands in Palladium and Iridium Organometallic Chemistry written by Olivier Diebolt and published by . This book was released on 2010 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis N-Heterocyclic Carbenes in Synthesis by : Steven P. Nolan
Download or read book N-Heterocyclic Carbenes in Synthesis written by Steven P. Nolan and published by John Wiley & Sons. This book was released on 2006-10-27 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: This first handbook to focus solely on the application of N-heterocyclic carbenes in synthesis covers metathesis, organocatalysis, oxidation and asymmetric reactions, along with experimental procedures. Written by leading international experts this is a valuable and practical source for every organic chemist.
Book Synopsis Advances in Organometallic Chemistry by : Pedro J. Perez
Download or read book Advances in Organometallic Chemistry written by Pedro J. Perez and published by Academic Press. This book was released on 2020-03-17 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Organometallic Chemistry, Volume 73, the latest release in this longstanding serial, is known for its comprehensive coverage of topics in organometallic synthesis, reactions, mechanisms, homogeneous catalysis, and more. It is ideal for a wide range of researchers involved in organometallic chemistry, including synthetic protocols, mechanistic studies and practical applications. Specific chapters in this new release include Metal carbonyl promoted multicomponent coupling of alkyne for synthesis of heterocyclic compounds, Group 10 metal(0) complexes stabilized by phosphorus and carbon donor ligands, Synthesis of Nitrogen-containing Molecules via Transition Metal-Catalyzed Reactions on Isoxazoles, Anthraniils and Benzoisoxazoles, and more. Contains contributions from leading authorities in the field of organometallic chemistry Covers topics in organometallic synthesis, reactions, mechanisms, homogeneous catalysis, and more Informs and updates readers on the latest developments in the field Carefully edited to provide easy-to-read material
Book Synopsis CO2 Hydrogenation Catalysis by : Yuichiro Himeda
Download or read book CO2 Hydrogenation Catalysis written by Yuichiro Himeda and published by John Wiley & Sons. This book was released on 2021-06-28 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: A guide to the effective catalysts and latest advances in CO2 conversion in chemicals and fuels Carbon dioxide hydrogenation is one of the most promising and economic techniques to utilize CO2 emissions to produce value-added chemicals. With contributions from an international team of experts on the topic, CO2 Hydrogenation Catalysis offers a comprehensive review of the most recent developments in the catalytic hydrogenation of carbon dioxide to formic acid/formate, methanol, methane, and C2+ products. The book explores the electroreduction of carbon dioxide and contains an overview on hydrogen production from formic acid and methanol. With a practical review of the advances and challenges in future CO2 hydrogenation research, the book provides an important guide for researchers in academia and industry working in the field of catalysis, organometallic chemistry, green and sustainable chemistry, as well as energy conversion and storage. This important book: Offers a unique review of effective catalysts and the latest advances in CO2 conversion Explores how to utilize CO2 emissions to produce value-added chemicals and fuels such as methanol, olefins, gasoline, aromatics Includes the latest research in homogeneous and heterogeneous catalysis as well as electrocatalysis Highlights advances and challenges for future investigation Written for chemists, catalytic chemists, electrochemists, chemists in industry, and chemical engineers, CO2 Hydrogenation Catalysis offers a comprehensive resource to understanding how CO2 emissions can create value-added chemicals.
Book Synopsis N-Heterocyclic and Mesoionic Carbene Complexes of Rhodium and Palladium by :
Download or read book N-Heterocyclic and Mesoionic Carbene Complexes of Rhodium and Palladium written by and published by . This book was released on 2015 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dimeric rhodium N-heterocyclic carbene (NHC) complexes [Rh(NHC)(C2H4)Cl]2 react with a variety of other neutral donors to form heteroleptic complexes [(L)Rh(NHC)(C2H4)Cl] (L = phosphine, pyridine) or [(L)Rh(NHC)Cl] (L = 2,2'-bipyridine (bipy), 1,10-phenanthroline (phen)). The reactivity of the resulting complexes towards O2 was investigated. In particular, [(bipy)Rh(NHC)Cl] and [(phen)Rh(NHC)Cl] resulted in RhIII peroxo complexes. In contrast, [Rh(NHC)2(O2)Cl] display particularly short O-O bond lengths and are described as singlet oxygen species. Interestingly, the mode in which O2 binds is associated with the coordination number about the transition metal complex, which is related to its reducing power. [Rh(IPr)(C2H4)Cl]2 reacts with phenyl pyridine derivatives at room temperature resulting in formal C-H activations. Upon the treatment of phenyl pyridine with pinacol borane (HBPin) in the presence of a weak base and a catalytic amount of [Rh(IPr)(C2H4)Cl]2, C-H borylated products were obtained in high yield and selectivity. The borylated products can then be used as substrates in the palladium catalyzed Suzuki-Miyaura cross coupling with aryl halides. 1,2,3-Triazole mesoionic carbene (tMIC) ligands were generated upon treatment of corresponding triazolium salts with strong bases, and can be trapped in the presence of a transition metal. The synthesis of Ag-tMIC complexes proceeds by a facile and mild route upon treatment of the triazolium salt with Ag2O. The resulting Ag-tMIC complexes undergo facile transmetallation to both Pd and Rh under very mild conditions resulting in air and moisture stable metal complexes. Triazolium salts can further be metallated to Pd in the presence of weak bases, and the resulting Pd-tMIC complexes are active catalysts in the Mizoroki-Heck reaction with aryl iodides. Benzylic trifluoromethyl sulfones are competent electrophilic substrates in palladium catalyzed cross coupling reactions, resulting in the formation of triarylmethanes in high yields under mild conditions. These substrates are conveniently synthesized and are highly reactive starting materials with phenyl boronic acids in the presence of a Pd-NHC catalyst. The structure of the Pd-NHC precatalyst is crucial, as only [(NHC)Pd(allyl)Cl] type complexes appear to be effective. These complexes can be conveniently synthesized upon the treatment of the corresponding imidazolium salt with a strong base and [Pd(allyl)Cl]2.
Book Synopsis Organometallic Pincer Chemistry by : Gerard van Koten
Download or read book Organometallic Pincer Chemistry written by Gerard van Koten and published by Springer. This book was released on 2012-09-17 with total page 363 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gerard van Koten: The Mono-anionic ECE-Pincer Ligand - a Versatile Privileged Ligand Platform: General Considerations.- Elena Poverenov, David Milstein: Non-Innocent Behavior of PCP and PCN Pincer Ligands of Late Metal Complexes.- Dean M. Roddick: Tuning of PCP Pincer Ligand Electronic and Steric Properties.- Gemma R. Freeman, J. A. Gareth Williams: Metal Complexes of Pincer Ligands: Excited States, Photochemistry, and Luminescence.- Davit Zargarian, Annie Castonguay, Denis M. Spasyuk: ECE-Type Pincer Complexes of Nickel.- Roman Jambor and Libor Dostál: The Chemistry of Pincer Complexes of 13 - 15 Main Group Elements.- Kálmán J. Szabo: Pincer Complexes as Catalysts in Organic Chemistry.- Jun-ichi Ito and Hisao Nishiyama: Optically Active Bis(oxazolinyl)phenyl Metal Complexes as Multi-potent Catalysts.- Anthony St. John, Karen I. Goldberg, and D. Michael Heinekey: Pincer Complexes as Catalysts for Amine Borane Dehydrogenation.- Dmitri Gelman and Ronit Romm: PC(sp3)P Transition Metal Pincer Complexes: Properties and Catalytic Applications.- Jennifer Hawk and Steve Craig: Physical Applications of Pincer Complexes.
Book Synopsis N-heterocyclic Carbene Palladium Pincer Complexes by : Jagadeesh Malineni
Download or read book N-heterocyclic Carbene Palladium Pincer Complexes written by Jagadeesh Malineni and published by . This book was released on 2011 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis, Characterisation and Catalytic Activity of Gold, Rhodium and Palladium Complexes Featuring Fluorinated N-heterocyclic Carbene Ligands by : Mohamad Shazwan Shah Bin Jamil
Download or read book Synthesis, Characterisation and Catalytic Activity of Gold, Rhodium and Palladium Complexes Featuring Fluorinated N-heterocyclic Carbene Ligands written by Mohamad Shazwan Shah Bin Jamil and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis N-heterocyclic Carbene Rhodium(I) and Iridium(I) Hydroxide Complexes by : Byron John Truscott
Download or read book N-heterocyclic Carbene Rhodium(I) and Iridium(I) Hydroxide Complexes written by Byron John Truscott and published by . This book was released on 2014 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Carbene Chemistry written by Guy Bertrand and published by CRC Press. This book was released on 2002-05-14 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: Highlights recent discoveries in the development of rapid kinetic techniques that allow for direct visualization and state-of-the-art computational methods.
Book Synopsis Functionalised N-Heterocyclic Carbene Complexes by : Olaf Kühl
Download or read book Functionalised N-Heterocyclic Carbene Complexes written by Olaf Kühl and published by John Wiley & Sons. This book was released on 2010-02-02 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: N-heterocyclic carbenes (NHCs) have found increasing use as reagents for a range of organic transformations and in asymmetric organocatalysis. The performance of these molecules can be improved and tuned by functionalisation. Functionalised carbenes can anchor free carbenes to the metal site, introduce hemilability, provide a means to immobilise transition metal carbene catalysts, introduce chirality, provide a chelate ligand or bridge two metal centres. NHC can be attached to carbohydrates and campher, derived from amino acids and purines, they can be used as organocatalysts mimicking vitamin B1 or as weak “solvent” donors in lanthanide chemistry. Functionalised N-Heterocyclic Carbene Complexes describes major trends in functionalised NHC ligands, aiming to assist readers in their attempts to develop and apply their own functionalised carbenes. After an introduction to the chemistry and behaviour of NHC, the book gives a detailed description of functionalised carbenes and their complexes according to a range of functional groups, each with a discussion of the synthetic route, structure, stability and performance. Functionalised N-Heterocyclic Carbene Complexes is an essential guide to fine-tuning this important class of compounds for practitioners, researchers and advanced students working in synthetic organometallic and organic chemistry and catalysis.
Book Synopsis Rhodium and Iridium Complexes of Fischer and N-heterocyclic Carbenes: Synthesis and Reactivity by : Leah N. Appelhans
Download or read book Rhodium and Iridium Complexes of Fischer and N-heterocyclic Carbenes: Synthesis and Reactivity written by Leah N. Appelhans and published by . This book was released on 2007 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation concerns the synthesis and properties of Fischer and N-heterocyclic carbene complexes of rhodium and iridium. Chapter two describes the synthesis of Fischer carbene complexes of iridium, derived from aminopyridines. The mechanism of formation, via a double C-H activation, is investigated. Stoichiometric C-C coupling reactions with alkenes, alkynes, and enones are described. In chapter three we explore the origin of anion-dependant selectivity in the formation of normal and abnormal N-heterocyclic carbene complexes of iridium. Chapter four describes the synthesis of an abnormal N-heterocyclic carbene ligand of intermediate electron-donating power. The effect of varying the electron-donating power of abnormal N-heterocyclic carbene ligands in alkyne hydrosilylation is examined. In Chapter five the synthesis of an isosteric series of N-heterocyclic carbene ligands with varying electron-donor properties, and their neutral and cationic iridium complexes is described. An unusual intramolecular C-H activation, which is at equilibrium at room temperature, is described. Chapter six describes the synthesis of iridium complexes with two monodentate N-heterocyclic carbene complexes. Complexes combining normal N-heterocyclic carbene ligands, abnormal N-heterocyclic carbene ligands, and triazole-derived N-heterocyclic carbene ligands are described.
Book Synopsis Cyclometalation Reactions by : Iwao Omae
Download or read book Cyclometalation Reactions written by Iwao Omae and published by Springer Science & Business Media. This book was released on 2014-01-23 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a review of cyclometalation reactions and organometallic intramolecular-coordination five-membered ring products, the most active type of reactions in synthetic organic reactions and their products. Included is the discovery of intramolecular-coordination bonds in cyclometalation reactions and the characteristics of those reactions, as well as the reasons that their five-membered ring compounds are very easily synthesized through such reactions. In addition, the applications of cyclometalation reactions and five-membered ring products, synthetic applications, catalysts, and other products are described. These topics are of special interest for industrial researchers.
