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Late Transition Metal Complexes Incorporating Hemilabile Mixed Donor N Heterocyclic Carbene Ligands
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Book Synopsis Late Transition Metal Complexes Incorporating Hemilabile Mixed-donor N-heterocyclic Carbene Ligands by :
Download or read book Late Transition Metal Complexes Incorporating Hemilabile Mixed-donor N-heterocyclic Carbene Ligands written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The discovery of N-heterocyclic carbenes (NHC) has dramatically affected the world of catalysis. Their inherent properties that make them excellent auxiliary ligands for catalytic processes have countless laboratories worldwide probing and exploiting every notable feature they possess. However, while there is no shortage of attention in this field of research, there has been considerably less interest in NHCs with an ability chelate to metals via a mixed-donor ligand architecture. Thus, this thesis describes the synthesis and application of a ligand set comprised of bidentate mixed-donor NHC ligands. The ligands prepared all contain a mesitylimidazol-2-ylidene core unit, but incorporate different donor-functionalized tethers. These mixed-donor NHC ligands are synthesized by using a strong base, such as KN(SiMe3)2, to deprotonate the imidazolium salt precursors. This strategy was used to effectively prepare 1-mesityl-3-(2-(mesitylamino)ethyl)imidazol-2-ylidene, Mes[CNH] and 1-mesityl-3-(2-aminoethyl)imidazol-2-ylidene, Mes[CNH2]. Mes[CNH] was found to be a convenient proligand for the synthesis of various M-NHC (M = Rh, Ir, Ru, Pd, Ni, Fe, Ag, Li) compounds. These Mes[CNH]-M complexes demonstrated the hemilabile character of the Mes[CNH] ligand forming complexes that incorporated either a coordinated or uncoordinated amino tether. Mes[CNH]M(diene)Cl, Mes[CN]M(diene) and [Mes[CNH]M(diene)]BF4(M = Rh, Ir; diene = 1,5-cyclooctadiene, 2,5-norbornadiene) were synthesized and investigated for their ability to perform hydrogenation and hydrosilylation reactions with various substrates. Mes[CNH]Ru(=CHPh)(PCy3)Cl2, Mes[CNH]Ru(=CHPh)(py)Cl2 (py = pyridine) and Mes[CNH]Ru(=CHPh)(PMe3)Cl2 were also synthesized and fully characterized. The activity of the former two Ru complexes was studied for their ability to catalyze ring-closing metathesis (RCM) and ring-opening metathesis polymerization (ROMP) reactions. In addition, the phosphine dissociation rate of Mes[CNH]Ru(=CHPh)(PCy3).
Book Synopsis Synthesis and Characterisation of Late Transition Metal Complexes Containing Novel Mixed N-heterocyclic Carbene and Thione Donors by :
Download or read book Synthesis and Characterisation of Late Transition Metal Complexes Containing Novel Mixed N-heterocyclic Carbene and Thione Donors written by and published by . This book was released on 2012 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Transition Metal Complexes of Neutral Eta1-Carbon Ligands by : Remi Chauvin
Download or read book Transition Metal Complexes of Neutral Eta1-Carbon Ligands written by Remi Chauvin and published by Springer Science & Business Media. This book was released on 2010-01-12 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is part of a series that gives the broad scientific readership a comprehensive summary and critical overview of specific topics in the field of organometallic chemistry. This text focuses on transition metal complexes of neutral eta1-carbon ligands.
Book Synopsis The Privileged Pincer-Metal Platform: Coordination Chemistry & Applications by : Gerard van Koten
Download or read book The Privileged Pincer-Metal Platform: Coordination Chemistry & Applications written by Gerard van Koten and published by Springer. This book was released on 2015-08-27 with total page 381 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 in 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.
Book Synopsis Aryl-Substituted Imino-N-Heterocyclic Carbene Complexes Of Late Transition Metals by : Anna Candace Badaj
Download or read book Aryl-Substituted Imino-N-Heterocyclic Carbene Complexes Of Late Transition Metals written by Anna Candace Badaj and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Transition Metal Complexes of N-heterocyclic Carbenes and Derivatives Thereof by : Timothy Gordon Larocque
Download or read book Transition Metal Complexes of N-heterocyclic Carbenes and Derivatives Thereof written by Timothy Gordon Larocque and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: N-heterocyclic carbenes (NHCs) have played a dominant role in organometallic chemistry for decades and revolutionized the field of homogenous catalysis. NHCs have been thoroughly studied, both experimentally and theoretically, and have shown unique reactivity towards transition metals, chalcogens, azides and pnictogens. This thesis is aimed at utilizing the unique reactivity of N-heterocyclic carbenes to develop novel, robust catalysts to mediate organic transformations. The multi-faceted work within this thesis explores the use of NHCs as ancillary ligands on early and late transition metals as potential catalysts for olefin polymerization and ring-closing metathesis, respectively. This work also includes exploring the synthesis and coordination of ancillary ligands derived from the unique reactivity of NHCs towards azides, chalcogens and pnictinidenes. The reactivity of a novel aryl-substituted acyclic imino-N-heterocyclic carbene to early transition metals, cyclooctasulfur and Grubbs-type ruthenium benzylidene complexes was explored. The reactivity of imidazol-2-imide towards Grubbs-type ruthenium benzylidene complexes and the synthesis and coordination of a novel group of ligands bearing an imidazol-2-imine scaffold were also explored. Lastly, this work will include the reactivity of IMes=PPh to Grubbs-type ruthenium benzylidene complexes.
Book Synopsis Novel Di(N-heterocyclic Carbene) Ligands and Related Transition Metal Complexes by : Marco Monticelli
Download or read book Novel Di(N-heterocyclic Carbene) Ligands and Related Transition Metal Complexes written by Marco Monticelli and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The PhD, a collaboration between the University of Padova and the University of Strasbourg, is focused on the chemistry of di(N-heterocyclic carbene) ligands and can be divided in four families of ligands that constitute the four chapters: i) metal complexes (Cu(I), Ag(I), Au(I), Ir(III), Ru(II)) with di(N-heterocyclic carbene) ligands bearing a rigid phenylene bridge between the carbene units; ii) metal complexes (Cu(I), Ag(I), Au(I), Ru(II)) combining an imidazole-based NHC ligand functionalized with a triazole in the 5 position of the backbone; iii) metal complexes (Ag(I), Au(I), Pd(II)) with heteroditopic ligands based on imidazol-2-ylidene and 1,2,3-triazol-5-ylidene moieties connected with a propylene bridge; iv) bis(benzoxazolium) proligands and attempted synthesis of related transition metal complex.
Book Synopsis Synthesis of New Hemilabile Tetradentate Sulfur Functionalized N-heterocyclic Carbene Ligands for Transition Metal Catalysis by : Edward Cross
Download or read book Synthesis of New Hemilabile Tetradentate Sulfur Functionalized N-heterocyclic Carbene Ligands for Transition Metal Catalysis written by Edward Cross and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Transition Metal Complexes of N-Anchored N-Heterocyclic Carbene Ligands: Synthesis, Characterization, and Reactivity by : Eva Zolnhofer
Download or read book Transition Metal Complexes of N-Anchored N-Heterocyclic Carbene Ligands: Synthesis, Characterization, and Reactivity written by Eva Zolnhofer and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Metal Complexes of Tripodal N-heterocyclic Carbene Ligands by : Xile Hu
Download or read book Metal Complexes of Tripodal N-heterocyclic Carbene Ligands written by Xile Hu and published by . This book was released on 2004 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multidentate Di-N-heterocyclic Carbene Ligands for Transition Metal Catalyzed Hydrogenation Reactions by :
Download or read book Multidentate Di-N-heterocyclic Carbene Ligands for Transition Metal Catalyzed Hydrogenation Reactions written by and published by . This book was released on 2015 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Expanded Ring N-heterocyclic Carbene Complexes of the Late Transition Metals by : Jay James Dunsford
Download or read book Expanded Ring N-heterocyclic Carbene Complexes of the Late Transition Metals written by Jay James Dunsford and published by . This book was released on 2012 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis of Transition Metal N-heterocyclic Carbene Complexes and Applications in Catalysis by : Michael Holtz-Mulholland
Download or read book Synthesis of Transition Metal N-heterocyclic Carbene Complexes and Applications in Catalysis written by Michael Holtz-Mulholland and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Late Transition Metal Complexes Containing Tridentate Pincer-type 1, 3-bis (o-diphenylphosphino) Phenyl)-N, N'-heterocyclic Phosphenium/carbene Ligands by : Baofei Pan
Download or read book Late Transition Metal Complexes Containing Tridentate Pincer-type 1, 3-bis (o-diphenylphosphino) Phenyl)-N, N'-heterocyclic Phosphenium/carbene Ligands written by Baofei Pan and published by . This book was released on 2006 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Late Transition Metal Complexes Bearing Functionalized N-Heterocyclic Carbenes and the Catalytic Hydrogenation of Polar Double Bonds by : Wylie Wing Nien O
Download or read book Late Transition Metal Complexes Bearing Functionalized N-Heterocyclic Carbenes and the Catalytic Hydrogenation of Polar Double Bonds written by Wylie Wing Nien O and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 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
