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Synthesis And Characterization Of Group Viii Ix Transition Metal Complexes And Their Application In C H Bond Activation And Hydrogen Transformation
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Book Synopsis Synthesis and Characterization of Group VIII & IX Transition Metal Complexes and Their Application in C-H Bond Activation and Hydrogen Transformation by : Hongmei Yuan
Download or read book Synthesis and Characterization of Group VIII & IX Transition Metal Complexes and Their Application in C-H Bond Activation and Hydrogen Transformation written by Hongmei Yuan and published by . This book was released on 2018 with total page 183 pages. Available in PDF, EPUB and Kindle. Book excerpt: "A cobalt analogue of Cp*Co(PMe3)Me(OTf) (Cp* = 1, 2, 3, 4, 5 - pentamethylcyclopenta-dienyl, OTf = OSO2CF3), in Chapter 2, was attempted to be synthesized and studied for electrophilic C-H bond activation. Three new cobalt complexes Cp*Co(PMe3)(Me)2, Cp*Co(PMe3)(OTf)2 and Cp*Co(PMe3)(Me)(I) were synthesized. The 1H NMR spectrum showed a new material formed after mixing Cp*Co(PMe3)(Me)2 and Cp*Co(PMe3)(OTf)2 in 1:1 ratio. In Chapter 3, five carboxylate ligated iridium complexes (dmPhebox)Ir(O2CR)2(H2O) (R = -CH3(known compound), -CH2CH3, -CMe3, - CH2C6H5, -CH=CMe2) were designed and synthesized to understand the carboxylate ligand effects on the reactivity of the complex for alkane dehydrogenation. Results from the kinetic study showed that different R groups of the carboxylate iridium complexes can affect the reactivity with octane in the ??H elimination step. The rate constants for octane formation with different carboxylate ligands follow the order R = -CH=CMe2 > -CMe3 > -CH2CH3 > -CH3 > -CH2C6H5. In contrast, there is no significant effect of carboxylate ligand on the rate of the C-H activation step at 160 ʻC. These experimental results support the findings in the previously reported density functional theory (DFT) study of the (dmPhebox)Ir complex in alkane C-H activation. In Chapter 4,5 and 6, hydrogen transformation during the dehydrogenation and hydrogenation of N-heterocycles with a cobalt pincer catalyst, hydrogenation of alkenes with Fe(II) precursors, and hydrogenation of alcohols and dehydrogenation of ketones with a Cp*Rh(III) catalyst were investigated. The results of the acceptorless, reversible dehydrogenation and hydrogenation of N-heterocycles suggests a bifunctional dehydrogenation pathway and a non-bifunctional hydrogenation mechanism. The iron catalysts described in Chapter 5 operate via a metal-ligand cooperative pathway via a stepwise hydride transfer and then proton transfer mechanism. The Cp*Rh(III) catalysts in Chapter 6 decompose upon heating to give nanoparticles."--Pages xi-xii.
Book Synopsis Synthesis and Characterization of Transition Metal Complexes with Bulky Tin Ligands for Application in Small Molecule Activation by : Veeranna Yempally
Download or read book Synthesis and Characterization of Transition Metal Complexes with Bulky Tin Ligands for Application in Small Molecule Activation written by Veeranna Yempally and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The role of bulky tin ligands in the stabilization of transition metal complexes with electronic unsaturation has been studied to understand the mode of binding of small molecules at an unsaturated metal center. We were able to isolate electronically unsaturated Pt-Sn bimetallic complexes effective in the reversible activation of small molecules including CO, H2, C2H4, and NH3 at room temperature. We have examined the effect of the modification of ligands in Pt-Sn bimetallic complexes for the activation of small molecules and have observed that the Pt(SnBut3)2(CNBut)2 bimetallic complex reversibly activates hydrogen at room temperature both in the solid state and in solution. Similarly, we have also prepared bimetallic Pt-Sn complexes with an NHC carbine ligand which were also shown to activate hydrogen and alkenes reversibly. A bimetallic Fe-Sn cluster complex, Fe2 ([mu]-SnBut2)2(CO)8, was synthesized from the reaction of But3SnH with the Fe2(CO)9 and shown to be selective at activating the benzylic C-H bond of alkylaromatic solvent molecules. The new complexes containing tin have been characterized spectroscopically to gain an insight into the reaction mechanism involved in small molecule activation.
Book Synopsis Transition Metal-Catalyzed Heterocycle Synthesis via C-H Activation by : Xiao-Feng Wu
Download or read book Transition Metal-Catalyzed Heterocycle Synthesis via C-H Activation written by Xiao-Feng Wu and published by John Wiley & Sons. This book was released on 2016-03-07 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reflecting the tremendous growth of this hot topic in recent years, this book covers C-H activation with a focus on heterocycle synthesis. As such, the text provides general mechanistic aspects and gives a comprehensive overview of catalytic reactions in the presence of palladium, rhodium, ruthenium, copper, iron, cobalt, and iridium. The chapters are organized according to the transition metal used and sub-divided by type of heterocycle formed to enable quick access to the synthetic route needed. Chapters on carbonylative synthesis of heterocycles and the application of C-H activation methodology to the synthesis of natural products are also included. Written by an outstanding team of authors, this is a valuable reference for researchers in academia and industry working in the field of organic synthesis, catalysis, natural product synthesis, pharmaceutical chemistry, and crop protection.
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 2021-01-05 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: A guide to contemporary advancements in the field of distal C—H functionalization Remote C—H Bond Functionalizations provides a comprehensive overview on the most recent developments in the field of distal C—H functionalization. The text explores how distal C—H functionalization can be applied in various pharmaceutical and agrochemical industries. With contributions from a noted panel of experts on the topic, the book offers a coherent and comprehensive discussion about different strategies. The contributors cover a broad 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. The book also includes information on effective strategies as well as the engineering of templates. Throughout the book, the authors lay the foundations for future research. This important book: Contains the most recent research on one of the most important topics in organic synthesis Provides a broad overview on contemporary advancements in the field of distal C—H functionalization Includes deep insights into distal C—H functionalizations Offers information on applications in various industries Written for organic chemists, chemists working with organometallics, and industrial chemists, Remote C—H Bond Functionalizations presents a systematic compilation of the field.
Book Synopsis Synthesis and Reactivity of Late Transition Metal Pincer Complexes by : Karena A. Smoll
Download or read book Synthesis and Reactivity of Late Transition Metal Pincer Complexes written by Karena A. Smoll and published by . This book was released on 2018 with total page 157 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Synthesis and Characterization of Highly Electron Deficient Transition Metal Complexes by : Brendan Dermot Murray
Download or read book The Synthesis and Characterization of Highly Electron Deficient Transition Metal Complexes written by Brendan Dermot Murray and published by . This book was released on 1984 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis C-H and C-X Bond Functionalization by : Xavi Ribas
Download or read book C-H and C-X Bond Functionalization written by Xavi Ribas and published by Royal Society of Chemistry. This book was released on 2013-05-24 with total page 489 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cross-coupling reactions involving C-H and C-X bond functionalisation are commonplace in natural product synthesis and natural products, therapeutic agents, biological probes, and advanced materials. Much attention has been given to understanding the mechanistic strategies used to achieve this, making this a hot topic in recent years. In this edited book, contributions from across the globe examine these strategies, with a particular focus on palladium and copper, as well as iron – an emerging element in this field. Reviewing the recent literature, the book presents an in-depth understanding of the field, guiding the reader to achieving the best synthetic strategies for aromatic functionalisation. Organic and Organometallic chemists, as well as natural product and pharmaceutical scientists, will find this an essential guide to a major transformation currently underway in synthetic chemistry.
Book Synopsis Transition Metals in the Synthesis of Complex Organic Molecules by : Louis S. Hegedus
Download or read book Transition Metals in the Synthesis of Complex Organic Molecules written by Louis S. Hegedus and published by University Science Books. This book was released on 1994 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: A text for use in a one-semester course for upper-level students familiar with basic organic chemistry, or as a survey course for practicing organic chemists. Chapters 1 and 2 present a brief overview of the formalisms and mechanisms required to understand the processes discussed in chapters 3-10, which deal with the application of transition metal organometallic chemistry to organic synthesis with specific attention to applications with complex molecules. Updates and expands chapters 13-20 of Principles and Applications of Organotransition Metal Chemistry, 2nd ed. (1987). Published by University Science Books, 20 Edgehill Rd., Mill Valley, CA 94941. Annotation copyright by Book News, Inc., Portland, OR
Book Synopsis C-X Bond Formation by : Arkadi Vigalok
Download or read book C-X Bond Formation written by Arkadi Vigalok and published by Springer. This book was released on 2010-06-30 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contents: Kilian Muñiz: Transition Metal Catalyzed Electrophilic Halogenation of C-H bonds in alpha-Position to Carbonyl Groups; Arkadi Vigalok * and Ariela W Kaspi: Late Transition Metal-Mediated Formation of Carbon-Halogen Bonds; Paul Bichler and Jennifer A. Love*: Organometallic Approaches to Carbon-Sulfur Bond Formation; David S. Glueck: Recent Advances in Metal-Catalyzed C-P Bond Formation; Andrei N. Vedernikov: C-O Reductive Elimination from High Valent Pt and Pd Centers; Lukas Hintermann: Recent Developments in Metal-Catalyzed Additions of Oxygen Nucleophiles to Alkenes and Alkynes; Moris S. Eisen: Catalytic C-N, C-O and C-S bond formation promoted by organoactinide complexes.
Book Synopsis Synthesis and Characterization of Transition Metal Complexes by : Milan M. Milutinović
Download or read book Synthesis and Characterization of Transition Metal Complexes written by Milan M. Milutinović and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transition metals and their complexes have an important impact on chemistry and are found in many application in life in general. Ruthenium and rhodium are two members of noble metals and proved to be suitable for anticancer activity. With the aim of changing the coordination environment in ruthenium and rhodium complexes, this thesis presents a series of Ru(II) polypyridyl and Rh(III) pincer-type complexes. All new Ru(II) and Rh(III) complexes were characterized by NMR spectroscopy, ESI-MS spectrometry and UV-Vis spectrophotometry . For some of the complexes a single crystal X-ray crystallography was performed. The substitution reactions of Ru(II) and Rh(III) complexes with mononucleotides, oligonucleotides and amino acids were studied quantitatively by UV-Vis spectroscopy. Measurements of the activation enthalpies and entropies for all synthesized complexes are supporting an associative mechanism for the substitution process. NMR spectroscopy studies were performed on some Ru(II) complexes where after the hydrolyses of the metal-Cl bond the complexes are capable to interact with guanine derivatives forming monofunctional adducts via N7 atom. The interactions of Ru(II) and Rh(III) complexes with fully complementary 15-mer and 22-mer duplexes of DNA and fully complementary 13-mer duplexes of RNA were studied by UV-Vis spectroscopy. The interactions of ruthenium(II) and rhodium(III) complexes with calf thymus and herring testes DNA were examined by absorption using UV-Vis spectroscopy, fluorescence emission spectral studies by ethidium bromide displacement studies and viscosity measurements. ; eng
Book Synopsis Characterization and Catalytic Application of Unsaturated Transition Metal Complexes by : Todd J. Johnson
Download or read book Characterization and Catalytic Application of Unsaturated Transition Metal Complexes written by Todd J. Johnson and published by . This book was released on 1992 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis and Characterization of Transition Metal Complexes as Well as Their Application in the Formation of Metal-based Materials and the Investigation of Their (spectro)electrochemical Behavior by : Andrea Preuß
Download or read book Synthesis and Characterization of Transition Metal Complexes as Well as Their Application in the Formation of Metal-based Materials and the Investigation of Their (spectro)electrochemical Behavior written by Andrea Preuß and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Iron Catalysis written by Bernd Plietker and published by Springer Science & Business Media. This book was released on 2011-01-05 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: Juan I. Padrón and Víctor S. Martín: Catalysis by means of Fe-based Lewis acids; Hiroshi Nakazawa*, Masumi Itazaki: Fe–H Complexes in Catalysis; Kristin Schröder, Kathrin Junge, Bianca Bitterlich, and Matthias Beller: Fe-catalyzed Oxidation Reactions of Olefins, Alkanes and Alcohols: Involvement of Oxo- and Peroxo Complexes; Chi-Ming Che, Cong-Ying Zhou, Ella Lai-Ming Wong: Catalysis by Fe=X Complexes (X=NR, CR2); René Peters, Daniel F. Fischer and Sascha Jautze: Ferrocene and Half Sandwich Complexes as Catalysts with Iron Participation; Markus Jegelka, Bernd Plietker: Catalysis by Means of Complex Ferrates.
Book Synopsis Synthesis, Structures and Characterization of Coordination Compounds with the Transition Metals, Ni(II), Cu(II), Mn(II), Cr(III), Fe(III), Using Ligands Based on Iminodiacetic Acid and N-heterocycles by : Maria Paula Juanico
Download or read book Synthesis, Structures and Characterization of Coordination Compounds with the Transition Metals, Ni(II), Cu(II), Mn(II), Cr(III), Fe(III), Using Ligands Based on Iminodiacetic Acid and N-heterocycles written by Maria Paula Juanico and published by Cuvillier Verlag. This book was released on 2003 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Preparation and Reactivity of Sigma-complexes by : Samantha J. Connelly
Download or read book Preparation and Reactivity of Sigma-complexes written by Samantha J. Connelly and published by . This book was released on 2014 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ligation of molecular hydrogen to transition metal complexes was first observed by Kubas and co-workers in 1984. In this work, three-coordinate pincer ligands were employed in the preparation of square-planar d8 nickel and palladium dihydrogen complexes. The synthesis, isolation, characterization, and reactivity of these hydrogen-ligated group 10 complexes is reported. Solution nuclear magnetic resonance (NMR) spectroscopy was used to accurately determine the H-H distance in the ligand based on measurements of both T1 and 1JHD. Relevant to understanding the degree of bond activation occurring at a transition metal, these dihydrogen complexes can be models for important intermediates in homogeneous catalytic processes. Additionally, silylium (silyl arenium) cations were synthesized, characterized, and employed in the synthesis of the dihydrogen complexes. A crystal structure of the triethylsilane- bound triethylsilylium ion, [(Et3Si)2H]+ is included.
Book Synopsis Comprehensive Organic Functional Group Transformations: Synthesis: carbon with one heteroatom attached by a single bond by : Alan R. Katritzky
Download or read book Comprehensive Organic Functional Group Transformations: Synthesis: carbon with one heteroatom attached by a single bond written by Alan R. Katritzky and published by Elsevier. This book was released on 1995-12-29 with total page 1474 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis, Characterization, and Reactivity of Transition Metal Complexes Containing Multi-donor Ligands by : John C. Linehan
Download or read book Synthesis, Characterization, and Reactivity of Transition Metal Complexes Containing Multi-donor Ligands written by John C. Linehan and published by . This book was released on 1986 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt:
