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Preparation Of Ruthenium Rhenium Carbonyl Clusters And A Study Of Their Reactions With Diphenylacetylene
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Book Synopsis Preparation of Ruthenium-rhenium Carbonyl Clusters and a Study of Their Reactions with Diphenylacetylene by : Kevin M. Stein
Download or read book Preparation of Ruthenium-rhenium Carbonyl Clusters and a Study of Their Reactions with Diphenylacetylene written by Kevin M. Stein and published by . This book was released on 1988 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis of Large Carbonyl Clusters of Ruthenium, Osmium and Rhenium by : Chi-Mi Tai Hayward
Download or read book Synthesis of Large Carbonyl Clusters of Ruthenium, Osmium and Rhenium written by Chi-Mi Tai Hayward and published by . This book was released on 1984 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ruthenium in Organic Synthesis by : Shun-Ichi Murahashi
Download or read book Ruthenium in Organic Synthesis written by Shun-Ichi Murahashi and published by John Wiley & Sons. This book was released on 2006-03-06 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this comprehensive book, one of the leading experts, Shun-Ichi Murahashi, presents all the important facets of modern synthetic chemistry using Ruthenium, ranging from hydrogenation to metathesis. In 14 contributions, written by an international authorship, readers will find all the information they need about this fascinating and extraordinary chemistry. The result is a high quality information source and a indispensable reading for everyone working in organometallic chemistry. From the contents: Introduction (S.-I. Murahashi) Hydrogenation and Transfer Hydrogenation (M. Kitamura and R. Noyori) Oxidations (S.-I. Murahashi and N. Komiya) Carbon-Carbon Bond Formations via Ruthenacycle Intermediates (K. Itoh) Carbon-Carbon Bond Formation via pi-Allylruthenium Intermediates (T. Mitsudo) Olefin Metathesis (R. H. Grubbs) Cyclopropanation (H. Nishiyama) Nucleophilic Addition to Alkynes and Reactions via Vinylidene Intermediates (P. Dixneuf) Reactions via C-H Activation (N. Chatani) Lewis Acid Reactions (E. P. Kundig) Reactions with CO and CO2 (T. Mitsudo) Isomerization of Organic Substrates Catalyzed by Ruthenium Complexes (H. Suzuki) Radical Reactions (H. Nagashima) Bond Cleavage Reactions (S. Komiya)
Book Synopsis Synthesis of a Ruthenium-rhenium Metal Cluster and a Dimeric Acetylene and an Investigation of Their Reaction by : Schuyler O. Sanderson
Download or read book Synthesis of a Ruthenium-rhenium Metal Cluster and a Dimeric Acetylene and an Investigation of Their Reaction written by Schuyler O. Sanderson and published by . This book was released on 1993 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis and Reactivity Studies of High-nuclearity Carbido Carbonyl Clusters of Heptarhenium-iridium and Decaruthenium by : Linqing Ma
Download or read book Synthesis and Reactivity Studies of High-nuclearity Carbido Carbonyl Clusters of Heptarhenium-iridium and Decaruthenium written by Linqing Ma and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The cluster anion ($\rm Re\sb7C(CO)\sb{21}Ir(C\sb8H\sb{14})(CO)\rbrack \sp{2-}$ has been synthesized by the capping of ($\rm Re\sb7C(CO)\sb{21}\rbrack \sp{3-}$ with the in-situ generated cationic species from the reaction of ($\rm Ir(C\sb8H\sb{14})\sb2(CO)Cl\rbrack \sb2$ and AgBF$\sb4.$ This new heptarhenium-iridium compound reacts with two electron donors to give ligand-substituted compounds ($\rm Re\sb7C(CO)\sb{21}Ir(L)(CO)\rbrack \sp{2-}$ (L = CO, $\rm C\sb2H\sb4,$ PMePh$\sb2,$ and PPh$\sb3),$ and with triphenylsilane and allyl bromide to form the oxidative addition products ($\rm Re\sb7C(CO)\sb{21}Ir(H)(CO)(SiPh\sb3)\rbrack \sp{2-}$ and ($\rm Re\sb7C(CO)\sb{21}Ir(\eta\sp3C\sb3H\sb5)(CO)\rbrack \sp-.$ The reactivities at iridium parallel those of the indenyl complex $\rm (\eta\sp5C\sb9H\sb7)Ir(C\sb8H\sb{14})(CO),$ thus giving further support for the previously proposed analogy between ($\rm Re\sb7C(CO)\sb{21}\rbrack \sp{3-}$ and the cyclopentadienyl ligand and its derivatives. Formulation and characterization of these new compounds are based on elemental analysis, IR, $\sp1$H and $\sp{13}$C NMR spectroscopies, fast-atom bombardment mass spectrometry, and X-ray crystallography. The cluster anion ($\rm Re\sb7C(CO)\sb{21}Ir(CO)\sb2\rbrack \sp{2-}$ undergoes an irreversible framework isomerization process in solution to form a new isomer $\rm \{\lbrack Re(CO)\sb3\rbrack\sb2\lbrack Re\sb5IrC(CO)\sb{17}\rbrack \}\sp{2-}.$ Kinetic studies have been carried out, and a reaction mechanism has also been proposed. In refluxing acetonitrile $\rm \{\lbrack Re(CO)\sb3\rbrack\sb2\lbrack Re\sb5IrC(CO)\sb{17}\rbrack \}\sp{2-}$ loses a Re(CO)$\sb3\sp+$ fragment, leading to the formation of $\rm \lbrack Re\sb6IrC(CO)\sb{20}\rbrack \sp{3-}.$ This analog of $\rm \lbrack Re\sb7C(CO)\sb{21}\rbrack \sp{3-}$ reacts with Au(PPh$\sb3)$Cl to give ($\rm Re\sb6IrC(CO)\sb{20}Au(PPh\sb3)\rbrack \sp{2-}$ and $\rm \{Re\sb6IrC(CO)\sb{20}\lbrack Au(PPh\sb3)\rbrack \sb2\}\sp-,$ which have been characterized by $\sp{31}$P and $\sp{13}$C NMR studies. The known cluster anion ($\rm Ru\sb{10}C\sb2(CO)\sb{24}\rbrack \sp{2-}$ can be prepared via an alternative route involving the redox condensation of ($\rm Ru\sb6C(CO)\sb{16}\rbrack \sp{2-}$ and Ru$\sb5$C(CO)$\sb{15}.$ Substitution of two apical carbonyls in ($\rm Ru\sb{10}C\sb2(CO)\sb{24}\rbrack \sp{2-}$ by one diphenylacetylene molecule gives the compound ($\rm Ru\sb{10}C\sb2(CO)\sb{22}(C\sb2Ph\sb2)\rbrack \sp{2-},$ which contains a new ruthenium-ruthenium bond between the two apical atoms in the bioctahedral structure. Carbonyl ligand dynamic exchange behavior has been observed by variable-temperature $\sp{13}$C NMR spectroscopy.
Book Synopsis Synthesis and Reactivity of Compounds Containing Ruthenium-carbon, -nitrogen, and -oxygen Bonds by :
Download or read book Synthesis and Reactivity of Compounds Containing Ruthenium-carbon, -nitrogen, and -oxygen Bonds written by and published by . This book was released on 1990 with total page 417 pages. Available in PDF, EPUB and Kindle. Book excerpt: The products and mechanisms of the thermal reactions of several complexes of the general structure (PMe3)4Ru(X)(Y) and (DMPM)2Ru(X)(Y) where X and Y are hydride, aryl, and benzyl groups, have been investigated. The mechanism of decomposition depends critically on the structure of the complex and the medium in which the thermolysis is carried out. The alkyl hydride complexes are do not react with alkane solvent, but undergo C-H activation processes with aromatic solvents by several different mechanisms. Thermolysis of (PMe3)4Ru(Ph)(Me) or (PMe3)4Ru(Ph)2 leads to the ruthenium benzyne complex (PMe3)4Ru([eta]2-C6H4) (1) by a mechanism which involves reversible dissociation of phosphine. In many ways its chemistry is analogous to that of early rather than late organo transition metal complexes. The synthesis, structure, variable temperature NMR spectroscopy and reactivity of ruthenium complexes containing aryloxide or arylamide ligands are reported. These complexes undergo cleavage of a P-C bond in coordinated trimethylphosphine, insertion of CO and CO2 and hydrogenolysis. Mechanistic studies on these reactions are described. The generation of a series of reactive ruthenium complexes of the general formula (PMe3)4Ru(R)(enolate) is reported. Most of these enolates have been shown to bind to the ruthenium center through the oxygen atom. Two of the enolate complexes 8 and 9 exist in equilibrium between the O- and C-bound forms. The reactions of these compounds are reported, including reactions to form oxygen-containing metallacycles. The structure and reactivity of these ruthenium metallacycles is reported, including their thermal chemistry and reactivity toward protic acids, electrophiles, carbon monoxide, hydrogen and trimethylsilane. 243 refs., 10 tabs.
Book Synopsis Synthesis and Characterization of Rhenium Carbonyl Complexes Obtained by Ligand Exchange Reactions by : Franklin R. Beckles Araque
Download or read book Synthesis and Characterization of Rhenium Carbonyl Complexes Obtained by Ligand Exchange Reactions written by Franklin R. Beckles Araque and published by . This book was released on 2005 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reactions of Cationic Ruthenium and Rhenium Metal Carbonyl Complexes with Nucleophiles by : Alan Edward Kruse
Download or read book Reactions of Cationic Ruthenium and Rhenium Metal Carbonyl Complexes with Nucleophiles written by Alan Edward Kruse and published by . This book was released on 1973 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Carbide Formation and Cluster Build-up Reactions in Ruthenium Carbonyl Cluster Chemistry by : Philip John Bailey
Download or read book Carbide Formation and Cluster Build-up Reactions in Ruthenium Carbonyl Cluster Chemistry written by Philip John Bailey and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis American Doctoral Dissertations by :
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1980 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Chemical Abstracts written by and published by . This book was released on 2002 with total page 2720 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Efficient Methods for Preparing Silicon Compounds by : Herbert W Roesky
Download or read book Efficient Methods for Preparing Silicon Compounds written by Herbert W Roesky and published by Academic Press. This book was released on 2016-05-12 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt: Efficient Methods for Preparing Silicon Compounds is a unique and valuable handbook for chemists and students involved in advanced studies of preparative chemistry in academia and industry. Organized by the various coordination numbers (from two to six) of the central silicon atom of the reported compounds, this book provides researchers with a handy and immediate reference for any compound or properties needed in the area. Edited by a renowned expert in the field, each chapter explores a different type of compound, thoroughly illustrated with useful schemes and supplemented by additional references. Knowledgeable contributors report on a broad range of compounds on which they have published and which are already used on a broad scale or have the potential to be used in the very near future to develop a new field of research or application in silicon chemistry. Includes contributions and edits from leading experts in the field Includes detailed chemical schemes and useful references for each preparative method Organized by the coordination numbers of the central silicon atom for each compound for easy navigation Serves as a go-to primer for researchers in novel compositions of silicon matter
Book Synopsis Australian Journal of Chemistry by :
Download or read book Australian Journal of Chemistry written by and published by . This book was released on 1975 with total page 950 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Organometallic Compounds written by and published by . This book was released on 1996 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :American Chemical Society. Committee on Professional Training Publisher : ISBN 13 :9780841227231 Total Pages :1700 pages Book Rating :4.2/5 (272 download)
Book Synopsis ACS Directory of Graduate Research 1993 by : American Chemical Society. Committee on Professional Training
Download or read book ACS Directory of Graduate Research 1993 written by American Chemical Society. Committee on Professional Training and published by . This book was released on 1993 with total page 1700 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1990 with total page 750 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comprehensive Coordination Chemistry II by : J. A. McCleverty
Download or read book Comprehensive Coordination Chemistry II written by J. A. McCleverty and published by Newnes. This book was released on 2003-12-03 with total page 11845 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive Coordination Chemistry II (CCC II) is the sequel to what has become a classic in the field, Comprehensive Coordination Chemistry, published in 1987. CCC II builds on the first and surveys new developments authoritatively in over 200 newly comissioned chapters, with an emphasis on current trends in biology, materials science and other areas of contemporary scientific interest.