Complexes Diene Du Rhodium Et De Liridium Portant Des Ligands Diphenylphosphinoferrocenyl Thioether

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Complexes Diène Du Rhodium Et de L'iridium Portant Des Ligands Diphénylphosphinoferrocényl Thioéther

Author : Ekaterina Kozinets
Publisher :
ISBN 13 :
Total Pages : 142 pages
Book Rating : 4.:/5 (924 download)

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Book Synopsis Complexes Diène Du Rhodium Et de L'iridium Portant Des Ligands Diphénylphosphinoferrocényl Thioéther by : Ekaterina Kozinets

Download or read book Complexes Diène Du Rhodium Et de L'iridium Portant Des Ligands Diphénylphosphinoferrocényl Thioéther written by Ekaterina Kozinets and published by . This book was released on 2013 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: New diene rhodium complexes with diphenylphosphinoferrocenylthioether ligands [Rh(P,SR)(diene)]X (diene = COD, NBD; X = Cl-, BF4-) were synthesized and fully characterized. The molecular structure of the cationic complexes [Rh(P,SR)(diene)]+BF4- shows a slightly distorted square planar geometry. For the chloride complexes, [Rh(P,SR)(diene)Cl], a combination of NMR and IR spectroscopy and DFT calculations points to a four coordinate square planar geometry with the diene ligand, the chlorine and the phosphorus atoms in the coordination sphere and with a dangling thioether function. It was found that rhodium complexes [Rh(P,SR)(diene)]X are good structural and functional models to study the ketone asymmetric hydrogenation mechanism catalyzed by the iridium complexes [Ir(P,SBut)(COD)Cl]. For the [Rh(P,SBut)(diene)]X derivatives the rate of hydrogenation and the nantioselectivity change in the order COD-Cl > COD-BF4 > NBD-BF4 > NBD-Cl. For the complexes with the NBD ligand the activity/enantioselectivity change in the order But ” Et > Ph > Bz. By use of parahydrogen NMR spectrometry, it was established that the catalyst activation involves the reaction of the rhodium complexes [Rh(P,SBut)(diene)]X with dihydrogen, which occurs in two steps through the generation of an intermediate [Rh(P,SR)(alkene-alkyl)]([Rh(P,SR)(1-kappa-4,5-eta-C8H13)] for the COD complexes) followed by the formation of a solvated complex [Rh(P,SR)(Solv)2]+ (Solv = MeOH, MeCN, acetone). Hydrogenation of the NBD ligand proceeds faster than that of the COD ligand. The rhodium complex [Rh(P,SBut)(MeOH)2]+ promotes a very rapid H/D exchange between H2 and the deuterated solvent via a dihydride species [Rh(P,SBut)(MeOH)2H2]+, which is accessible according to the DFT calculations. Addition of L (py or MeCN) to the solution of [Rh(P,SBut)(diene)]X in the presence of H2 at low temperature results in the formation of a diastereomeric dihydride species [Rh(P,SBut)L2H2]+, the structure of which was established on the basis of the NMR spectroscopic data.

Study of Rhodium and Silver Complexes with Thioether- and Sulfoxide-functionalized N-heterocycliccarbene Ligands

Author : 余祈瑩
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (896 download)

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Book Synopsis Study of Rhodium and Silver Complexes with Thioether- and Sulfoxide-functionalized N-heterocycliccarbene Ligands by : 余祈瑩

Download or read book Study of Rhodium and Silver Complexes with Thioether- and Sulfoxide-functionalized N-heterocycliccarbene Ligands written by 余祈瑩 and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Comprehensive Coordination Chemistry II

Author : J. A. McCleverty
Publisher : Newnes
ISBN 13 : 0080913164
Total Pages : 11845 pages
Book Rating : 4.0/5 (89 download)

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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.

Transition-metal Complexes Containing Phosphorus Ligands

Author : Jeffrey John Levison
Publisher :
ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (681 download)

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Book Synopsis Transition-metal Complexes Containing Phosphorus Ligands by : Jeffrey John Levison

Download or read book Transition-metal Complexes Containing Phosphorus Ligands written by Jeffrey John Levison and published by . This book was released on 1972 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Synthesis and Reactions of Complexes of Rhodium and Iridium Having Chelating N,O-donor Ligands

Author : Namadzavho Enos Sitabule
Publisher :
ISBN 13 :
Total Pages : 302 pages
Book Rating : 4.:/5 (775 download)

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Book Synopsis Synthesis and Reactions of Complexes of Rhodium and Iridium Having Chelating N,O-donor Ligands by : Namadzavho Enos Sitabule

Download or read book Synthesis and Reactions of Complexes of Rhodium and Iridium Having Chelating N,O-donor Ligands written by Namadzavho Enos Sitabule and published by . This book was released on 2000 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Radical-type Chemistry of Rhodium and Iridium Complexes with 'non-innocent' Nitrido and PNN Pincer Ligands

Author : Christophe Rebreyend
Publisher :
ISBN 13 : 9789462959583
Total Pages : 165 pages
Book Rating : 4.9/5 (595 download)

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Book Synopsis The Radical-type Chemistry of Rhodium and Iridium Complexes with 'non-innocent' Nitrido and PNN Pincer Ligands by : Christophe Rebreyend

Download or read book The Radical-type Chemistry of Rhodium and Iridium Complexes with 'non-innocent' Nitrido and PNN Pincer Ligands written by Christophe Rebreyend and published by . This book was released on 2018 with total page 165 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Reaction of Pentacyclodecanes with Rhodium (I)-diene Complexes

Author : Dennis Ray Patterson
Publisher :
ISBN 13 :
Total Pages : 170 pages
Book Rating : 4.:/5 (287 download)

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Book Synopsis The Reaction of Pentacyclodecanes with Rhodium (I)-diene Complexes by : Dennis Ray Patterson

Download or read book The Reaction of Pentacyclodecanes with Rhodium (I)-diene Complexes written by Dennis Ray Patterson and published by . This book was released on 1974 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Rhodium and Iridium Complexes of 2-aminobiphenyl and 1-aminonaphthalene Based Ligands

Author : Ronitte Libedinsky
Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.:/5 (875 download)

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Book Synopsis Rhodium and Iridium Complexes of 2-aminobiphenyl and 1-aminonaphthalene Based Ligands by : Ronitte Libedinsky

Download or read book Rhodium and Iridium Complexes of 2-aminobiphenyl and 1-aminonaphthalene Based Ligands written by Ronitte Libedinsky and published by . This book was released on 2002 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:

SYNTHESE DE NOUVEAUX COMPLEXES DE RHODIUM (I) ET D'IRIDIUM (I) CONTENANT DES LIGANDS TRIDENTATES MIXTES. UTILISATION EN CATALYSE HOMOGENE D'HYDROGENATION

Download SYNTHESE DE NOUVEAUX COMPLEXES DE RHODIUM (I) ET D'IRIDIUM (I) CONTENANT DES LIGANDS TRIDENTATES MIXTES. UTILISATION EN CATALYSE HOMOGENE D'HYDROGENATION PDF Online Free

Author : Jean-Pierre Masson
Publisher :
ISBN 13 :
Total Pages : 238 pages
Book Rating : 4.:/5 (49 download)

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Book Synopsis SYNTHESE DE NOUVEAUX COMPLEXES DE RHODIUM (I) ET D'IRIDIUM (I) CONTENANT DES LIGANDS TRIDENTATES MIXTES. UTILISATION EN CATALYSE HOMOGENE D'HYDROGENATION by : Jean-Pierre Masson

Download or read book SYNTHESE DE NOUVEAUX COMPLEXES DE RHODIUM (I) ET D'IRIDIUM (I) CONTENANT DES LIGANDS TRIDENTATES MIXTES. UTILISATION EN CATALYSE HOMOGENE D'HYDROGENATION written by Jean-Pierre Masson and published by . This book was released on 1999 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: DANS LA PREMIERE PARTIE DE NOS TRAVAUX, NOUS NOUS SOMMES INTERESSES A LA SYNTHESE ET A LA COMPLEXATION DE LIGANDS TRIDENTATES DE SYMETRIE C 2, DE TYPE P-N-P, PUIS A L'UTILISATION DES COMPLEXES CORRESPONDANTS EN CATALYSE D'HYDROGENATION. NOUS AVONS TOUT D'ABORD ETUDIE LES PROPRIETES CATALYTIQUES DE COMPLEXES DE RHODIUM PORTANT LE LIGAND ACHIRAL 2,6-BIS(DIPHENYLPHOSPHINO)METHYLPYRIDINE (PNP). LE CATALYSEUR RH(PNP)CL S'EST AINSI AVERE TRES ACTIF POUR L'HYDROGENATION DE DIFFERENTES OLEFINES, AUSSI BIEN CYCLIQUES QU'ENCOMBREES. NOUS NOUS SOMMES ENSUITE CONSACRES AU DEVELOPPEMENT DE LIGANDS CHIRAUX ANALOGUES, DE TYPE DIPHOSPHINE OU DIPHOSPHINITE TELS QUE MEN-PONOP*. EN PARTICULIER, DES COMPLEXES CATIONIQUES DE RHODIUM ET D'IRIDIUM, DE TYPE M(DIENE)(MEN-PONOP*)X (M = RH, IR ; DIENE = NBD, COD) ONT PU ETRE CARACTERISES ET TESTES COMME CATALYSEURS EN HYDROGENATION ASYMETRIQUE DES OLEFINES ET DES IMINES. MALGRE DE BONNES ACTIVITES, CES COMPLEXES ONT REVELE DE MODESTES ENANTIOSELECTIVITES POUR LA REDUCTION DE DIFFERENTS SUBSTRATS PROCHIRAUX. LA DEUXIEME PARTIE DE CETTE THESE TRAITE DE L'UTILISATION DE LIGANDS ACHIRAUX NON SYMETRIQUES HEMILABILES, DE TYPE P-N-N. LES LIGANDS PYRIDYLIMINOPHOSPHINES CHOISIS DIFFERENT PAR LA LONGUEUR DU BRAS RELIANT LES DEUX FONCTIONS AZOTEES, AVEC UN OU DEUX GROUPEMENTS METHYLENES, RESPECTIVEMENT, POUR PNN ET PNN. LES ETUDES DE COMPLEXATION VIS-A-VIS DU RHODIUM ET DE L'IRIDIUM, ONT CONDUIT A LA CARACTERISATION DE DIVERSES ESPECES CATIONIQUES OU NEUTRES, AVEC DANS TOUS LES CAS UNE COORDINATION TRIDENTATE DU LIGAND ; CECI A ETE CONFIRME PAR LES ANALYSES CRISTALLOGRAPHIQUES DES COMPOSES CATIONIQUES DE FORMULE M(DIENE)(P-N-N)X (M = RH, IR). TOUS LES COMPLEXES SYNTHETISES ONT ETE TESTES EN HYDROGENATION DES IMINES ET DES OLEFINES. EN PARTICULIER, LES CATALYSEURS DE TYPE RH(P-N-N)CL (P-N-N = PNN, PNN) SE SONT AVERES TRES ACTIFS POUR LA REDUCTION DE DIVERS SUBSTRATS OLEFINIQUES PLUS OU MOINS ENCOMBRES.

Olefin Polymerization

Author : Walter Kaminsky
Publisher : Wiley-VCH
ISBN 13 : 9783527317424
Total Pages : 0 pages
Book Rating : 4.3/5 (174 download)

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Book Synopsis Olefin Polymerization by : Walter Kaminsky

Download or read book Olefin Polymerization written by Walter Kaminsky and published by Wiley-VCH. This book was released on 2006-08-18 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: With an enormous velocity, olefin polymerization has expanded to one of the most significant fields in polymers since the first industrial use about 50 years ago. In 2005, 100 million tons of polyolefins were produced - the biggest part was catalyzed by metallorganic compounds. The Hamburg Macromolecular Symposium 2005 with the title "Olefin Polymerization" involved topics such as new catalysts and cocatalysts, kinetics, mechanism and polymer reaction engineering, synthesis of special polymers, and characterization of polyolefins. The conference combined scientists from different disciplines to discuss latest research results of polymers and to offer each other the possibility of cooperation. This is reflected in this volume, which contains invited lectures and selected posters presented at the symposium.

Nucleophilic Aromatic Substitution of Hydrogen

Author : Oleg N. Chupakhin
Publisher : Academic Press
ISBN 13 : 0323140599
Total Pages : 378 pages
Book Rating : 4.3/5 (231 download)

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Book Synopsis Nucleophilic Aromatic Substitution of Hydrogen by : Oleg N. Chupakhin

Download or read book Nucleophilic Aromatic Substitution of Hydrogen written by Oleg N. Chupakhin and published by Academic Press. This book was released on 2012-12-02 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nucleophilic aromatic substitution in carbo- and heteroaromatic systems is a subject of considerable interest to chemists. This book uniquely addresses the systematic analysis of a vast range of nucleophilic substitutions of aromatic hydrogen. Nucleophilic displacement of hydrogen (the S N/H reactions) in pi-deficient aromatics, such as nitroarenes, arene-metal complexes, and the like Nucleophilic displacement of hydrogen in heterocyclic substrates such as pyridines, their aza and benzo analogs, pyrylium and thiapyrylium cations, and other heterocycles Mechanisms for the S N/H reactions (S N/H(AE), vicarious nucleophilic substitutions, and radical S N/H substitutions

Hydrogen Bonding in Organic Synthesis

Author : Petri M. Pihko
Publisher : John Wiley & Sons
ISBN 13 : 3527627855
Total Pages : 395 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Hydrogen Bonding in Organic Synthesis by : Petri M. Pihko

Download or read book Hydrogen Bonding in Organic Synthesis written by Petri M. Pihko and published by John Wiley & Sons. This book was released on 2009-09-09 with total page 395 pages. Available in PDF, EPUB and Kindle. Book excerpt: This first comprehensive overview of the rapidly growing field emphasizes the use of hydrogen bonding as a tool for organic synthesis, especially catalysis. As such, it covers such topics as enzyme chemistry, organocatalysis and total synthesis, all unified by the unique advantages of hydrogen bonding in the construction of complex molecules from simple precursors. Providing everything you need to know, this is a definite must for every synthetic chemist in academia and industry.

Directed Metallation

Author : Naoto Chatani
Publisher : Springer Science & Business Media
ISBN 13 : 3540758089
Total Pages : 214 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Directed Metallation by : Naoto Chatani

Download or read book Directed Metallation written by Naoto Chatani and published by Springer Science & Business Media. This book was released on 2007-10-30 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides the broad scientific readership with a comprehensive summary and critical overview of a topic in organometallic chemistry. A wide variety of catalytic functionalization reactions of C-H bonds by the utilization of a chelation have been developed recently and are comprehensively discussed in this book by leading experts. In addition, new approaches to directed hydrometalation and directed carbometalation as a key step are also discussed.

Metal Catalyzed Cascade Reactions

Author : Thomas J.J. Müller
Publisher : Springer
ISBN 13 : 3540329595
Total Pages : 0 pages
Book Rating : 4.5/5 (43 download)

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Book Synopsis Metal Catalyzed Cascade Reactions by : Thomas J.J. Müller

Download or read book Metal Catalyzed Cascade Reactions written by Thomas J.J. Müller and published by Springer. This book was released on 2006-06-27 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights cyclization via carbopalladation and acylpalladation and Heck-pericyclic sequences. They discuss p-allyl palladium-based cascade reactions, Michael-type additions as an entry to transition-metal-promoted cyclizative transformations, and sequential or consecutive palladium-catalyzed processes, and show Pauson-Khand cascades, metal-catalyzed cyclizations of acyclic precursors, as well as cascade and sequential ruthenium-catalyzed transformations. This is a comprehensive overview of an exciting and highly dynamic, and innovative methodological concept.

New Aspects of Zirconium Containing Organic Compounds

Author : Ilan Marek
Publisher : Springer Science & Business Media
ISBN 13 : 9783540222217
Total Pages : 200 pages
Book Rating : 4.2/5 (222 download)

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Book Synopsis New Aspects of Zirconium Containing Organic Compounds by : Ilan Marek

Download or read book New Aspects of Zirconium Containing Organic Compounds written by Ilan Marek and published by Springer Science & Business Media. This book was released on 2005-02-18 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal carbene complexes have made their way from organometallic curiosities to valuable reagents and catalysts. They offer novel synthetic opportunities in carbon-carbon bond formation based on either carbene-centered reactions or on metal-templated processes which makes them indispensable in modern synthetic methodology. The most prominent metal carbenes are now either commercially available or easy to synthesize and handle with modern laboratory techniques. This volume organized in eight chapters written by the leading scientists in the field illustrates the theoretical background, non-classical nucleophilic and cycloaddition patterns, chromium-templated benzannulation and photo-induced reactions, rhodium-catalyzed carbene transfer as well as the principles and applications of olefin metathesis which has coined the progress in synthetic methodology over the past decade. Designed for researchers in academia and industry as well as graduate students it presents the state-of-the-art potential of carbene complexes in modern organic synthesis.

Selectivity in Organic Synthesis

Author : Robert S. Ward
Publisher : John Wiley & Sons
ISBN 13 : 0471987794
Total Pages : 197 pages
Book Rating : 4.4/5 (719 download)

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Book Synopsis Selectivity in Organic Synthesis by : Robert S. Ward

Download or read book Selectivity in Organic Synthesis written by Robert S. Ward and published by John Wiley & Sons. This book was released on 1999-05-04 with total page 197 pages. Available in PDF, EPUB and Kindle. Book excerpt: Selectivity is an increasingly important part of organic synthesis. The whole basis of organic chemistry, and especially organic synthesis, depends upon the selectivity which can be achieved in organic reactions. This concise textbook describes the strategies which can be adopted to improve selectivity, and the reactions which have been specially designed to afford high selectivity. The aim is to illustrate the range of processes to which these principles can be applied and the high degree of selectivity which can be achieved. Selectivity in Organic Synthesis aims to provide a solid introduction to this subject, focusing on the key areas and applications.

Catalytic Carbonylation Reactions

Author : Matthias Beller
Publisher : Springer Science & Business Media
ISBN 13 : 354033002X
Total Pages : 289 pages
Book Rating : 4.5/5 (43 download)

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Book Synopsis Catalytic Carbonylation Reactions by : Matthias Beller

Download or read book Catalytic Carbonylation Reactions written by Matthias Beller and published by Springer Science & Business Media. This book was released on 2006-09-14 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbonylation reactions are of major importance in both organic and industrial chemistry. Due to the availability, price and reactivity pattern, carbon monoxide is becoming a more and more important building block for fine and bulk chemicals. The major reaction types of carbon monoxide are comprehensively discussed by leading experts from academia and industry. The authors highlight important carbonylation reactions such as hydroformylation, alkoxy-carbonylations, co/olefin-copolymerization, Pauson-Khand reactions and others. They illustrate applications in organic synthesis and give industrial examples. This volume is designed to provide graduate students and researchers with essential information on the use of carbon monoxide in organic synthesis. Therefore, the reader will get a balanced view of this developing and complex subject.