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Oxo And Imido Transfer Reactions Mediated By Ruthenium And Manganese Complexes Containing Chiral Porphyrin And Oxazolinyl Ligands
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Book Synopsis Oxo and Imido Transfer Reactions Mediated by Ruthenium and Manganese Complexes Containing Chiral Porphyrin and Oxazolinyl Ligands by : 黎達成
Download or read book Oxo and Imido Transfer Reactions Mediated by Ruthenium and Manganese Complexes Containing Chiral Porphyrin and Oxazolinyl Ligands written by 黎達成 and published by Open Dissertation Press. This book was released on 2017-01-27 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Oxo and Imido Transfer Reactions Mediated by Ruthenium and Manganese Complexes Containing Chiral Porphyrin and Oxazolinyl Ligands" by 黎達成, Tat-shing, Lai, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. DOI: 10.5353/th_b3123718 Subjects: Oxo process Ruthenium compounds Manganese alloys
Book Synopsis Oxo and Imido Transfer Reactions Mediated by Ruthenium and Manganese Complexes Containing Chiral Porphyrin and Oxazolinyl Ligands by : Tat-shing Lai
Download or read book Oxo and Imido Transfer Reactions Mediated by Ruthenium and Manganese Complexes Containing Chiral Porphyrin and Oxazolinyl Ligands written by Tat-shing Lai and published by . This book was released on 1998 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of Oxo and Imido Transfer Reactions Mediated by Molybdenum Complexes by : Anurag Shanker Srivastava
Download or read book A Study of Oxo and Imido Transfer Reactions Mediated by Molybdenum Complexes written by Anurag Shanker Srivastava and published by . This book was released on 1991 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ruthenium Porphyrins and Dirhodium (II, II) Carboxylates Catalyzed Ylide-Mediated Cycloadditions and Carbenoid Transfer Reactions by : Congying Zhou
Download or read book Ruthenium Porphyrins and Dirhodium (II, II) Carboxylates Catalyzed Ylide-Mediated Cycloadditions and Carbenoid Transfer Reactions written by Congying Zhou and published by Open Dissertation Press. This book was released on 2017-01-27 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Ruthenium Porphyrins and Dirhodium (II, II) Carboxylates Catalyzed Ylide-mediated Cycloadditions and Carbenoid Transfer Reactions" by Congying, Zhou, 周聰穎, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: Abstract of thesis entitled RUTHENIUM PORPHYRINS AND DIRHODIUM (II, II) CARBOXYLATES CATALYZED YLIDE-MEDIATED CYCLOADDITIONS AND CARBENOID TRANSFER REACTIONS Submitted by Zhou Congying for the degree of Doctor of Philosophy at The University of Hong Kong in January 2004 The ruthenium porphyrin-catalyzed reactions of diazo ketones with π- unsaturated compounds via carbonyl ylide formation/cycloaddition cascade exhibit product yields and selectivities comparable to the analogous reactions with dirhodium carboxylates as catalysts. Employing 1-diazo-2,5-hexanedione and methyl acrylate as substrates, the regio- and stereoselectivities showed modest variation with electron- donating or electron-withdrawing substituents on the porphyrin ring. The sterically II bulky [Ru(TMP)(CO)] [HTMP = meso-tetrakis(mesityl)porphyrin] and II [Ru(TDCPP)(CO)] [HTDCPP = meso-tetrakis(2,6-dichlorophenyl)porphyrin] complexes are also effective for the cycloaddition reactions; good regioselectivities II were observed as compared to the [Ru (TTP)(CO)]- and [Rh (CH CO ) ]-catalyzed 2 3 2 4 II reactions. A ruthenium-carbene complex was prepared by reacting [Ru (TTP)(CO)] with methyl 2-diazo-3,6-dioxoheptanoate. It was found that soluble polymer- supported ruthenium porphyrin was an effective catalyst for tandem carbonyl ylide formation and 1,3-dipolar cycloaddition reactions. This catalyst is recyclable and 5700 product turnovers were attained for the reaction of 1-diazo-2,5-hexanedione with DMAD. The diastereoselectivity of the Ru-catalyzed tandem carbonyl ylide formation/1,3-dipolar cycloaddition reaction was studied. It was found that the substitution pattern of the substrates strongly affects the selectivity of the reaction, whereas the ruthenium porphyrin structure and reaction temperature have little effect on the diastereoselectivity. The diastereoselectivity of the cycloaddition of carbonyl ylides derived from sterically bulky α-diazoketones was found to be substrate- dependant. Only moderate cis: trans ratios were observed, regardless of the conditions and the type of catalyst employed. In the 3-substituted-1-diazo-5-phenyl-2,5- pentanedione system, full stereo-control was realized and the cis-isomer was obtained in good yield. Ruthenium porphyrins are effective catalysts for tandem sulfonium/ammonium ylide formation and [2,3]-sigmatropic rearrangement reactions. In most cases, the reactions take place at mild reaction conditions (50 C) with high product yields being achieved. Neither cyclopropanation nor Stevens [1,2]-insertion were observed for the Ru-catalyzed reactions. Intramolecular sulfonium/ammonium ylide formation followed by a [2,3]-sigmatropic rearrangement was also achieved using II [Ru (TTP)(CO)] as catalyst. Alkyl α-diazomethanesulfonates were synthesized in good to modest yields via detrifluoroacetylating diazotransfer reaction. [Rh (CH CO) ]-catalyzed intermolecular 2 3 4 alkene cyclopropanation with α-diazomethanesulfonates usually afforded high yields (up to 91%) of cyclopropanesulfonates but with low diastereoselectivity (anti: syn
Book Synopsis Asymmetric Organic Oxidation by Chiral Ruthenium Complexes Containing D2 and D4 Symmetric Porphyrinato Ligands by : Rui Zhang
Download or read book Asymmetric Organic Oxidation by Chiral Ruthenium Complexes Containing D2 and D4 Symmetric Porphyrinato Ligands written by Rui Zhang and published by Open Dissertation Press. This book was released on 2017-01-27 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Asymmetric Organic Oxidation by Chiral Ruthenium Complexes Containing D2 and D4 Symmetric Porphyrinato Ligands" by Rui, Zhang, 張瑞, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. DOI: 10.5353/th_b4257624 Subjects: Ruthenium compounds - Oxidation Porphyrin and porphyrin compounds Ligands
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 Iron Catalysis in Organic Chemistry by : Bernd Plietker
Download or read book Iron Catalysis in Organic Chemistry written by Bernd Plietker and published by John Wiley & Sons. This book was released on 2008-09-08 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: This first comprehensive book to cover this exciting field also deals with the biological aspects, such as enzymes with iron. Following an introduction, this handy reference and handbook goes on to deal with reductions, oxidations of C, H- and C=C bonds, oxidative allylic oxygenation and amination, the oxidation of heteroatoms, cross coupling reactions, aromatic and nucleophilic substitutions, addition to carbonyl compounds, and cyclisations as well as ring opening reactions. The chapters are clearly classified according to the reaction type, allowing readers to quickly locate the desired information.
Book Synopsis Scorpionates: The Coordination Chemistry Of Polypyrazolylborate Ligands by : Swiatoslaw Trofimenko
Download or read book Scorpionates: The Coordination Chemistry Of Polypyrazolylborate Ligands written by Swiatoslaw Trofimenko and published by World Scientific. This book was released on 1999-08-16 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals with polypyrazolylborates (scorpionates), a class of ligands known since 1966, but becoming rapidly popular with inorganic, organometallic and coordination chemists since 1986, because of their versatility and user-friendliness. They can be readily modified sterically and electronically through appropriate substitution on the pyrazole ring and on boron, and have led to a number of firsts in coordination chemistry (first stable CuCO complex, first monomeric MgR complex, and many other such firsts). Their denticity can range from two to four, their “Bite” can be adjusted, and additional coordinating sites can be added to the pyrazolyl rings. Over 170 different scorpionate ligands are known today, and some are published for the first time in this book.The author, Swiatoslaw Trofimenko, discovered and developed this ligand system and has written several reviews on the subject. The book is intended as a reference work, placing at the researcher's command practically all of the over 1500 references on the subject up, and into 1999, organized both according to the ligand type and according to the metal or metalloid being coordinated. It acquaints the reader with the special features of this ligand system and permits an assessment of what has been done in a given sub-area, and of which areas remain relatively unexplored. It presents procedures for ligand synthesis, and also covers their use in catalysis and in the modelling of biologically active substances.
Book Synopsis Catalytic Asymmetric Synthesis by : Takahiko Akiyama
Download or read book Catalytic Asymmetric Synthesis written by Takahiko Akiyama and published by John Wiley & Sons. This book was released on 2022-05-27 with total page 798 pages. Available in PDF, EPUB and Kindle. Book excerpt: Catalytic Asymmetric Synthesis Seminal text presenting detailed accounts of the most important catalytic asymmetric reactions known today This book covers the preparation of enantiomerically pure or enriched chemical compounds by use of chiral catalyst molecules. While reviewing the most important catalytic methods for asymmetric organic synthesis, this book highlights the most important and recent developments in catalytic asymmetric synthesis. Edited by two well-qualified experts, sample topics covered in the work include: Metal catalysis, organocatalysis, photoredox catalysis, enzyme catalysis C–H bond functionalization reactions Carbon–carbon bond formation reactions, carbon–halogen bond formation reactions, hydrogenations, polymerizations, flow reactions Axially chiral compounds Retaining the best of its predecessors but now thoroughly up to date with the important and recent developments in catalytic asymmetric synthesis, the 4th edition of Catalytic Asymmetric Synthesis serves as an excellent desktop reference and text for researchers and students, from upper-level undergraduates all the way to experienced professionals in industry or academia.
Book Synopsis Asymmetric Organocatalysis Combined with Metal Catalysis by : Bruce A. Arndtsen
Download or read book Asymmetric Organocatalysis Combined with Metal Catalysis written by Bruce A. Arndtsen and published by Springer Nature. This book was released on 2020-04-24 with total page 211 pages. Available in PDF, EPUB and Kindle. Book excerpt: The series Topics in Current Chemistry Collections presents critical reviews from the journal Topics in Current Chemistry organized in topical volumes. The scope of coverage is all areas of chemical science including the interfaces with related disciplines such as biology, medicine and materials science. The goal of each thematic volume is to give the non-specialist reader, whether in academia or industry, a comprehensive insight into an area where new research is emerging which is of interest to a larger scientific audience.Each review within the volume critically surveys one aspect of that topic and places it within the context of the volume as a whole. The most significant developments of the last 5 to 10 years are presented using selected examples to illustrate the principles discussed. The coverage is not intended to be an exhaustive summary of the field or include large quantities of data, but should rather be conceptual, concentrating on the methodological thinking that will allow the non-specialist reader to understand the information presented. Contributions also offer an outlook on potential future developments in the field.The chapter "Enamine/Transition Metal Combined Catalysis: Catalytic Transformations Involving Organometallic Electrophilic Intermediates" is available open access under a CC BY 4.0 License via link.springer.com.
Book Synopsis Catalysis without Precious Metals by : R. Morris Bullock
Download or read book Catalysis without Precious Metals written by R. Morris Bullock and published by John Wiley & Sons. This book was released on 2011-08-02 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written for chemists in industry and academia, this ready reference and handbook summarizes recent progress in the development of new catalysts that do not require precious metals. The research thus presented points the way to how new catalysts may ultimately supplant the use of precious metals in some types of reactions, while highlighting the remaining challenges. An essential copanion for organic and catalytic chemists, as well as those working with/on organometallics and graduate students. From the contents: * Catalysis Involving the H' Transfer Reactions of First-Row Transition Metals * Catalytic Reduction of Dinitrogen to Ammonia by Molybdenum Complexes * Molybdenum and Tungsten Catalysts for Hydrogenation, Hydrosilylation and Hydrolysis * Iron in Catalytic Alkene and Carbonyl Hydrogenation Reactions * Olefin Oligomerizations and Polymerizations Catalyzed by Iron and Cobalt Complexes * Cobalt and Nickel Catalyzed Reactions Involving C-H and C-N Activation Reactions * Development of Molecular Electrocatalysts for H2 Oxidation and Production Based on Inexpensive Metals * Nickel-Catalyzed Reductinve Couplings and Cyclizations * Copper-Catalyzed Ligand Promoted Ullmann-Type Coupling Reactions * Copper-Catalyzed Azide-Alkyne Cycloaddition * "Frustrated Lewis Pairs": A Metal-Free Strategy for Hydrogenation Catalysis
Book Synopsis Structural Phase Transitions by : A. D. Bruce
Download or read book Structural Phase Transitions written by A. D. Bruce and published by . This book was released on 1981 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Metal Complexes written by Xue Duan and published by Springer. This book was released on 1981-03-01 with total page 204 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 N-Heterocyclic Carbenes in Transition Metal Catalysis by : Frank Glorius
Download or read book N-Heterocyclic Carbenes in Transition Metal Catalysis written by Frank Glorius and published by Springer. This book was released on 2007-02-05 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book leading experts have surveyed major areas of application of NHC metal complexes in catalysis. The authors have placed a special focus on nickel- and palladium-catalyzed reactions, on applications in metathesis reactions, on oxidation reactions and on the use of chiral NHC-based catalysts. This compilation is rounded out by an introductory chapter and a chapter dealing with synthetic routes to NHC metal complexes.
Book Synopsis The Organometallic Chemistry of the Transition Metals by : Robert H. Crabtree
Download or read book The Organometallic Chemistry of the Transition Metals written by Robert H. Crabtree and published by John Wiley & Sons. This book was released on 2005-06-14 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fully updated and expanded to reflect recent advances, this Fourth Edition of the classic text provides students and professional chemists with an excellent introduction to the principles and general properties of organometallic compounds, as well as including practical information on reaction mechanisms and detailed descriptions of contemporary applications.
Book Synopsis Amino Group Chemistry by : Alfredo Ricci
Download or read book Amino Group Chemistry written by Alfredo Ricci and published by John Wiley & Sons. This book was released on 2008-06-25 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: Here, probably the most important functional group in organic chemistry is discussed in one handy volume. The monograph covers its application -- from natural products to synthetic pharmaceuticals -- detailing complex syntheses using the amino group as templates and modern techniques focussing on the introduction of the amino group. A definitive must-have for every chemist.
