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Synthesis And Reactivity Of Rhodium And Iridium Silyl And Silylene Complexes Supported By Pnp Pincer Ligands
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Book Synopsis Synthesis and Reactivity of Rhodium and Iridium Silyl and Silylene Complexes Supported by PNP Pincer Ligands by : Elisa E. Calimano
Download or read book Synthesis and Reactivity of Rhodium and Iridium Silyl and Silylene Complexes Supported by PNP Pincer Ligands written by Elisa E. Calimano and published by . This book was released on 2009 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis and Reactivity of Rhodium and Iridium Complexes Supported by New Silyl Pincer Ligands by : MacLean Darren F.
Download or read book Synthesis and Reactivity of Rhodium and Iridium Complexes Supported by New Silyl Pincer Ligands written by MacLean Darren F. and published by . This book was released on 2008 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rhodium and Iridium Pincer Complexes Supported by Bis(phosphino)silyl Ligation by : Erin Morgan
Download or read book Rhodium and Iridium Pincer Complexes Supported by Bis(phosphino)silyl Ligation written by Erin Morgan and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis and Organometallic Chemistry of Rhodium and Iridium Complexes of Macrocyclic PNP and PONOP Pincer Ligands by : Thomas M. Hood
Download or read book Synthesis and Organometallic Chemistry of Rhodium and Iridium Complexes of Macrocyclic PNP and PONOP Pincer Ligands written by Thomas M. Hood and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis and Organometallic Chemistry of Rhodium and Iridium Complexes of Macrocyclic PCP and POCOP Pincer Ligands by : Baptiste Leforestier
Download or read book Synthesis and Organometallic Chemistry of Rhodium and Iridium Complexes of Macrocyclic PCP and POCOP Pincer Ligands written by Baptiste Leforestier and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis, Characterization, and Reactivity of Rhodium and Iridium Phosphine Complexes Containing Sulfur Ligands Resulting from Reactions with H2S by : Ann Marie Mueting
Download or read book Synthesis, Characterization, and Reactivity of Rhodium and Iridium Phosphine Complexes Containing Sulfur Ligands Resulting from Reactions with H2S written by Ann Marie Mueting and published by . This book was released on 1985 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis I. Synthesis and Reactivity of Chiral Iridium(III) and Rhodium(III) Complexes by : Stuart Edward Smith
Download or read book I. Synthesis and Reactivity of Chiral Iridium(III) and Rhodium(III) Complexes written by Stuart Edward Smith and published by . This book was released on 2008 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis and Reactivity of Group 10 Silyl Pincer Complexes by : Samuel Mitton
Download or read book Synthesis and Reactivity of Group 10 Silyl Pincer Complexes written by Samuel Mitton and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis and Characterization of Rhodium and Iridium Complexes with the Bis(dimethylsilylcyclopentadienyl) Ligand by : Gordon J. Hunter
Download or read book Synthesis and Characterization of Rhodium and Iridium Complexes with the Bis(dimethylsilylcyclopentadienyl) Ligand written by Gordon J. Hunter and published by . This book was released on 2005 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis N-heterocyclic Silyl and Silylene Metal Complexes Within a PSIP Framework by : Amy Marie Jehl
Download or read book N-heterocyclic Silyl and Silylene Metal Complexes Within a PSIP Framework written by Amy Marie Jehl and published by . This book was released on 2019 with total page 237 pages. Available in PDF, EPUB and Kindle. Book excerpt: N-heterocyclic carbenes (NHC) are strong Lewis bases that have demonstrated broad utility as ligands for transition metal (TM) catalysts. Silicon analogues, N-heterocyclic silylenes (NHSi), are comparatively less well studied. The decreased [Pi]-[pi] overlap between the Si 3p orbital and adjacent nitrogen lone pairs creates a more accessible vacant orbital on Si, resulting in increased ambiphilic character. When bound to a transition metal, this empty orbital presents an opportunity to cooperatively bind and activate substrate molecules. To increase the stability of a potential metal-silylene complex we targeted the diphosphine ligand precursor 1,2-bis(R2PCH2NCH2)C6H4 (R = alkyl or aryl), first reported by Yamashita and Nozaki in the construction of a boron-anchored pincer. Reported here are (PCy)2Si pincer ligands and their TM-silylene complexes for small molecule activation.
Book Synopsis Rhodium and Iridium Complexes Supported by Chelating Bis-N-heterocyclic Carbene Ligands by : Roxy Joanne Lowry
Download or read book Rhodium and Iridium Complexes Supported by Chelating Bis-N-heterocyclic Carbene Ligands written by Roxy Joanne Lowry and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: ABSTRACT: Eighty-five percent of all industrial chemical processes occur catalytically. The world's expanding appetite for mass production of exotic chemicals necessitates the design and application of enhanced catalysts. To optimize catalytic materials, the detailed relationships between catalyst architecture and reactivity must be determined. Although for many ligand families these relationships are well understood, novel catalysts require in depth empirical investigation to determine these connections. The design of a novel di-N-heterocyclic carbene family of ligands in reported herein. These C2 symmetric ligands are based on the rigid 9,10-dihydro-9,10-ethanoanthracene backbone and designed for utilization in chiral catalysis. Thorough investigation into the relationships between the ligand's structure and the architecture of the resulting rhodium and iridium catalysts directed the design of three generations of our novel ligand family. The first generation, trans-1,1'-[9,10-dihydro-9,10-ethanoanthracene-11,12- diyldimethanediyl]bis(benzylimidazole) bis(triflouromethansulfonate) [DEAM-BI](OTf)2 (2-1), is too flexible to enforce a rigid chiral pocket about a metal center under catalytic conditions. The constrained second generation ligands, trans-1,1'-(9,10-dihydro-9,10-ethanoanthracene.
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:
Book Synopsis Synthesis of Electrophilic Rhodium and Iridium Complexes and Investigation of Reactivity for C-H Bond Activation and Functionalization by : Kate E. Allen
Download or read book Synthesis of Electrophilic Rhodium and Iridium Complexes and Investigation of Reactivity for C-H Bond Activation and Functionalization written by Kate E. Allen and published by . This book was released on 2013 with total page 173 pages. Available in PDF, EPUB and Kindle. Book excerpt: Direct methods for the transformation of alkanes into alcohols, alkenes, amines and other functionalized products would have a great impact on industrial processes. In this thesis the work described is aimed at developing electrophilic Rh and Ir systems to promote C-H bond activation and functionalization of alkanes and arenes. Several approaches have been taken to prepare the target complex [Tp*Ir(OH2)3]+ (Tp* = hydridotris(3,5-dimethylpyrazoyl)borate). While this species has not been synthesized, C-N coupling between ethylene and N-iodosuccinimide has been observed during the course of this study and is promoted by Tp*Ir(C2H4)2. Electrophilic Rh and Ir complexes bearing dimethylbutadiene (DMB) ligands have been found to be poor species for C-H activation due to low stability at elevated temperatures. Interestingly, formation of the unique five-coordinate [(DMB)Ir(COE)Cl]2 dimer has been observed. Alkane dehydrogenation using ([superscript dm]Phebox)Ir(OAc)2(OH2) ([superscript dm]Phebox = 2,6-bis(4,4-dimethyloxazolinyl)-3,5-dimethylphenyl) is promoted at 200 °C and results in quantitative formation of olefin and (([superscript dm]Phebox)Ir(OAc)H. At early reaction times 1-octene is the major product, supporting terminal C-H activation by the Ir center. Oxygen can be utilized in this system as a hydrogen acceptor to promote regeneration of the Ir bisacetate species at room temperature. This is the first example of regeneration of a complex for dehydrogenation using oxygen. Unfortunately, the system is not catalytic as the reaction with oxygen is not compatible with the high temperatures required for C-H bond activation. In order to expand the number of examples of alkane dehydrogenation at Ir[superscript III] centers, a second system utilizing the [superscript tBu]NOCON ([superscript tBu]NOCON = 4,6-di-tert-butyl-(1,3-bis(2-pyridyloxy)benzene)) pincer ligand has been developed. Complexes ([superscript tBu] NOCON)M(OAc)2OH2 (M = Rh or Ir) were synthesized and explored for C-H bond functionalization. The Ir analogue promotes alkane dehydrogenation at 200 °C, but is not stable under the reaction conditions. Arene functionalization has also been explored using Ir-aryl complexes. The product of benzene C-H activation, (Phebox)Ir(OAc)Ph has been investigated for arene functionalization using hypervalent iodide reagents and CO. Reactions utilizing C6F5I(TFA)2 are promising and may potentially yield functionalized arene. Coordination of CO to the Ir center has been observed and isomerization of the trans product, ([superscript dm]Phebox)Ir(CO)(OAc)Ph, occurs at room temperature to yield the cis isomer ([superscript dm] Phebox)Ir(OAc)(CO)Ph.
Book Synopsis Synthesis and Reactivity of Me4PCP and Me4POCOP Iridium Complexes by : Travis T. Lekich
Download or read book Synthesis and Reactivity of Me4PCP and Me4POCOP Iridium Complexes written by Travis T. Lekich and published by . This book was released on 2018 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis describes new syntheses of [superscript]Me4 PCP and [superscript]Me4 POCOP pincer ligands ([superscript]R4PCP = 1,3-bis(dialkylphosphinomethyl)-benzene; R4POCOP = 1,3-bis(dialkylphosphinito)-benzene), and the coordination chemistry of the corresponding iridium complexes. Bis(dimethyl)phosphine ligands have been difficult to synthesize because their precursors are expensive or dangerous to obtain. As such, they have not been as extensively studied as the larger [superscript]R4PCP (R = [superscript]t Bu, [superscript]i Pr) derivatives. Chapter 2 shows that aminophosphines, which can be safely synthesized on large scales, are excellent precursors to bis(dimethyl)phosphine ligands: Me4PCP, Me4POCOP, and DMPE. Iridium complexes of [superscript]Me4 PCP and [superscript]Me4 POCOP show similar and novel reactivity compared to that of larger analogs (R = [superscript]t Bu, [superscript]i Pr). Chapter 3 illustrates the steric environment of ([superscript]Me4 PCP)Ir(CO) through structure and reactivity comparisons. Chapter 4 describes the facile nature of H2 addition to (Me4PCP)Ir(CO) and subsequent isomerization. The nature of this reaction allowed us to investigate the isomerization mechanism and revealed that the isomerization likely proceeds through a CO insertion pathway. Chapter 4 also reports the surprising reactivity of DCM and silver acetate with ([superscript]Me4 PCP)Ir(CO), which likely is facilitated by the ligand’s reduced steric profile.
Book Synopsis Synthesis and Reactivity of [mu]-alkyl Rhodium and Iridium Complexes by : Gregory Frank Schmidt
Download or read book Synthesis and Reactivity of [mu]-alkyl Rhodium and Iridium Complexes written by Gregory Frank Schmidt and published by . This book was released on 1981 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis and Characterization of Some Rhodium and Iridium Alkyl Complexes by : Matthew Albert Kulzick
Download or read book Synthesis and Characterization of Some Rhodium and Iridium Alkyl Complexes written by Matthew Albert Kulzick and published by . This book was released on 1984 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rhodium Catalysis in Organic Synthesis by : Ken Tanaka
Download or read book Rhodium Catalysis in Organic Synthesis written by Ken Tanaka and published by John Wiley & Sons. This book was released on 2019-05-06 with total page 684 pages. Available in PDF, EPUB and Kindle. Book excerpt: An essential reference to the highly effective reactions applied to modern organic synthesis Rhodium complexes are one of the most important transition metals for organic synthesis due to their ability to catalyze a variety of useful transformations. Rhodium Catalysis in Organic Synthesis explores the most recent progress and new developments in the field of catalytic cyclization reactions using rhodium(I) complexes and catalytic carbon-hydrogen bond activation reactions using rhodium(II) and rhodium(III) complexes. Edited by a noted expert in the field with contributions from a panel of leading international scientists, Rhodium Catalysis in Organic Synthesis presents the essential information in one comprehensive volume. Designed to be an accessible resource, the book is arranged by different reaction types. All the chapters provide insight into each transformation and include information on the history, selectivity, scope, mechanism, and application. In addition, the chapters offer a summary and outlook of each transformation. This important resource: -Offers a comprehensive review of how rhodium complexes catalyze a variety of highly useful reactions for organic synthesis (e.g. coupling reactions, CH-bond functionalization, hydroformylation, cyclization reactions and others) -Includes information on the most recent developments that contain a range of new, efficient, elegant, reliable and useful reactions -Presents a volume edited by one of the international leading scientists working in the field today -Contains the information that can be applied by researchers in academia and also professionals in pharmaceutical, agrochemical and fine chemical companies Written for academics and synthetic chemists working with organometallics, Rhodium Catalysis in Organic Synthesis contains the most recent information available on the developments and applications in the field of catalytic cyclization reactions using rhodium complexes.
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