Trimetallic N-heterocyclic Carbene Complexes
Author | : Charles Edward Brian Ellul |
Publisher | : |
Total Pages | : |
Release | : 2011 |
Genre | : |
ISBN | : |
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Author | : Charles Edward Brian Ellul |
Publisher | : |
Total Pages | : |
Release | : 2011 |
Genre | : |
ISBN | : |
Author | : Michelle Nenzel |
Publisher | : |
Total Pages | : 156 |
Release | : 2013 |
Genre | : Electronic books |
ISBN | : |
Author | : Silvia Diez-Gonzalez |
Publisher | : Royal Society of Chemistry |
Total Pages | : 637 |
Release | : 2016-11-04 |
Genre | : Science |
ISBN | : 1782626816 |
In less than 20 years N-heterocyclic carbenes (NHCs) have become well-established ancillary ligands for the preparation of transition metal-based catalysts. This is mainly due to the fact that NHCs tend to bind strongly to metal centres, avoiding the need of excess ligand in catalytic reactions. Also, NHC‒metal complexes are often insensitive to air and moisture, and have proven remarkably resistant to oxidation. This book showcases the wide variety of applications of NHCs in different chemistry fields beyond being simple phosphine mimics. This second edition has been updated throughout, and now includes a new chapter on NHC‒main group element complexes. It covers the synthesis of NHC ligands and their corresponding metal complexes, as well as their bonding and stereoelectronic properties and applications in catalysis. This is complemented by related topics such as organocatalysis and biologically active complexes. Written for organic and inorganic chemists, this book is ideal for postgraduates, researchers and industrialists.
Author | : Han Vinh Huynh |
Publisher | : John Wiley & Sons |
Total Pages | : 352 |
Release | : 2017-01-23 |
Genre | : Science |
ISBN | : 1118698800 |
The Organometallic Chemistry of N-heterocyclic Carbenes describes various aspects of N-heterocyclic Carbenes (NHCs) and their transition metal complexes at an entry level suitable for advanced undergraduate students and above. The book starts with a historical overview on the quest for carbenes and their complexes. Subsequently, unique properties, reactivities and nomenclature of the four classical NHCs derived from imidazoline, imidazole, benzimidazole and 1,2,4-triazole are elaborated. General and historically relevant synthetic aspects for NHCs, their precursors and complexes are then explained. The book continues with coverage on the preparation and characteristics of selected NHC complexes containing the most common metals in this area, i.e. Ni, Pd, Pt, Ag, Cu, Au, Ru, Rh and Ir. The book concludes with an overview and outlook on the development of various non-classical NHCs beyond the four classical types. Topics covered include: Stabilization, dimerization and decomposition of NHCs Stereoelectronic properties of NHCs and their evaluation Diversity of NHCs Isomers of NHC complexes and their identification NMR spectroscopic signatures of NHC complexes normal, abnormal and mesoionic NHCs The Organometallic Chemistry of N-heterocyclic Carbenes is an essential resource for all students and researchers interested in this increasingly important and popular field of research.
Author | : Steven P. Nolan |
Publisher | : John Wiley & Sons |
Total Pages | : 690 |
Release | : 2014-07-07 |
Genre | : Science |
ISBN | : 3527671242 |
This comprehensive reference and handbook covers in depth all major aspects of the use of N-heterocyclic carbene-complexes in organic synthesis: from the theoretical background to characterization, and from cross-coupling reactions to olefin metathesis. Edited by a leader and experienced scientist in the field of homogeneous catalysis and use of NHCs, this is an essential tool for every academic and industrial synthetic chemist.
Author | : David McGuinness |
Publisher | : LAP Lambert Academic Publishing |
Total Pages | : 172 |
Release | : 2009 |
Genre | : Carbenes (Methylene compounds) |
ISBN | : 9783838321363 |
N-heterocyclic carbenes have become established as efficient ancillary ligands for homogeneous catalysis, and an increasing number of catalytic transformations have been carried out using transition-metal carbene complexes. This book describes the synthesis of a broad range of heterocyclic carbene complexes of transition metals, their fundamental reaction chemistry and their use as catalysts in a number of reactions. Mechanistic studies have been performed in order to gain insight into likely catalytic cycles and the decomposition processes of the complexes. The reductive elimination of carbenes with alkyl, aryl, acyl and hydride groups to give the imidazolium cation was discovered, and it was demonstrated that this reaction represents a serious mode to catalyst deactivation for late transition metals. Some strategies to alleviate this effect have been identified, resulting in the development of highly active catalysts for a number of reactions.
Author | : Frank Glorius |
Publisher | : Springer |
Total Pages | : 0 |
Release | : 2010-11-19 |
Genre | : Science |
ISBN | : 9783642071973 |
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.
Author | : Michael Holtz-Mulholland |
Publisher | : |
Total Pages | : |
Release | : 2014 |
Genre | : |
ISBN | : |
Author | : Kirsty June Hawkes |
Publisher | : |
Total Pages | : 464 |
Release | : 2006 |
Genre | : Carbenes |
ISBN | : |
Author | : Steven P. Nolan |
Publisher | : John Wiley & Sons |
Total Pages | : 322 |
Release | : 2006-12-13 |
Genre | : Science |
ISBN | : 3527609407 |
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.