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Catalysis Hydrogenation Oxo Synthesis Hydrocracking Hydrodesulfurization Hydrogen Isotope Exchange And Related Catalytic Reactions
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Download or read book Catalysis written by Paul H. Emmett and published by . This book was released on 1957 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydrogenation, Oxo-Synthesis, Hydrocracking, Hydrodesulfurization, Hydrogen Isotope Exchange and Related Catalytic Reactions by :
Download or read book Hydrogenation, Oxo-Synthesis, Hydrocracking, Hydrodesulfurization, Hydrogen Isotope Exchange and Related Catalytic Reactions written by and published by . This book was released on 1957 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis HYDROGENATION, OXO-SYNTHESIS, HYDROCRACKING, HYDRODESULFURIZATION, HYDROGEN ISOTOPE EXCHANGE AND RELATED CATALYTIC REACTIONS. by : Paul H. Emmett
Download or read book HYDROGENATION, OXO-SYNTHESIS, HYDROCRACKING, HYDRODESULFURIZATION, HYDROGEN ISOTOPE EXCHANGE AND RELATED CATALYTIC REACTIONS. written by Paul H. Emmett and published by . This book was released on 1960 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Catalysis written by and published by . This book was released on 1954 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Catalysis written by and published by . This book was released on 1957 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Catalysis: Hydrogenation, oxo-synthesis, hydrocracking, hydrodesulfurization, hydrogen isotope exchange and related catalytic reactions by : Paul Hugh Emmett
Download or read book Catalysis: Hydrogenation, oxo-synthesis, hydrocracking, hydrodesulfurization, hydrogen isotope exchange and related catalytic reactions written by Paul Hugh Emmett and published by . This book was released on 1954 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Isotopic Exchange Reactions by : Milton Kahn
Download or read book Isotopic Exchange Reactions written by Milton Kahn and published by . This book was released on 1962 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydrogenation and Hydrogen Isotope Exchange by : Richard J. Mudd
Download or read book Hydrogenation and Hydrogen Isotope Exchange written by Richard J. Mudd and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of iridium(I)-mediated processes has expanded over the past 50 years, with new avenues of research constantly opening. To this end, the Kerr group has developed a series of cationic iridium(I) catalysts bearing a bulky NHC/phosphine ligand sphere that can effectively mediate mild hydrogen isotope exchange and olefin hydrogenation processes.Having said this, with the ever-expanding scope of NHCs and the increasing ease of access to phosphines, the possibility still exists to further improve upon these complexes with lower catalyst loadings, faster reaction times, and an improved substrate scope. To this end, this thesis details some of the work achieved throughout the last 3.5 years.Within the first chapter, progress towards more efficient olefin hydrogenation is discussed. In the first instance, highly selective hydrogenation, through the use of a directing group was targeted. Initial investigations focussed upon manipulating the counterion to the cationic iridium(I) complexes in question, and manipulating the ligand sphere through changing the nature of the phosphine and NHC. This process generated new methods for the synthesis of NHC/phosphine catalysts, and was applied to the production of a number of novel complexes. Following on from this, a highly efficient reduction process was optimised, and the selectivity therein investigated.Following on from this, the equivalent asymmetric reaction was then studied, thus entering a new field of research within the group, and therefore, requiring the development of a completely new catalyst system. This process was guided by the non-asymmetric system, and synthesis of a number of model non-chiral complexes. After thoroughly testing the newly synthesised complexes, greater understanding was gained of the requirements for a highly enantioselective reaction, and, through this, to propose a plausible selectivity model and mechanism.In chapter two, we discuss the development of NHC/phosphine catalysts in hydrogen isotope exchange, with a partiular focus on the selectivity of the exchange process. Following on from previous work in the group, this first targets the use of weakly coordinating acids as a directing group, and the impact that addition of base has upon the selectivity of the reaction.Furthermore, understanding that drug design is moving away from planar molecules, towards non-planar, sp3-rich compounds, we also investigated the possibility of exchange at positions in a molecule other than an sp2 aryl ring. This was initially observed when developing the hydrogenation methods discussed in chapter one, enabling selective sp2 exchange in conjugated olefins. This new, highly selective method of labelling was examined through a combined experimental and computational investigation, leading to a thorough understanding of the mechanism and factors governing reaction selectivity. Having progressed from sp2-aryl to sp2-non-aryl exchange, the logical progression was to next investigate sp3 exchange. Through a detailed study three protocols were developed, enabling exchange on a wide range of sp3 hybridised sites, in pharmaceutically relevant systems. These new processes were investigated mechanistically and computationally to ascertain the mechanism and selectivity of exchange.
Book Synopsis How to Find Out in Chemistry by : C. R. Burman
Download or read book How to Find Out in Chemistry written by C. R. Burman and published by Elsevier. This book was released on 2013-10-22 with total page 261 pages. Available in PDF, EPUB and Kindle. Book excerpt: How to Find Out in Chemistry: A Guide to Sources of Information indicates how to make the best possible use of the literature of chemistry. This book serves as a guide for outlining the careers available to qualified chemists and explaining how such qualifications can be obtained; assembling a library of chemistry books; describing some of the general standards on books, biographies, and theses; acquiring periodical publications; and abstracting journals. Other topics discussed include general and physical chemistry, analytical chemistry, organic and inorganic chemistry, and chemical technology. This publication is intended for undergraduates and technical college students conducting research on the implications of chemistry.
Download or read book Catalysis written by and published by . This book was released on 1957 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Catalytic Hydrogenation in Organic Synthesis by : Morris Freifelder
Download or read book Catalytic Hydrogenation in Organic Synthesis written by Morris Freifelder and published by John Wiley & Sons. This book was released on 1978-11 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on over 22 years of experience, this book presents a substantial accumulation of knowledge. Clearly and understandably written, it gives detailed descriptions of many experiments, providing step-by-step procedures along with personal notes and observations, directions, suggestions, and safety precautions. The yields obtained in these experiments are good to excellent, and most of the hydrogenations discussed are carried out under very mild conditions.
Download or read book Battelle Technical Review written by and published by . This book was released on 1958 with total page 1100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hydrogenation written by Iyad Karamé and published by BoD – Books on Demand. This book was released on 2012-10-10 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: The domain of catalytic hydrogenation continues to grow fast, reflecting the wide range of chemical applications that can be enhanced by the easy use of molecular hydrogen. The advances in characterization techniques and their application have improved our understanding of the catalytic processes and mechanisms occurring in both homogeneous and heterogeneous catalysis. The aim of this volume, although not exhaustive, is to provide a general overview of new progress of the hydrogenation reactions. This volume comprises a series of various contributions, as reviews or original articles, treating heterogeneously and homogeneously catalyzed hydrogenation reactions. It is composed of three parts: hydrogenation reactions in fine organic chemistry, hydrogenation reactions in environmental chemistry and renewable energy, and special topics in hydrogenation.
Book Synopsis Catalytic Hydrogenation and Reduction by : Edward Bradford Maxted
Download or read book Catalytic Hydrogenation and Reduction written by Edward Bradford Maxted and published by . This book was released on 1919 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Catalytic Hydrogenation in Organic Syntheses by : Rylander
Download or read book Catalytic Hydrogenation in Organic Syntheses written by Rylander and published by Elsevier. This book was released on 2012-12-02 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: Catalytic Hydrogenation in Organic Syntheses focuses on the process of catalytic hydrogenation in organic synthesis. This book gives the reader easy access to catalytic history, to show what can be done and how to do it. A variety of working generalities and common sense guides are given as aids in selecting catalytic metal, catalyst support, concentration of metal and catalyst, solvent, and reaction conditions. All manner of hydrogenation catalysts are considered and mechanisms of hydrogenation are presented at a level that is useful to the synthetic organic chemist. This volume is comprised of 15 chapters and begins with an overview of catalytic hydrogenation and heterogeneous hydrogenation catalysts, along with hydrogenation reactors and reaction conditions. The discussion then shifts to the hydrogenation of compounds such as acetylenes, olefins, aldehydes, ketones, nitriles, oximes, acids, esters, lactones, anhydrides, and nitro compounds as well as carbocyclic aromatics and heterocyclic compounds. The reader is also introduced to reductive alkylation, catalytic dehydrohalogenation, and hydrogenolysis of small rings. A chapter on miscellaneous hydrogenolyses concludes the book. This book will be of interest to organic chemists working in the field of catalytic hydrogenation.
Book Synopsis The Hydrogenation of Oils by : Carleton Ellis
Download or read book The Hydrogenation of Oils written by Carleton Ellis and published by . This book was released on 1914 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hydrogenation written by S. David Jackson and published by Walter de Gruyter GmbH & Co KG. This book was released on 2018-09-24 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives a comprehensive overview of modern hydrogenation methods used in organic synthesis. In clearly structured chapters, the authors cover the catalysts, scope and limitations of their application, and the techniques for hydrogenation of carbon-carbon, carbon-heteroatom and heteroatom-heteroatom multiple bonds.