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Author: Steven Douglas McKee
Publisher:
ISBN:
Category : Iron-nickel-cobalt alloys
Languages : en
Pages : 134
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Book Description
Author: Steven Douglas McKee
Publisher:
ISBN:
Category : Iron-nickel-cobalt alloys
Languages : en
Pages : 134
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Book Description
Author: Xiao-Feng Wu
Publisher: Royal Society of Chemistry
ISBN: 1849739358
Category : Science
Languages : en
Pages : 335
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Book Description
Heterocycle synthesis is one of the largest areas of modern organic chemistry. Heterocycles have a broad range of applications including pharmaceuticals, agrochemicals and dyes, and are the core structure to around 90% of naturally-occurring molecules. Transition metal catalysts have become favoured in heterocycle synthesis, not least because of their low cost, but also due to their relatively low environmental toxicity and biocompatibility. This book presents an overview of the state-of-the-art in transition metal catalysis for heterocycle synthesis. Each metal is discussed in turn, presenting a comprehensive source of information on the use of zinc, iron, copper, cobalt, manganese, and nickel in a sustainable and economic manner. Referencing the latest primary literature, and authored by active researchers in the field, this book is a must-have resource for anyone wishing to undertake an economic and sustainable approach to heterocycle synthesis.
Author: Yevgeny Paransky
Publisher:
ISBN:
Category :
Languages : en
Pages : 128
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Book Description
Author: R. W. Bane
Publisher:
ISBN:
Category : Cobalt
Languages : en
Pages : 84
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Book Description
Author: Rebecca Alice Musgrave
Publisher:
ISBN:
Category :
Languages : en
Pages : 634
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Book Description
Author: B.I. Kharisov
Publisher: Elsevier
ISBN: 0128110627
Category : Science
Languages : en
Pages : 470
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Book Description
Direct Synthesis of Metal Complexes provides in-depth coverage of the direct synthesis of coordination and organometallic compounds. The work is primarily organized by methods, but also covers highly relevant complexes, such as metal-polymer coordination compounds. This updated reference discusses recent developments in cryosynthesis, electrosynthesis, and tribosynthesis (popular as it doesn't require organic solvents), with special attention paid to 'greener' methodologies and approaches. Additionally, the book describes physical methods of zero-valent metal interaction with organic matter, including sputtering, ultrasonic treatment and synthesis in ionic liquids. The book presents completely new content as a follow-up to the 1999 Elsevier Science publication Direct Synthesis of Coordination and Organometallic Compounds that was edited by Dr. Garnovskii and Dr. Kharisov. - Covers current methods and techniques of metal interactions with organic media leading to metal chelates, adducts, di- and polymetallic complexes, metal-containing macrocycles, supported coordination compounds (i.e., metal complexes on carbon nanotubes), and more - Describes reactivities of distinct forms of elemental metals (powders, sheets, nanoparticles (including a host of less-common metal nanostructures) with organic phase (liquid, solid and gaseous) and water - Includes experimental procedures, with examples of direct synthesis, at the end of each chapter
Author: Cleon Alvin Mackliet
Publisher:
ISBN:
Category :
Languages : en
Pages : 168
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 183
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Book Description
Author: Chuan He
Publisher:
ISBN:
Category :
Languages : en
Pages : 300
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Book Description
Author: Tatiana Straistari
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
This work focuses on the synthesis, the characterization and the catalytic evaluation in the reduction of protons into dihydrogen, of new complexes of Ni(II), Co(III), Cu(II) and Pd(II) based ligands Type thiosemicarbazone. The catalytically active species during the process of the proton reduction was studied by cyclic voltammetry and mechanisms were formulated on the basis quantum chemical calculation.The first chapter introduces the scientific context, the goals and the main objectives of this work. The second chapter concerns the synthesis and the characterization of the N2S2 ligands and their associated mononuclear complexes, Ni, Cu and Pd. The third chapter presents the synthesis and the characterization of binuclear Co and trinuclear Ni based on N2S2 ligand.Electrochemical studies of these complexes in DMF in the presence of a proton source (trifluoroacetic acid), allowed us to evaluate their catalytic efficiency. Our results show that Cu and Pd complexes have a specific irreversible wave for the reduction of protons, but decomposition is observed during electrolysis, which makes these uninteresting complexes for the reduction of protons.On the contrary, Ni and Co complexes showed an electrochemical stability and good catalytic performances. In particular, the new mononuclear Ni complex exhibits remarkable catalytic properties that rank it among the best catalysts for the reduction of protons reported in the literature. All this work provided a complete description of the electrochemical behavior of N2S2 thiosemicarbazone ligands complexed to transition metals. It allows considering future developments in improving the catalytic properties of these complexes.
