Expanding Synthetic Aspects of Redox and Mechanical Organometallic Chemistry of Rare Earth Complexes

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Release : 2015
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Book Rating : 111/5 ( reviews)

Expanding Synthetic Aspects of Redox and Mechanical Organometallic Chemistry of Rare Earth Complexes - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Expanding Synthetic Aspects of Redox and Mechanical Organometallic Chemistry of Rare Earth Complexes write by Christopher Matthew Kotyk. This book was released on 2015. Expanding Synthetic Aspects of Redox and Mechanical Organometallic Chemistry of Rare Earth Complexes available in PDF, EPUB and Kindle. This dissertation describes the synthesis, characterization, and reactivity of organometallic complexes of yttrium and the lanthanides in an effort to more completely understand the nature of a recently-discovered class of +2 ions of these rare earth metals. The reactivity of complexes of a new set of Ln2+ ions (Ln = rare earth metal) with unprecedented 4fn5d1 electron configurations has been explored to expand the unique chemistry possible with the rare earth elements. The isolation of unexpected reaction products is described as well as the discovery of a new divalent lanthanide system and the utilization of solvent-free mechanochemical synthesis for established rare earth organometallic species. In Chapter 1, the reactivity of the highly-reducing, air-, moisture-, and temperature-sensitive divalent lanthanide complexes [K(2.2.2-cryptand)][Cp'3Ln] (Ln = Y, La, Ce, Dy) is characterized by examining reactions with aromatic organic substrates of known reduction potential. Complexes of the 4fn5d1 Ln2+ ions reduce naphthalene and biphenyl within minutes to form a new class of reduced aromatic complexes, [K(2.2.2-cryptand)][Cp'2Ln(n4-C10H8)] (Ln = Y, La, Ce, Dy) and [K(2.2.2-cryptand)][Cp'2Y(n6-C6H5Ph)], respectively. The naphthalene reactions also produced the previously unobserved ligand redistribution products [K(2.2.2-cryptand)][Cp'4Ln] (Ln = Y, La), which show the effect of the lanthanide contraction on structure as the lanthanum complex has four n5-Cp' rings while yttrium has three n5-Cp' rings and one n1-Cp' ring.

Reduction Chemistry of Rare-Earth Metal Complexes

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Release : 2013
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Reduction Chemistry of Rare-Earth Metal Complexes - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Reduction Chemistry of Rare-Earth Metal Complexes write by Wenliang Huang. This book was released on 2013. Reduction Chemistry of Rare-Earth Metal Complexes available in PDF, EPUB and Kindle. Rare-earths are a group of metals with fascinating physical properties and intriguing chemical reactivity. Organometallic rare-earth chemistry is of particular interest because of the increasing number of their applications in industry and consumer goods as well as the importance of understanding their physical and chemical properties. Despite the dominance of the trivalent oxidation state, recently, low-valent organometallic rare-earth compounds were characterized and showed interesting reactivity toward various molecules. The theme of this thesis is the reduction chemistry of rare-earth metal complexes. By utilizing an electronically and geometrically flexible ferrocene diamide ligand (NN^TBS = fc(NSi^tBuMe2)2, fc =1,1'-ferrocenediyl), unprecedented reactivity was discovered together with the synthesis and characterization of a series of rare-earth metal arene complexes. The fruitful reduction chemistry allowed: (1) the discovery of a new aromatic C-H and C-F bond activation mechanism for rare-earths; (2) the synthesis of the first scandium naphthalene complex and a reactivity study on P4 activation by rare-earth arene complexes; (3) the isolation and characterization of a 6C, 10[pi]-electron aromatic system stabilized by coordination to rare-earth metal ions. Recently, an improved method to access paramagnetic rare-earth starting materials for organometallic chemistry was developed in order to study the physical and chemical properties of paramagnetic rare-earth biphenyl complexes.

Organometallics in Organic Synthesis

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Release : 2012-12-06
Genre : Science
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Book Rating : 961/5 ( reviews)

Organometallics in Organic Synthesis - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Organometallics in Organic Synthesis write by Armin de Meijere. This book was released on 2012-12-06. Organometallics in Organic Synthesis available in PDF, EPUB and Kindle. More and more possible applications of organometallic compounds in organic synthesis have been uncovered and a growing number of scientists are attracted to this area of research. This book presents an state-of-the-art account of the successful application of main- and transition metal mediated syntheses. It will stimulate new ideas and initiate further research in all areas of this fascinating chemistry.

Organometallic Compounds

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Release : 2023-03-08
Genre : Science
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Book Rating : 787/5 ( reviews)

Organometallic Compounds - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Organometallic Compounds write by Dakeshwar Kumar Verma. This book was released on 2023-03-08. Organometallic Compounds available in PDF, EPUB and Kindle. Organometallic Compounds An up-to-date overview of the fundamentals, synthesis, and applications of organometallic compounds Organometallic Compounds: Synthesis, Reactions, and Applications delivers an accessible and robust introduction to the fundamentals of organometallic compounds, including their reactions, catalytic mechanisms, and modern applications, including carbon-dioxide fixation, reduction, gas adsorption and purification, drug delivery, renewable energy, and wastewater treatment. The book also covers toxicological and computational studies. The authors address the current challenges confronting researchers seeking to sustainably synthesize and process organometallic compounds and offer complete coverage on the most recent advancements in applications relating to the fields of environmental science, electronics, fossil fuels, and more. Readers will also find: Introduces to fundamentals, nomenclature, properties, and classification of organometallic compounds Discusses methods of synthesis of organometallic compounds Practical discussions of organometallic complexes of the lanthanoids and actinoids, as well as bio-organometallic chemistry Includes characterization techniques of organometallic compounds Perfect for organic, environmental, inorganic, water, and catalytic chemists, Organometallic Compounds: Synthesis, Reactions, and Applications will also benefit chemical engineers and industrial chemists.

Rare Earth Coordination Chemistry

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Release : 2011-09-23
Genre : Science
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Book Rating : 867/5 ( reviews)

Rare Earth Coordination Chemistry - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Rare Earth Coordination Chemistry write by Chun-Hui Huang. This book was released on 2011-09-23. Rare Earth Coordination Chemistry available in PDF, EPUB and Kindle. Edited by a highly regarded scientist and with contributions from sixteen international research groups, spanning Asia and North America, Rare Earth Coordination Chemistry: Fundamentals and Applications provides the first one-stop reference resource for important accomplishments in the area of rare earth. Consisting of two parts, Fundamentals and Applications, readers are armed with the systematic basic aspects of rare earth coordination chemistry and presented with the latest developments in the applications of rare earths. The systematic introduction of basic knowledge, application technology and the latest developments in the field, makes this ideal for readers across both introductory and specialist levels.