Coordination polymers overview

Modification of the ligand denticity (pentadentate instead of hexaden-tate) allows the assembly of nd-4f helicates which exhibit a rich variety of magnetic and spectroscopic properties combining the intrinsic features of both types of metal ions thanks to intermetallic communication within the helical molecules. The overview ends by describing helical structures foimd in coordination polymers, as well as some 5f helicates. 

This volume of the Handbook on the Physics and Chemistry of Rare Earths adds five new chapters to the science of rare earths, compiled by researchers renowned in their respective fields. Volume 34 opens with an overview of ternary intermetallic systems containing rare earths, transition metals and indium (Chapter 218) followed by an assessment of up-to-date understanding of the interplay between order, magnetism and superconductivity of intermetallic compounds formed by rare earth and actinide metals (Chapter 219). Switching from metals to complex compounds of rare earths, Chapter 220 is dedicated to molecular stmctural studies using circularly polarized luminescence spectroscopy of lanthanide systems, while Chapter 221 examines rare-earth metal-organic frameworks, also known as coordination polymers, which are expected to have many practical applications in the future. A review discussing remarkable catalytic activity of rare earths in site-selective hydrolysis of deoxyribonucleic acid (DNA) and ribonucleic acid, or RNA (Chapter 222) completes this book. 

The design, synthesis, study, and application of coordination polymers and networks are an area of chemistry that is currently drawing ever-increasing attention. Figure 1 shows the number of publications per year related to this topic and clearly demonstrates that a dramatic and continuing increase in activity has occurred since 1990. A recent book provides an excellent and more detailed overview of this fascinating area of chemistry. ... 

M-C as propagating species, 4, 1008 monomer coordination and insertion reactions, 4, 1010 monomer insertion regio- and stereochemistry, 4, 1015 overview, 4, 1005-1166 regioirregular insertions, 4, 1023 stereocontrol mechanism, 4, 1018 stereocontrol symmetry rules, 4, 1020 stereoregular polymers, 4, 1016 in Ru-Os heterodinuclear compounds, 6, 1046 in Ru-Os mixed-metal clusters, 6, 1064 semiconductor growth, conventional precursors, 12, 2 with silicon, 3, 514... 

The book contains 22 chapters, logically organized into an overview chapter with three other subsections Part one The synthesis of functional polymers by direct methods, such as anionic, cationic, free radical and coordination polymerization. Part two The synthesis of functional polymers by postpolymerization functionalization. Part three Novel approaches and structures. Special emphasis is given to more modem techniques Aat allow for controlled and directed functionalization via living polymerization. 

The use of anions as templating agents is discussed by Vilar. The chapter starts with a general overview of the area and a discussion of the applications of anion templates in organic and coordination chemistry. The second part of the chapter deals with examples where anions are employed as templates in dynamic combinatorial libraries. This approach promises to provide an efficient route for the synthesis of better and more selective anion receptors. The last chapter by Ewen and Steinke also deals with the use of anions as templates but in this case in the context of molecular imprinted polymers. The first half of the chapter provides an introduction into molecularly imprinted polymers and this is followed by a detailed discussion of examples where anionic species have been used to imprint this class of polymeric materials. 

The goal of this chapter is to present an overview of reports in the scientific literature that involve the use of microwave heating in the preparation of inorganic and organometallic compounds. For practical purposes, no attanpt has been made to cover compounds of all elements. The scope has been limited to coordination compounds and organometallic complexes containing transition metals. The focus is on molecular compounds and not on materials that could be classified as nanoparticles, polymers, supported catalysts, metal-organic frameworks, or solid-state materials. 

The Introduction gives a historical overview of SPS from the first discovery through developmental stages to the fuU commercialization of this polymer based on an inexpensive monomer (Chapter 1). Because the transition metal catalysts for the coordination polymerization of styrene are of high importance for the properties of the polymers, these catalysts are comprehensively covered in the section on the preparation of SPS. 

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