Structures, Properties and Catalytic Activities of Copper(II) Complexes with New Pyrazole-containing Ligands PDF Download
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Author: Anna Maria Schuitema
Publisher:
ISBN:
Category :
Languages : en
Pages : 146
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Author: Anna Maria Schuitema
Publisher:
ISBN:
Category :
Languages : en
Pages : 146
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Author: K.D. Karlin
Publisher: Springer Science & Business Media
ISBN: 940116875X
Category : Science
Languages : en
Pages : 510
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Book Description
Bioinorganic Chemistry of Copper focuses on the vital role of copper ions in biology, especially as an essential metalloenzyme cofactor. The book is highly interdisciplinary in its approach--the outstanding list of contributors includes coordination chemists, biochemists, biophysicists, and molecular biologists. Chapters are grouped into major areas of research interest in inorganic copper chemistry, spectroscopy, oxygen chemistry, biochemistry, and molecular biology. The book also discusses basic research of great potential importance to pharmaceutical scientists. This book is based on the first Johns Hopkins University Copper Symposium, held in August 1992. Researchers in chemistry, biochemistry, molecular biology, and medicinal chemistry will find it to be an essential reference on its subject.
Author: Antonio Gil
Publisher: Springer Science & Business Media
ISBN: 1441966706
Category : Science
Languages : en
Pages : 531
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Book Description
Since the first works introducing the aluminum intercalated clay family in the early 1970s, interest in the synthesis of pillared interlayered clays has increased tremendously, especially research into the properties and applications of new synthesis methods. The need for solids that could be used as cracking catalysts with larger pores than zeolitic materials has spurred the synthesis of new porous materials from clays. Pillared Clays and Related Catalysts reviews the properties and applications of pillared clays and other layered materials used as catalysts, focusing on: the acidity of pillared clays and the effect it has on catalytic performance the use of pillared clays as supports for catalytically active phases, and the use of the resulting solids in environmentally friendly reactions the applications of the selective reduction of NOx the comparison between the reactions of pillared clays and anionic clays.
Author: Michael Andrew Oakley
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Astrid Sigel
Publisher: Springer
ISBN: 3319217569
Category : Science
Languages : en
Pages : 663
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MILS-16 provides an up-to-date review of the impact of alkali metal ions on life. Their bioinorganic chemistry and analytical determination, the solid state structures of bio-ligand complexes and the properties of alkali metal ions in solution in the context of all kinds of biologically relevant ligands are covered, this includes proteins (enzymes) and nucleic acids (G-quadruplexes). Minerals containing sodium (Na+) and potassium (K+) are abundant in the Earth's crust, making Na+ and K+ easily available. In contrast, the alkali elements lithium (Li+), rubidium, and cesium are rare and the radioactive francium occurs only in traces. Since the intra- and extracellular, as well as the compartmental concentrations of Na+ and K+ differ significantly, homeostasis and active transport of these ions are important; this involves transporters/carriers and pore-forming ion channel proteins. Systems like Na+/K+-ATPases, H+/K+-ATPases or Na+/H+ antiporters are thoroughly discussed. The role of K+ in photosynthesis and the role of Na+ in charging the "battery of life" are pointed out. Also, the relationships between alkali metal ions and diseases (e.g., Parkinson or traumatic brain injury) are covered and the relevance of Li+ salts in medicine (pharmacology and mechanism) is reviewed. This and more is treated in an authoritative and timely manner in the 16 stimulating chapters of Volume 16, The Alkali Metal Ions: Their Role for Life, which are written by 44 internationally recognized experts from 12 nations. The impact of this vibrant research area is manifested in nearly 3000 references, over 30 tables and more than 150 illustrations (two thirds in color). MILS-16 also provides excellent information for teaching. Astrid Sigel, Helmut Sigel, and Roland K. O. Sigel have long-standing interests in Biological Inorganic Chemistry. Their research focuses on metal ion interactions with nucleotides and nucleic acids and on related topics. They edited previously 44 volumes in the series Metal Ions in Biological Systems.
![Two New Copper(Ii) Binuclear Complexes with Azo Functionalized 2-[(E)-(Pyridine-2yl-Hydrazono)Methyl]Phenol PDF](https://books.google.com/books/content/images/frontcover/uCrxzgEACAAJ?fife=w80-h100)
Author: Prof. R. N. Patel
Publisher:
ISBN:
Category :
Languages : en
Pages : 31
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Author: Tatjana N. Parac-Vogt
Publisher: Frontiers Media SA
ISBN: 2889631532
Category :
Languages : en
Pages : 167
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Reactions catalyzed by metalloenzymes have great potential for applications in the biotechnology and pharmaceutical industries. While only a few of these enzymes have yet been used in such applications, in the last few decades numerous efficient, selective, environmentally friendly and economical synthetic analogues have been described, including supramolecular, polymeric, nanoparticulate and lowmolecular- weight organometallic complexes, and metal organic frameworks. In this Research Topic, we present a collection of original research and review articles that show significant recent advances made in the rational design of such artificial metalloenzymes.
Author: Swiatoslaw Trofimenko
Publisher: World Scientific
ISBN: 1783261994
Category : Science
Languages : en
Pages : 294
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This book deals with polypyrazolylborates (scorpionates), a class of ligands known since 1966, but becoming rapidly popular with inorganic, organometallic and coordination chemists since 1986, because of their versatility and user-friendliness. They can be readily modified sterically and electronically through appropriate substitution on the pyrazole ring and on boron, and have led to a number of firsts in coordination chemistry (first stable CuCO complex, first monomeric MgR complex, and many other such firsts). Their denticity can range from two to four, their “Bite” can be adjusted, and additional coordinating sites can be added to the pyrazolyl rings. Over 170 different scorpionate ligands are known today, and some are published for the first time in this book.The author, Swiatoslaw Trofimenko, discovered and developed this ligand system and has written several reviews on the subject. The book is intended as a reference work, placing at the researcher's command practically all of the over 1500 references on the subject up, and into 1999, organized both according to the ligand type and according to the metal or metalloid being coordinated. It acquaints the reader with the special features of this ligand system and permits an assessment of what has been done in a given sub-area, and of which areas remain relatively unexplored. It presents procedures for ligand synthesis, and also covers their use in catalysis and in the modelling of biologically active substances.
Author: Abhay Kumar Patel
Publisher:
ISBN:
Category :
Languages : en
Pages : 35
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New copper(II) hydrazone complexes with (Z)-2-(phenyl(2-(pyridin-2-yl)hydrazono)methyl)pyridine (L) were synthesized and characterized using various physicochemical methods. The geometry of complexes can be classified as mononuclear and binuclear. The complex 1 [Cu(L)Cl2] is mononuclear whereas solid-state structures of complex 2 contains a mixture of co-crystals of mono- and binuclear complexes 2a [Cu(L)(H2O)(SO4)] and 2b [(L)Cu-(SO4)2-Cu(L)]. The molecular structure of 2 contains two units of mononuclear complex 2a and two units of binuclear complex 2b. Copper contains in all mono- and binuclear complexes are in a distorted square pyramidal geometry. The present study indicates that complexes having different nuclearities and geometries can be achieved by changing synthetic conditions and methods. Variable temperature magnetic susceptibility measurements of the complexes have shown a weak anti-ferromagnetic interaction. The presence of weak anti-ferromagnetic interactions is mediated by intermolecular hydrogen bonding in 1 and by symmetric sulfate bridge in 2, respectively. The Epr spectra in polycrystalline state of 1 and 2 exhibited a broad signal at 2.149 due to the spin-spin interactions between two copper(II) ions. The cyclic voltammograms of complexes 1 and 2 in DMSO gave two irreversible redox waves. Density functional theory (DFT) calculations were evaluated in the study involved the molecular specification for the use of B3LYP/LANL2DZ formalism for copper atom and B3LYP/6-31G for the remaining atoms. Both complexes catalyzed the dismutation of superoxide ( 02). Furthermore, copper complexes and ligand were tested to explore the anticancer properties. Promising cytotoxicity of synthesized compounds was observed on the selected cancerous cell line of neuroblastoma, lung carcinoma, hepatocellular carcinoma and breast cancer.
Author:
Publisher:
ISBN:
Category : Chemistry
Languages : en
Pages : 788
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