Coordination Chemistry of Thioether-pyridazine Macrocycles. I. Synthetic, Structural, and Spectroscopic Studies of Cu(II) and Cu(I) Complexes of Novel Thioether-pyridazine Macrocycles that Contain Two Or Three Pyridazine Subunits

Coordination Chemistry of Thioether-pyridazine Macrocycles. I. Synthetic, Structural, and Spectroscopic Studies of Cu(II) and Cu(I) Complexes of Novel Thioether-pyridazine Macrocycles that Contain Two Or Three Pyridazine Subunits PDF Author: Liqin Chen
Publisher:
ISBN:
Category :
Languages : en
Pages : 390

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Coordination Chemistry of Thioether-pyridazine Macrocycles

Coordination Chemistry of Thioether-pyridazine Macrocycles PDF Author: Liqin Chen
Publisher:
ISBN:
Category :
Languages : en
Pages : 150

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Coordination Chemistry of Thioether-pyridazine Macrocycles II

Coordination Chemistry of Thioether-pyridazine Macrocycles II PDF Author: Liqin Chen
Publisher:
ISBN:
Category :
Languages : en
Pages : 124

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Mass Spectrometry Bulletin

Mass Spectrometry Bulletin PDF Author:
Publisher:
ISBN:
Category : Mass spectrometry
Languages : en
Pages : 874

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Steric Control in Copper(I) Thioether Coordination Chemistry

Steric Control in Copper(I) Thioether Coordination Chemistry PDF Author: Keily Heredia
Publisher:
ISBN:
Category :
Languages : en
Pages : 136

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The tetradentate thioether Si(CH[subscript]2SBu[superscript]t)[subscript]4 was used to synthesize the complete series of copper(I) complexes Cu[subscript]2Si(CH[subscript]2SBu[superscript]t)[subscript]4X[subscript]2 (X = C1, Br, I). Interestingly, a single X-ray diffraction study of the chloro derivative revealed the presence of both four-coordinate tetrahedral and three-coordinate trigonal planar copper centers. The adamantyl-substituted dithioether Me[subscript]2Si(CH[subscript]2SAd)[subscript]2 has been readily synthesized and it is the first member of the Me[subscript]2Si(CH[subscript]2SR)[subscript]2 (R = alkyl, aryl) family of ligands to be structurally characterized. Reactivity studies towards monovalent coinage metal ions have produced simple 1:1 and 1:2 complexes {Me[subscript]2Si(CH[subscript]2SAd)[subscript]2}CuX (X = C1, Br, I), and [Cu{Me[subscript]2Si(CH[subscript]2SAd)[subscript]2}[subscript]2]PF[subscript]6. Significantly, the bulky substituents on the thioether preclude the generation of polymeric species such as those isolated for R = Me and result instead in the formation of rare examples of three-coordinate trigonal planar Cu(I) thioether complexes. Furthermore, these are the first such complexes exhibiting [CuS[subscript]2X] coordination spheres. In a similar vein, the dinuclear gold complexes Au[subscript]2{Me[subscript]2Si(CH[subscript]2SAd)[subscript]2}X[subscript]2 (X = C1, Br), each of which displays a fairly strong intramolecular Au...Au aurophilic interaction, are obtained instead of the polymeric species isolated for closely related but less sterically demanding thioether ligands [e.g., Me[subscript]2Si(CH[subscript]2SMe)[subscript]2]. The new complexes have been characterized by a variety of analytical and spectroscopic techniques, including electrospray ionization mass spectroscopy (ESIMS). An overview of the coordination chemistry of Me[subscript]2Si(CH[subscript]2SAd)[subscript]2 towards other transition metal ions such as Ag(I), Cd(II) and Hg(II) will be also discussed.

Synthesis of Thioethers and Macrocyclic Thioethers Containing the 2,6-pyridino Moiety

Synthesis of Thioethers and Macrocyclic Thioethers Containing the 2,6-pyridino Moiety PDF Author: Farah Danesh-Khoshboo
Publisher:
ISBN:
Category : Ethers
Languages : en
Pages : 310

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Abstract.

Synthesis and Co-ordination Chemistry of a New Class of Macrocyclic Thioether Molecules Containing Acetylenic Functionalities

Synthesis and Co-ordination Chemistry of a New Class of Macrocyclic Thioether Molecules Containing Acetylenic Functionalities PDF Author: Ghulam Farouq Mohmand
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Bioinorganic Chemistry of Copper

Bioinorganic Chemistry of Copper PDF 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.

Supramolecular Chemistry in the 3rd Millennium

Supramolecular Chemistry in the 3rd Millennium PDF Author: Catherine E. Housecroft
Publisher: MDPI
ISBN: 3036514635
Category : Science
Languages : en
Pages : 264

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Book Description
This Special Issue is one of the first for the new MDPI flagship journal Chemistry (ISSN 2624-8549) which has a broad remit for publishing original research in all areas of chemistry. The theme of this issue is Supramolecular Chemistry in the 3rd Millennium and I am sure that this topic will attract many exciting contributions. We chose this topic because it encompasses the unity of contemporary pluridisciplinary science, in which organic, inorganic, physical and theoretical chemists work together with molecular biologists and physicists to develop a systems-level understanding of molecular interactions. The description of supramolecular chemistry as 'chemistry beyond the molecule' (Jean-Marie Lehn, Nobel Lecture and Gautam R. Desiraju, Nature, 2001, 412, 397) addresses the wide variety of weak, non-covalent interactions that are the basis for the assembly of supramolecular architectures, molecular receptors and molecular recognition, programed molecular systems, dynamic combinatorial libraries, coordination networks and functional supramolecular materials. We welcome submissions from all disciplines involved in this exciting and evolving area of science.

Natural Product Biosynthesis

Natural Product Biosynthesis PDF Author: Christopher T. Walsh
Publisher: Royal Society of Chemistry
ISBN: 1788010760
Category : Science
Languages : en
Pages : 787

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Book Description
This textbook describes the types of natural products, the biosynthetic pathways that enable the production of these molecules, and an update on the discovery of novel products in the post-genomic era.