Relevant bibliographies by topics / Helicity - Coordination Chemistry

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  1. Journal articles
  2. Dissertations / Theses

Academic literature on the topic 'Helicity - Coordination Chemistry'

Author: Grafiati
Published: 7 September 2023

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Journal articles on the topic "Helicity - Coordination Chemistry"

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Miyake, Hiroyuki, and Hiroshi Tsukube. "Helix Architecture and Helicity Switching via Dynamic Metal Coordination Chemistry." Supramolecular Chemistry 17, no. 1-2 (January 1, 2005): 53–59. http://dx.doi.org/10.1080/10610270412331328790.

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2

Qiu, Gege, Cédric Colomban, Nicolas Vanthuyne, Michel Giorgi, and Alexandre Martinez. "Chirality transfer in a cage controls the clockwise/anticlockwise propeller arrangement of the tris(2-pyridylmethyl)amine ligand." Chemical Communications 55, no. 94 (2019): 14158–61. http://dx.doi.org/10.1039/c9cc07244f.

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A predictable control of the propeller arrangement of the tris(2-pyridylmethyl)amine (TPA) ligand was achieved in the smallest hemicryptophane 1. Coordination of Cu(i) result in a rare T-shaped complex with controlled helicity of the TPA-Cu core.
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Saalfrank, Rolf W., Michael Decker, Frank Hampel, Karl Peters, and Hans Georg von Schnering. "Coordination Polymers, 13. Induction of Helicity via Stereogenic Centers: Asymmetric Synthesis of (P)- and (M)-Coordination Polymers." Chemische Berichte 130, no. 9 (September 1997): 1309–13. http://dx.doi.org/10.1002/cber.19971300921.

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4

Yang, Jun-Wei, Jing Zhang, Yan Yan, Xiao-Chun Huang, and Shan-Ling Tong. "A coordination polymer of manganese (III) porphyrinate with right-handed helicity and opticity." Solid State Sciences 12, no. 7 (July 2010): 1242–47. http://dx.doi.org/10.1016/j.solidstatesciences.2010.03.003.

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Neogi, Subhadip, Manish K. Sharma, Madhab C. Das, and Parimal K. Bharadwaj. "Helicity-induced two-layered Cd(II) coordination polymers built with different kinked dicarboxylates and an organodiimidazole." Polyhedron 28, no. 18 (December 2009): 3923–28. http://dx.doi.org/10.1016/j.poly.2009.09.005.

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6

Nabeshima, Tatsuya, and Masaki Yamamura. "Cooperative formation and functions of multimetal supramolecular systems." Pure and Applied Chemistry 85, no. 4 (January 1, 2013): 763–76. http://dx.doi.org/10.1351/pac-con-12-08-02.

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Multimetal complexes provide a variety of interesting structures, unique properties, and functions. Such sophisticated functions are often produced by synergistic and cooperative interactions among the metal ions accumulated in the restricted small area of the multimetal systems. We describe novel three strategies (i.e., macrocyclic, C-shape, and multimetal template) for the preparation of the multimetal supramolecular systems by the cooperative metal binding of a multi-Schiff-base and multi-oxime ligands, and their characteristic structures and functions. The three approaches are versatile and effective because the employed coordination reactions smoothly and quickly proceeded under mild conditions to quantitatively form the desired coordination structures. The multimetal supramolecular systems obtained here exhibit the synergistic and cooperative functions for ion recognition, magnetic properties, helicity control, and modulation of reaction selectivity. These types of multimetal complexes could be developed for a cascade functional supramolecular system that shows highly synergistic properties, integrated multifunctions, and function amplification.
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Sairenji, Shiho, Shigehisa Akine, and Tatsuya Nabeshima. "Dynamic helicity control of single-helical oligooxime metal complexes by coordination of chiral carboxylate ions." Tetrahedron Letters 55, no. 12 (March 2014): 1987–90. http://dx.doi.org/10.1016/j.tetlet.2014.02.009.

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8

Perić, Berislav, Zoran Kokan, and Srećko I. Kirin. "Induction of Λ-helicity in a zinc complex with an alanine-appended aminopyridine ligand." Acta Crystallographica Section C Structural Chemistry 77, no. 8 (July 5, 2021): 449–57. http://dx.doi.org/10.1107/s2053229621006471.

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The crystal structure of tris[dimethyl 5-({1-[(pyridin-2-yl-κN)carbamoyl-κO]ethyl}carbamoyl)benzene-1,3-dicarboxylate]zinc(II) dinitrate acetonitrile trisolvate, [Zn(C19H19N3O6)3](NO3)2·3CH3CN or [Zn(L)3](NO3)2·3CH3CN, (1), has been determined by single-crystal X-ray diffraction. The neutral ligand L coordinates to the Zn2+ cation in a bidentate fashion via the pyridine N atom and an amide O atom, forming a six-membered chelate ring. The Λ-helical chirality of the Zn2+ coordination sphere is induced by pendant L-alanine residues through stacking interactions between the arene groups of two coordinated ligands, assisted by a hydrogen bond between amide groups bonded to the stacked arene rings. The third ligand is coordinated to the Zn2+ cation by the same six-membered chelate ring, but in the opposite direction with respect to the analogous chelate rings of the first two coordinated ligands. Besides ionic interactions between [ZnL 3]2+ complexes and NO3 − anions, several types of hydrogen bonds and intermolecular stacking interactions contribute to the stability of the solid-state phase.
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Takashima, Shunsuke, Hajime Abe, and Masahiko Inouye. "Copper(ii)-mediated chiral helicity amplification and inversion of meta-ethynylpyridine polymers with metal coordination sites." Chemical Communications 47, no. 26 (2011): 7455. http://dx.doi.org/10.1039/c1cc12358k.

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10

Ikeda, Masato, Yoshie Tanaka, Takashi Hasegawa, Yoshio Furusho, and Eiji Yashima. "Construction of Double-Stranded Metallosupramolecular Polymers with a Controlled Helicity by Combination of Salt Bridges and Metal Coordination." Journal of the American Chemical Society 128, no. 21 (May 2006): 6806–7. http://dx.doi.org/10.1021/ja0619096.

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Dissertations / Theses on the topic "Helicity - Coordination Chemistry"

1

Holub, Jan. "Generation of coordination architectures from dynamic covalent ligand libraries." Thesis, Strasbourg, 2016. http://www.theses.fr/2016STRAF060/document.

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La Chimie Dynamique Combinatoire basée sur les liaisions imines (-C=N-), avec l’aide de la chimie de coordination, donne accès à différentes types d’architectures metallosupramoléculaires et de réseaux dynamiques fonctionnels. Le travail effectué au cours de cette thèse traite de ces deux aspects. Dans un premier temps des structures de types grilles moléculaire et de type hélicate ont été synthétisés, à l’aide de métaux donnant une coordination octahédrale ou tétraédrale, et leurs propriétés dans un environnement dynamique ont été étudiées. Dans un deuxième temps des réseaux dynamiques, présentant des relations agoniste/antagoniste à travers l’échange des constituants aldéhydes et amines/hydrazines réseau, ont été étudiés. Ces systèmes permettent, à travers l’amplification d’un ou plusieurs constituants, une rééquilibration du réseau permettant l’implémentation de fonction tel que l’apprentissage et la prise de décision pour ces systèmes chimiques adaptifs. Un nouveau système, est présenté et étudié ici, permettant une redistribution stable même après le retrait du stimuli métallique (ajout/retrait d’un métal), permettant à ce système de réaliser un processing d’information : apprentissage, stockage, rappel et effacement
Dynamic Combinatorial Chemistry of imine-based dynamic covalent bonds (-C=N-), under the governance of coordination chemistry, can lead to different metallosupramolecular architectures and responsive functional systems. In this work these two aspects have been approached. Grids and helicates architectures based on aldehydes and amines/hydrazines backbones have been synthesised, in order to probe their behaviour in a dynamic network environment, using both octahedral and tetrahedral coordinating metal cations. Dynamic systems can be also represented by dynamic networks that define agonistic and antagonistic relationships between different constituents linked through component exchange. These networks can be switched through amplification of the best fittest constituent(s) in a dynamic set, allowing to access higher level functions such as training, learning, and decision making for adaptive chemical systems. A novel multi responsive system, able to be trained for information storage, has been studied, exhibiting a stable distribution even after removal of the metal stimuli, making this system able to perform information processing operations: training, storage, recall, and erase
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Cottam, Justine Ruth Amy. "Studies in Metallosupramolecular Chemistry." Thesis, University of Canterbury. Chemistry, 2008. http://hdl.handle.net/10092/1716.

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Metallosupramolecular chemistry involves the construction of nanoscale molecular assemblies by reacting metal atoms with bridging organic ligands. The metal atoms act as a type of molecular ‘glue’ binding together the organic ligands in specific orientations. Thus, appropriate combinations of metal ions and ligands lead to the controlled self-assembly of interesting one-, two- and three-dimensional molecular aggregates. This thesis details the preparation of a range of novel flexible bridging heterocyclic ligands using conventional organic synthesis, and then explores their reactions with a variety of transition metal precursors. By varying the nature of the organic ligand and the transition metal precursor, new and exciting supramolecular topologies and architectures can be formed. A total of forty-eight ligands were synthesised in this work, forty-seven of which are new compounds. The majority of the ligands synthesised were based around commercially available bisphenol cores. All forty-eight of the ligands had nitrogen heterocyclic groups as coordinating units. The ligands discussed in this thesis can be divided into three main sections. The first involves the synthesis and coordination chemistry of two-armed ligands based around the Bisphenol A, Bisphenol Z and Bisphenol AP cores. The second section describes the synthesis and coordination chemistry of the larger Bisphenol P and Bisphenol M based two-armed bridging ligands. The third section describes the synthesis and coordination chemistry of various multi-substituted ligands, including tripodal ligands based around a trisphenol core, four-armed ligands and six-armed ligands. The two-armed bisphenol based ligands proved very successful as synthons in metallosupramolecular chemistry and produced many products with a variety of different metal atoms. The complexes characterised included discrete dimeric products, coordination polymers and a number of helicates, including a dinuclear quadruply-stranded helicate. Multi-armed ligands are topical, because they have multiple coordination sites that are capable of binding and bridging multiple metal atoms. Such coordination can lead to the construction of cage-like species and complicated networks. A series of three-armed ligands based around a trisphenol core were synthesised with the intention to use these to form such species on coordination with appropriate metal salts. Indeed, one of the products of self-assembly was an interesting M₃L₂ cage. Various other multi-armed ligands were also investigated. The ligands and complexes in this thesis were characterised by a variety of structural techniques, such as ¹H NMR, ¹³C NMR, mass spectrometry, elemental analysis and X-ray crystallography when crystals were obtained. The crystal structures of twenty-seven ligands and forty-three complexes are described.
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3

Habermehl, Nicolle C. "Asymmetric transformation of a dinuclear, double-stranded helicate." Phd thesis, 2003. http://hdl.handle.net/1885/150084.

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