Relevant bibliographies by topics / Coordination compounds (Synthetic)

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  2. Dissertations / Theses
  3. Books
  4. Book chapters
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Academic literature on the topic 'Coordination compounds (Synthetic)'

Author: Grafiati
Published: 4 June 2021
Last updated: 6 February 2022

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Journal articles on the topic "Coordination compounds (Synthetic)"

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Tor, Yitzhak. "Coordination Compounds as Synthetic Building Blocks." Synlett 2002, no. 07 (2002): 1043–54. http://dx.doi.org/10.1055/s-2002-32571.

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Tor, Yitzhak. "ChemInform Abstract: Coordination Compounds as Synthetic Building Blocks." ChemInform 33, no. 36 (May 20, 2010): no. http://dx.doi.org/10.1002/chin.200236256.

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André, Vânia, Sílvia Quaresma, João Luís Ferreira da Silva, and M. Teresa Duarte. "Exploring mechanochemistry to turn organic bio-relevant molecules into metal-organic frameworks: a short review." Beilstein Journal of Organic Chemistry 13 (November 14, 2017): 2416–27. http://dx.doi.org/10.3762/bjoc.13.239.

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Mechanochemistry is a powerful and environmentally friendly synthetic technique successfully employed in different fields of synthetic chemistry. Application spans from organic to inorganic chemistry including the synthesis of coordination compounds. Metal-organic frameworks (MOFs) are a class of compounds with numerous applications, from which we highlight herein their application in the pharmaceutical field (BioMOFs), whose importance has been growing and is now assuming a relevant and promising domain. The need to find cleaner, greener and more energy and material-efficient synthetic procedures led to the use of mechanochemistry into the synthesis of BioMOFs.
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Gečiauskaitė, Agota A., and Felipe García. "Main group mechanochemistry." Beilstein Journal of Organic Chemistry 13 (October 5, 2017): 2068–77. http://dx.doi.org/10.3762/bjoc.13.204.

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Over the past decade, mechanochemistry has emerged as a powerful methodology in the search for sustainable alternatives to conventional solvent-based synthetic routes. Mechanochemistry has already been successfully applied to the synthesis of active pharmaceutical ingredients (APIs), organic compounds, metal oxides, coordination compounds and organometallic complexes. In the main group arena, examples of synthetic mechanochemical methodologies, whilst still relatively sporadic, are on the rise. This short review provides an overview of recent advances and achievements in this area that further validate mechanochemistry as a credible alternative to solution-based methods for the synthesis of main group compounds and frameworks.
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Quaresma, Sílvia, Paula C. Alves, Patrícia Rijo, M. Teresa Duarte, and Vânia André. "Antimicrobial Activity of Pyrazinamide Coordination Frameworks Synthesized by Mechanochemistry." Molecules 26, no. 7 (March 28, 2021): 1904. http://dx.doi.org/10.3390/molecules26071904.

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The urge for the development of a more efficient antibiotic crystalline forms led us to the disclosure of new antibiotic coordination frameworks of pyrazinamide, a well-known drug used for the treatment of tuberculosis, with some of the novel compounds unravelling improved antimycobacterial activity. Mechanochemistry was the preferred synthetic technique to yield novel compounds, allowing the reproduction of a 1D zinc framework, the synthesis of a novel hydrogen bonding manganese framework, and three new compounds with silver. The structural characterization of the novel forms is presented along with stability studies. The increased antimicrobial activity of the new silver-based frameworks against Escherichia coli, Staphylococcus aureus, and Mycobacterium smegmatis is particularly relevant.
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Đaković, Marijana, Željka Soldin, Boris-Marko Kukovec, Ivan Kodrin, Christer B. Aakeröy, Nea Baus, and Tamara Rinkovec. "Building inorganic supramolecular architectures using principles adopted from the organic solid state." IUCrJ 5, no. 1 (January 1, 2018): 13–21. http://dx.doi.org/10.1107/s2052252517015494.

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In order to develop transferable and practical avenues for the assembly of coordination complexes into architectures with specific dimensionality, a strategy utilizing ligands capable of simultaneous metal coordination and self-complementary hydrogen bonding is presented. The three ligands used, 2(1H)-pyrazinone, 4(3H)-pyrimidinone and 4(3H)-quinazolinone, consistently deliver the required synthetic vectors in a series of CdII coordination polymers, allowing for reproducible supramolecular synthesis that is insensitive to the different steric and geometric demands from potentially disruptive counterions. In all nine crystallographically characterized compounds presented here, directional intermolecular N—H...O hydrogen bonds between ligands on adjacent complex building blocks drive the assembly and orientation of discrete building blocks into largely predictable topologies. Furthermore, whether the solids are prepared from solution or through liquid-assisted grinding, the structural outcome is the same, thus emphasizing the robustness of the synthetic protocol. The details of the molecular recognition events that take place in this series of compounds have been clearly delineated and rationalized in the context of calculated molecular electrostatic potential surfaces.
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Mihajlović, T., and H. Effenberger. "The first proof of protonated anion tetrahedra in the tsumcorite-type compounds." Mineralogical Magazine 68, no. 5 (October 2004): 757–67. http://dx.doi.org/10.1180/0026461046850217.

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AbstractHydrothermal synthesis produced the new compound SrCo2(AsO4)(AsO3OH)(OH)(H2O). The compound belongs to the tsumcorite group (natural and synthetic compounds with the general formula M(1)M(2)2(XO4)2(H2O,OH)2; M(1)1+,2+,3+ = Na, K, Rb, Ag, NH4, Ca, Pb, Bi, Tl; M(2)2+,3+ = Al, Mn3+, Fe3+, Co, Ni, Cu, Zn; and X5+,6+ = P, As, V, S, Se, Mo). It represents (1) the first Sr member, (2) the until now unknown [7]-coordination for the M(1) position, (3) the first proof of (partially) protonated arsenate groups in this group of compounds, and (4) a new structure variant.The crystal structure of the title compound was determined using single-crystal X-ray diffraction data. The compound is monoclinic, space group P21/a, with a = 9.139(2), b = 12.829(3), c = 7.522(2) Å, β = 114.33(3)°, V = 803.6(3) Å3, Z = 4 [wR2 = 0.065 for 3530 unique reflections]. The hydrogen atoms were located experimentally.
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Cao, Tingting, Yanqiang Peng, Ting Liu, Suna Wang, Jianmin Dou, Yunwu Li, Changhui Zhou, Dacheng Li, and Junfeng Bai. "Assembly of a series of d10 coordination polymers of pamoic acid through a mixed-ligand synthetic strategy: syntheses, structures and fluorescence properties." CrystEngComm 16, no. 46 (2014): 10658–73. http://dx.doi.org/10.1039/c4ce01356e.

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Subitha, S., V. Gnana Glory Kanmoni, C. Isac Sobana Raj, J. Jona, and V. Vibi. "Synthesis, Characterization Study of Schiff Base Complexes Derived from Ampicillin and 4 Hydroxy3-Methoxy Benzaldehyde." Oriental Journal Of Chemistry 37, no. 4 (August 30, 2021): 813–18. http://dx.doi.org/10.13005/ojc/370407.

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Ampicillin is a derived form of pencillin which is emi synthetic -lactum antibiotic used to treat bladder infections, pneumonia, respiratory infection. schiff’s bases are the most widely studied chelating ligands in coordination chemistry. Recently metal complexes of schiff bases particularly derived from carbonyl compounds base on hetero-cyclic rings have been the centre of attraction in many areas. Present paper brief the synthesis of AHMBL and its transition metal (II) complexes and also the coordination / characterization studies such as magnetic susceptibility, molar conductance, Electronic spectra, Thermal study, FT-IR, H-NMR, XRD, and SEM .
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Dekkiche, Hervé, Yoshihiro Kikkawa, Lydia Karmazin, Christophe Jeandon, and Romain Ruppert. "Synthesis of porphyrins bearing alkynyl- or arylalkynyl-meso-groups." Journal of Porphyrins and Phthalocyanines 20, no. 01n04 (January 2016): 292–301. http://dx.doi.org/10.1142/s108842461650005x.

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The synthesis of new porphyrins bearing external coordination sites and long alkyl chains is described. In particular, the possibility to use the Sonogashira coupling to introduce long alkynyl chains and the synthetic pathway to obtain these compounds is detailed. Two crystal structures of these new porphyrin derivatives were obtained. The synthesis of porphyrin dimers linked by a palladium(II) ion is also reported and some electronic consequences presented.
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Dissertations / Theses on the topic "Coordination compounds (Synthetic)"

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Tzalis, Dimitrios. "Coordination compounds as synthetic building-blocks /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 1998. http://wwwlib.umi.com/cr/ucsd/fullcit?p9824658.

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Santos, Maria Graziela Alvarenga dos. "Síntese e caracterização de compostos de coordenação de nitrato de uranilo aminóxidos aromáticos." Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/46/46134/tde-26092016-150831/.

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Este trabalho descreve a síntese e a caracterização de compostos de coordenação formados a partir do sal nitrato de uranilo hexaidratado e os ligantes piridina-N-áxido e suas três formas isoméricas derivadas (2-picolina-N-áxido, 3-picolina-N-óxido e 4-picolina-N-óxido).. Os complexos foram preparados a partir da reação do sal nitrato de uranilo hexaidratado com os aminóxidos aromáticos em meio etanólico, na proporção 1:2. Os compostos foram caracterizados por análise elementar (CHN), espectroscopia de absorção na região do infravermelho, difração de raios x pelo método do pó, termogravimetrialtermogravimetria derivada (TG/DTG), calorimetria exploratória diferencial (DSC), testes de solubilidade e espectroscopia de emissão na região do visível. Os compostos foram isolados na forma sólida, apresentam coloração amarelada e são praticamente insolúveis na maioria dos solventes. Os resultados analíticos sugerem fórmula geral UO2(NO3)2.2L e as curvas TG/DTG e DSC permitiram avaliar o comportamento térmico dos complexos. Os espectros de absorção no infravermelho indicam que os complexos foram isolados na forma anidra e que a coordenação do ligante ocorre através do oxigênio do grupo NO, Os difratogramas de raios x pelo método do pó não indicam a presença de isomorfismo entre os compostos.As curvas TG/DTG permitiram inferir que o composto UO2(NO3)2.2(pyO) é o mais estáveL As curvas DSC evidenciam o processo de fusão no início da decomposição térmica dos complexos. O produto final corresponde a uma mistura de UO3 e U3O8 como produto final.
The synthesis and characterization of complexes or uranyl nitrate with pyridine-N-oxide and the three derivatives isomeric forms (2-picolíne- N-oxide, 3-picoline-N-oxide and 4-picoline-N-oxide) as ligands are described. They were prepared by reaction of hydrated uranyl nitrate with ligands in ethanolic solution (mo1ar ratio 1:2). The compounds were characterized by CHN microanalyticalprocedures, infrared spectroscopy, x ray power diffraction, TG/DTG and emission spectroscopy. The analytical results suggest de general fornula UO2(NO3)2.2L and the NO group oxygen. X ray power difracttion pattems do not indicate the presence of isomphism for this series of compounds. The the compounds have luminescence and the thermal decomposition yield a mixture of UO2 and U3O8 as final product.
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Brayshaw, Simon Keith. "Metal complexes bearing pendant alkynes and metal complexes of N-heterocyclic carbenes." University of Western Australia. School of Biomedical and Chemical Sciences, 2004. http://theses.library.uwa.edu.au/adt-WU2005.0017.

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This thesis is comprised of two parts. The first part describes the synthesis of cyclopentadienyltungsten complexes containing a pendant alkyne group (I), and the subsequent photo-induced intramolecular coordination of the alkyne, forming complexes such as II. Compounds containing intramolecularly coordinated alkynes are rare, and this is the first example using cyclopentadiene as the core ligand. The second part describes the synthesis and structural characterisation of a number of novel metal complexes containing N-heterocyclic carbene ligands, some containing particular functionality for taylored applications. New methods were used to form complexes of rhodium, iridium, silver and gold (eg. III, IV). Structural and spectroscopic properties of the complexes were correlated with electronic characteristics of the ancillary ligands. A number of rhodium and iridium complexes (eg. IV) derived from imidazolium-linked cyclophanes were synthesised and structurally characterised. Complexes of N-heterocyclic carbenes with pendant ionic groups were synthesised, and a preliminary examination of their catalytic activity in water was performed. N-Heterocyclic carbenes complexes containing an electron withdrawing nitro group were synthesised and the effect of the nitro group on metal-ligand bonding was examined.
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Stolberg, Tonie Louis. "Synthesis and properties of bidentate coordination compounds of tin." Thesis, University of Oxford, 1991. http://ora.ox.ac.uk/objects/uuid:ff861007-1ff0-470e-8554-86749bc291a1.

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This Thesis describes the synthesis, structural characterization and properties of some tin(II) and tin(IV) compounds containing bidentate ligands. Chapter 1 describes the main spectroscopic techniques used in the identification of tin(II) compounds; infra-red, 119Sn Mössbauer and n.m.r spectroscopy are outlined, and relevant examples given. A comprehensive listing is given of the main spectroscopic and structural properties of known tin(]3) compounds. Chapter 2 describes the general synthetic methods employed for the formation of tin(II)-oxygen heterocyclic compounds. A range of catecholate and related complexes of tin(II) were synthesized and the role of the substituent investigated with regard to their physical properties, especially their solubilities. The use of 4-nitrocatechol leads to a soluble product, {Sn[O-4-NO2-C6H3O][OC4H8]}>sub>n, which enabled it to be studied spectroscopically and its solid state structure to be determined. The nature of the bonding in {Sn[O-4-NO2-C6H3O][OC4H8]}n was investigated using Extended Hiickel molecular orbital calculations. Chapter 3 describes the chemical reactivity of the novel, soluble, tin(II)-oxygen heterocycle {Sn[O-4-NO2-C6H3O][OC4H8]}n. Reaction with iodine gives SnI2 [O-4-NO2-C6H3O][OC4H8]2. Reaction with the Lewis base such as 1,2-diaminopropane gives Sn[NH2CH2CH(Me)H2N][O-4-NO2-C6H3O][OC4H8], whilst benzyltriethylammonium chloride gives {[Et3BzN][SnCl(O-4-NO2-C6H3O)]}n. The solid-state structure of the compound consists of polymeric chains of [SnCl(O-4-NO2-C6H3O)]- and associated [Et3BzN]+ cations. Reaction with BF3.Et2O gives the adduct F3B.Sn[O-4-NO2- C6H3O][OC4H8]. Reaction with W(CO)5thf gives {(OC)3W.Sn[(O-4-NO2- C6H3O)(OC4H8)]}2 in which the tungsten atoms are believed to be bound η6 to the aromatic rings. Reaction with bis(triphenylphosphine)platinum-ethylene or tris(triphenylphosphine)platinum gives {PtH[PPh3]3}{[μ2-O][μ2-OH][Sn(O-4-NO2- C6H3O)]2}, the anion containing tin(II) and tin(IV) centres. Reaction with RhCl[CNC8H9]3 gives {RhCl[CNC8H9]3[μ2-Sn(O-4-NO2-C6H3O)]}2. Reaction with Ph3PAuCl gives the cluster Au4(PPh3)4(μ2-SnCl3)2, which is the first known example of a compound containing a μ2-SnX3 fragment. In comparison with SnCl2, {Sn[O-4-NO2- C6H3O][OC4H8]}n only weakly inserts into the platinum-chlorine bonds of PtCl2(dppe). Two molar equivalents of SnCl2 reacts with PtCl2(dppe) to give Pt(dppe)(SnCl3)2. Addition of a further equivalent of SnCl2 in the presence of tetraethylammonium chloride gives [Et4N][Pt(dppe)(SnCl3)3]. The platinum centre in this ion has a distorted trigonal bipyramidal geometry. Chapter 4 describes the synthesis of a number of tin(II)-sulphur heterocycles. The reaction between Sn[SC6H4S] and TMEDA gives a soluble adduct, Sn[SC6H4S]TMEDA. A number of tin(II)-nitogen heterocycles were also synthesized. Their intense colours and their instability towards air oxidation indicated that they were monomeric in the solid-state. Chapter 5 outlines the basis for non-linear optical properties, especially their SHG effects. A wide range of tris(catecholato)tin(IV) compounds were synthesized and tested for SHG activity. A number were found to have a significant SHG effect, especially [(O-4- NO,sub>2-C6H3O)3Sn][NHEt3]2, which has an SHG effect 1.33 x urea.
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Eichler, Jack Frederick. "Coordination compounds possessing stannylamines synthesis, characterization and application /." Diss., Available online, Georgia Institute of Technology, 2004:, 2004. http://etd.gatech.edu/theses/available/etd-08242004-084134/unrestricted/eichler%5Fjack%5Ff%5F200412A%5Fphd.pdf.

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Thesis (Ph. D.)--Chemistry and Biochemistry, Georgia Institute of Technology, 2005.
William S. Rees, Jr., Committee Chair ; E. Kent Barefield, Committee Member ; Angus P. Wilkinson, Committee Member ; Z. John Zhang, Committee Member ; Dennis W. Hess, Committee Member. Includes bibliographical references.
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Low, Kam-hung, and 魯錦鴻. "Synthesis, structural characterization and applications of homoleptic organosulfur and organoselenium metal polymers." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B43703859.

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Darawsheh, Mohanad D. "Spin crossover supramolecular coordination compounds: design, synthesis and properties." Doctoral thesis, Universitat de Barcelona, 2016. http://hdl.handle.net/10803/400859.

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The results obtained in this thesis demonstrate the importance of supramolecular chemistry for the design of potential new SCO clusters. Starting from synthesizing the suitable ligands with suitable functional groups, novel host-guest systems could be obtained where the guest play a major role in tuning the physical properties of the guest. Two bis-pyrazolylpyridine lignads, H2L4 and H2L6 were designed and prepared to achieve the assembly of transition metal ions in a triple-stranded helicate fashion where the central cavity can encapsulate different counterions depending on the size of this cavity. The N-H groups found in these ligands which usually directed toward the internal cavity help in the encapsulation of hydrogen acceptor anions. 13 iron-based compounds have been crystallized and studied adding significantly to the helical SCO compounds in the literature. The crystal structure for all the compounds were resolved, which allowed for an extensive study of supramolecular interactions and the influence of these interactions on the magnetic properties of the compounds. The first part of the thesis deals with spin-crossover dinuclear triple-stranded helicates compounds with encapsulated halide ions using H2L4. Six of such helicates with different encapsulated halide or counter ions were synthesized: Cl⊂[Fe2(H2L4)3]Cl(PF6)2·5.7CH3OH (1) Br⊂[Fe2(H2L4)3]Br(PF6)2·4CH3OH (2) Cl⊂[Fe2(H2L4)3]Cl(PF6)2·3CH3OH·1H2O (1a) Br⊂[Fe2(H2L4)3]Br(PF6)2·1CH3OH·1H2O (2a) Cl⊂[Fe2(H2L4)3](I3)3·3(Et2O) (3) Br⊂[Fe2(H2L4)3](I3)3·3(Et2O) (4) These isostructural compounds consist of triple-stranded helicates that encapsulate halide ion inside their cavity. The main difference is the kind of outer counterions and lattice solvents which affect dramatically the magnetic properties of these compounds as a result of changing the supramolecular interactions. Changing the halide ion from chloride to bromide in 1 and 2, respectively, shift the spin transition by 30 K. The SCO occur here from [HS-LS] to [HS-HS] upon heating. Compounds 1a and 2a are the water solvate helicates that produced from single-crystal to single-crystal exchange by exposing the crystals to the ambient water. This exchange leads to important changes; the {X⊂ [Fe2(H2L4)3]}3+ helicate are now symmetric and the two Fe centers are crystallographically identical. This change in the solvent affects dramatically the SCO behavior of the helicates. Two-step SCO from [LS-LS] à [HS- LS]à [HS-HS] states was observed in the bulk magnetic studies. Compounds 3 and 4 consists of {X⊂ [Fe2(H2L4)3]}3+ triple-stranded helicates similar to the one seen in previous helicates where the counter ions are now three triodide (I3-) linear ions occupying the outer space formed between the helical strands and the solvent is ether. In these complexes the iron centers remain in the HS state through all the temperatures. The change of the solvents used in the reaction yielded different supramolecular compounds using the same ligands H2L4. Dimerized mononuclear helicates {X⊂[Fe(H2L4)3]2}3+ was prepared where a halide ion is encapsulated inside the cavity formed by the intercalating dimers. Five dimerized triple-stranded helicates are presented in this thesis: Cl⊂[Fe(H2L4)3]2(OH)(PF6)2·H2O (5). Cl⊂[Fe(H2L4)3]2(FeCl4)3·2C3H6O·4C7H8 (6). Br⊂[Fe(H2L4)3]2(OH)(PF6)2·H2O (7). I⊂[Fe(H2L4)3]2(PF6)2.23(I)0.21(I3)0.56·2CH3OH (8) I⊂[Fe(H2L4)3]2(I)2(I3)0.6(OH)0.4·0.6H2O·2CH3OH·2C3H6O (9) In every mononuclear helicate, one pyrazolyl-pyridine side of each ligand is not coordinated to any metal ion. The SCO behavior of the dimer is also affected by the nature of the halide ions which make hydrogen bonding with the N-H groups of the pyrazole rings. Using the ligand H2L6, the encapsulation of [M(III)(ox)3]3- (M = Fe and Cr; ox = oxalate) metal complexes inside the helical cavity of [Fe2(H2L6)3]4+ was achieved. Two of such triple-stranded helicates are presented in this thesis: Fe(C2O4)3⊂[Fe2(H2L6)3](BF4)·4CH3OH·3.7H2O (10). Cr(C2O4)3⊂[Fe2(H2L6)3](BF4)·1.4CH3OH·6H2O (11). The Fe(II) ions of the helicate exhibit SCO behavior and LIESST effect in the case of the encapsulated chromium oxalate complex. Interestingly, the guest [Cr(III)(ox)3]3- exhibits SIM-like behavior at low temperatures. This is the first example where a host- guest system exhibits both LIESST effect and SIM behavior.
Dos ligandos bis-pyrazolylpyridine, H2L4 y H2L6 fueron diseñados y preparados para sintetizar ensamblajes con iones de metales de transición en forma de helicatos de cadena triple donde la cavidad central puede encapsular diferentes contraiones en función del tamaño de esta cavidad. 13 compuestos a base de hierro se han cristalizado y estudiado, con la adición de manera significativa de compuestos helicoidales con SCO de la literatura. La estructura cristalina de todos los compuestos fueron resueltas, lo que permitió un amplio estudio de las interacciones supramoleculares y la influencia de estas interacciones sobre las propiedades magnéticas de los compuestos. La primera parte de la tesis trata de compuestos helicoidales dinucleares de cadena triple presentando transición de espín con iones haluro encapsulados utilizando H2L4. Estos compuestos isoestructurales consisten en helicatos de cadena triple que encapsulan iones haluro dentro de su cavidad. La principal diferencia es el tipo de contraiones exteriores y disolventes de cristalización que afectan dramáticamente las propiedades magnéticas de estos compuestos, como resultado de cambiar las interacciones supramoleculares. El cambio del ión haluro, de cloruro a bromuro, da un cambio de la transición de espín de unos 30 K. En los complejos metanólicos, la SCO se producen por calentamiento, a partir de [HS-LS] a [HS-HS], donde los estados de espín mixtos se consigue gracias a diferente distorsión alrededor de los iones metálicos, como resultado de diferentes enlaces de hidrógeno supramolecular cerca de los dos. Los helicatos con agua se producen a partir de una transformación cristal-cristal, mediante la exposición de los cristales a agua a temperatura ambiente. Este cambio en el disolvente afecta dramáticamente el comportamiento del SCO. Dos pasos en el SCO ([LS-LS] à [HS-LS] à [HS-HS]) se observarón en los estudios magnéticos. El cambio de los aniones a triyoduro (I3-) estabilizan el estado HS en todas las temperaturas medidas. El cambio en los disolventes utilizados en la reacción produjo diferentes compuestos supramoleculares utilizando el mismo ligando H2L4. Diferente helicatos mononucleares dimerizados {X⊂[Fe(H2L4)3]2}3+ fueron preparado donde se encapsula un ion haluro dentro de la cavidad formada por los dímeros intercalantes. En cada helicato mononuclear, un lado pirazolilo-piridina de cada ligando no se coordina a ningun ion metálico. El comportamiento de SCO del dímero también se ve afectada por la naturaleza de los iones haluro que forman con los enlaces de hidrógeno con los grupos N-H de los anillos de pirazol. Utilizando el ligando H2L6, se logró la encapsulación de complejos metálios de tipo [M(III)(ox)3]3- (M = Fe y Cr; ox = oxalato) dentro de la cavidad helicoidal [Fe2(H2L6)3]4+. Los iones Fe (II) del helicato exhiben SCO y efecto LIESST en el caso del complejo de cromo oxalato encapsulado. Curiosamente, el invitado [Cr(III)(ox)3]3- presenta un comportamiento de SIM a bajas temperaturas. Este es el primer ejemplo en el que un sistema hospedador-huésped exhibe tanto efecto LIESST y comportamiento SIM.
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Leung, Hiu-chi, and 梁曉詞. "Syntheses, reactivities and biological activities of ruthenium azido, nitrido and nitrosyl complexes supported by tetradentate tertiaryamine ligands." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2010. http://hub.hku.hk/bib/B43703732.

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Kleinhans, Dewald Johannes. "Studies in the synthesis of benzoxazole compounds." Thesis, Stellenbosch : Stellenbosch University, 2015. http://hdl.handle.net/10019.1/97900.

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Thesis (PhD)--Stellenbosch University, 2015.
ENGLISH ABSTRACT: Benzoxazoles are an important class of π-electron-excessive, benzene-fused heterocyclic compounds found in natural products and display a wide range of pharmacological applications. It is therefore a widely used starting scaffold for drug and agrochemical discovery programs. Other applications include: chiral auxiliaries in asymmetric reactions, chiral receptors for the resolution of racemic mixtures, fluorescent whitening dyes, various photochromic materials and as ligands for a wide range of catalytic reactions. Due to our interests in resorcinarenes, we came across 4-hydroxybenzoxazoles, a structural motif that has not been explored as potential asymmetric ligands. In this thesis it was attempted to investigate the synthesis, functionalisation and coordination chemistry of these compound class and finally look at a method of synthesising chiral 4-hydroxybenzoxazoles from amino acids. A small library of achiral 4-hydroxybenzoxazoles were synthesised in good yields. These compounds were then reacted with various transition metals, of which only the Pd-salts proved to return any usable compounds. The first structural evidence of the bonding of 4- hydroxybenzoxazoles was recorded from single crystal X-ray diffraction analysis of the coordination compounds that formed. Different coordination modes were recorded, depending on the ligand and the Pd-salt used. The PdCl2 compounds were also tested for catalytic activity with a Heck reaction, showing good conversions for the reaction between iodobenzene and styrene to form stilbene. Further examination pointed to the ligands playing an insignificant role in the reaction and the products possibly due to only the PdCl2’s reactivity. During this period it was also attempted to functionalise the phenol group with P(III) groups and repeat the coordination and catalytic studies. Efforts to synthesise these compounds were not successful, with oxidation of the P(III) to P(V) groups or degradation of these compounds. Efforts to synthesise these via phosphorous protection, utilising BH3 or the in situ trapping of the compounds with transition metals, were also not successful. During the trapping experiments the phosphinite and Pd-salt formed a re-arranged product that is a known and useful catalyst on its own. Finally a small library of chiral benzoxazoles and 4-hydroxybenzoxazoles were synthesised, starting from amino acids and utilising a Mitsunobu reaction to perform the ring closing. Antimicrobial tests with these compounds did not return any appreciable results.
AFRIKAANSE OPSOMMING: Bensoksasool is 'n belangrike klas van π-elektron-ryk, benseen-saamgesmelte heterosikliese verbindings wat in natuurlike produkte voorkom en 'n wye verskeidenheid van farmakologiese funksies vertoon. Dit is dus 'n baie algemene basis struktuur vir dwelm- en landbouchemiese ontdekkings programme. Ander gebruike sluit in: chirale ligande in asimmetriese reaksies, chirale reseptore vir die resolusie van rasemiese mengsels, fluoresserende verwittings kleurstowwe, verskeie fotochromiese materiaal en as ligande vir 'n wye verskeidenheid van katalitiese reaksies. As gevolg van ons belangstelling in resorsinarene, het ons op 'n strukturele motief afgekom wat nog nie ondersoek is as potensiële asimmetriese ligande nie, die 4- hidroksiebensoksasole. In hierdie tesis is gepoog om die sintese, funksionalisering en koördinasie chemie van hierdie klas verbindings te ondersoek en uiteindelik 'n metode te ontwikkel om die sintese van chirale 4-hidroksiebensoksasole vanaf aminosure te bewerkstellig. 'n Klein biblioteek van achirale 4-hidroksiebensoksasole was gesintetiseer in goeie opbrengste. Hierdie verbindings was toe behandel met verskeie oorgangsmetale, waarvan slegs die Pdsoute enige bruikbare verbindings gevorm het. Die eerste strukturele bewyse van die binding van die 4-hidroksiebensoksasole is aangeteken met behulp van enkelkristal X-straaldiffraksie ontleding van die koördinasieverbindings wat gevorm is. Verskillende koördinasie mode is aangeteken, afhangende van die ligand en die Pd-sout wat gebruik was. Die PdCl2 verbindings is ook vir katalitiese aktiwiteit met 'n Heck reaksie getoets. Die reaksie het baie goeie omskakeling gewys vir die reaksie tussen iodobenseen en stireen na stilbeen. Verdere ondersoeke het getoon dat die ligande nie ‘n beduidende rol in die reaksie speel nie en die produkte moontlik slegs as gevolg van die PdCl2 se reaktiwiteit is. Gedurende hierdie tydperk was daar ook probeer om die fenol groep met P(III) groepe te funksionaliseer. Met die uitgangstowwe sou die koördinering en katalitiese studies herhaal word. Pogings om hierdie verbindings te sintetiseer was nie suksesvol nie, met oksidasie van die P(III) na P(V) groepe of afbreking van hierdie verbindings. Pogings om dit te sintetiseer via fosfor beskermingstegnieke, deur gebruik te maak van BH3 of die in situ vasvang van die verbindings met oorgangsmetale, was ook nie suksesvol nie. Gedurende die vasvang eksperimente het die fosfien en PdCl2 ‘n herrangskikkings-produk gevorm wat op sy eie ‘n bekende en nuttige katalisator is. Ten slotte was 'n klein biblioteek van chirale bensoksasole en 4-hidroksiebensoksasole gesintetiseer, vanaf aminosure. Om die ringsluiting te bewerkstellig was ‘n Mitsunobu reaksie gebruik. Antimikrobiese toetse met hierdie verbindings het nie enige noemenswaardige resultate opgelewer nie.
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10

Lees, Anthony M. J. "Synthesis and characterisation of coordination compounds of lanthanides with diphosphonates." Thesis, Staffordshire University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325973.

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Books on the topic "Coordination compounds (Synthetic)"

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Synthetic coordination chemistry: Principles and practice. Singapore: World Scientific, 1996.

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D, Garnovskiĭ A., and Kharisov Boris I, eds. Synthetic coordination and organometallic chemistry. New York: Marcel Dekker, 2003.

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Hockensmith, C. M., V. Yu Kukushkin, and Yu N. Kukushkin. Synthetic Coordination Chemistry: Principles and Practice. World Scientific Publishing Company, 1997.

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A, Davies Julian, ed. Synthetic coordination chemistry: Principles and practice. Singapore: World Scientific, 1996.

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Wilkinson, G., and R. Gillard. Comprehensive Coordination Chemistry Synthesis Reactions: Properties & Applications Coordination Compounds Ligands (Comprehensive Coordination Chemistry Synthesis Reactions). Reader's Digest Young Families, 1987.

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Bulman, R. A. Coordination Compounds: Synthesis and Medical Application. Springer, 2013.

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A, Bulman Robert, ed. Coordination compounds: Synthesis and medical application. Berlin: Springer-Verlag, 1987.

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Coordination Compounds: Synthesis and Medical Application. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/3-540-17881-3.

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D, Garnovskiĭ A., and Kharissov Boris I, eds. Direct synthesis of coordination and organometallic compounds. Amsterdam: Elsevier, 1999.

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Direct Synthesis of Coordination and Organometallic Compounds. Elsevier, 1999. http://dx.doi.org/10.1016/b978-0-444-72000-9.x5000-3.

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Book chapters on the topic "Coordination compounds (Synthetic)"

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Decurtins, Silvio, Sylvie Ferlay, Rene Pellaux, Mathias Gross, and Helmut Schmalle. "Examples of Supramolecular Coordination Compounds and Their Supramolecular Functions." In Supramolecular Engineering of Synthetic Metallic Materials, 175–96. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-5280-8_10.

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King, Jennifer L., and Martyn Poliakoff. "Synthesis of Coordination Compounds." In Chemical Synthesis Using Supercritical Fluids, 243–58. Weinheim, Germany: Wiley-VCH Verlag GmbH, 2007. http://dx.doi.org/10.1002/9783527613687.ch12.

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Krause, Ronald A. "Synthesis of ruthenium(II) complexes of aromatic chelating heterocycles: Towards the design of luminescent compounds." In Coordination Compounds: Synthesis and Medical Application, 1–52. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/3-540-17881-3_1.

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Reedijk, Jan, Anne Marie J. Fichtinger-Schepman, Allan T. Oosterom, and Piet Putte. "Platinum amine coordination compounds as anti-tumor drugs. Molecular aspects of the mechanism of action." In Coordination Compounds: Synthesis and Medical Application, 53–89. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/3-540-17881-3_2.

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Bulman, R. A. "The chemistry of chelating agents in medical sciences." In Coordination Compounds: Synthesis and Medical Application, 91–141. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/3-540-17881-3_3.

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Manoury, Eric, and Rinaldo Poli. "Phosphine-Containing Planar Chiral Ferrocenes: Synthesis, Coordination Chemistry and Applications to Asymmetric Catalysis." In Phosphorus Compounds, 121–49. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-90-481-3817-3_5.

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Panyushkin, V., F. A. Kolokolov, A. I. Oflidi, and M. A. Nazarenko. "Electrochemical Synthesis of Coordination Compounds of Lanthanides: Effective Luminophores." In Handbook of Ecomaterials, 2615–53. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-68255-6_42.

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Panyushkin, V. T., F. A. Kolokolov, A. I. Oflidi, and M. A. Nazarenko. "Electrochemical Synthesis of Coordination Compounds of Lanthanides: Effective Luminophores." In Handbook of Ecomaterials, 1–39. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-48281-1_42-1.

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Craig, C. A., F. O. Garces, and R. J. Watts. "Synthesis and Photophysical Studies of Ortho-Metalated Pd(II) Complexes Including two Novel Pd(II)/Rh(III) Dimers." In Photochemistry and Photophysics of Coordination Compounds, 135–40. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-72666-8_23.

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Rotzinger, F. P., S. Munavalli, P. Comte, J. K. Hurst, and M. Grätzel. "Synthesis and Characterization of A μ-oxo-diruthenium Complex as a Precursor to an Efficient Water Oxidation Catalyst." In Photochemistry and Photophysics of Coordination Compounds, 323–26. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-72666-8_59.

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Conference papers on the topic "Coordination compounds (Synthetic)"

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Sathiskumar, S., P. Kathiravan, and T. Balakrishnan. "Cationic coordination compound Cs2Hg3I8 for IR NLO material: Synthesis, crystal growth and characterizations." In NANOFORUM 2014. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4918042.

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Bordian, Olga, Iovu MIhail, Victor Verlan, Ion Culeac, Vera Zubarev, and Bulhac Ion. "Synthesis, absorption and photoluminescence properties of the new coordination compound Eu(DBM)3(Ph3PO)1H2O." In Advanced Topics in Optoelectronics, Microelectronics and Nanotechnologies IX, edited by Ionica Cristea, Marian Vladescu, and Razvan D. Tamas. SPIE, 2018. http://dx.doi.org/10.1117/12.2323761.

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Runde, Wolfgang. "Insight into the Coordination Chemistry of Plutonium Compounds: Synthesis and Structural Characteristics of Pu(III) Oxalate and Pu(VI) Hydrous Oxides." In PLUTONIUM FUTURES - THE SCIENCE: Third Topical Conference on Plutonium and Actinides. AIP, 2003. http://dx.doi.org/10.1063/1.1594538.

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Chen, Kok Hao, and Jong Hyun Choi. "DNA Oligonucleotide-Templated Nanocrystals: Synthesis and Novel Label-Free Protein Detection." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-11958.

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Abstract:
Semiconductor and magnetic nanoparticles hold unique optical and magnetic properties, and great promise for bio-imaging and therapeutic applications. As part of their stable synthesis, the nanocrystal surfaces are usually capped by long chain organic moieties such as trioctylphosphine oxide. This capping serves two purposes: it saturates dangling bonds at the exposed crystalline lattice, and it prevents irreversible aggregation by stabilizing the colloid through entropic repulsion. These nanocrystals can be rendered water-soluble by either ligand exchange or overcoating, which hampers their widespread use in biological imaging and biomedical therapeutics. Here, we report a novel scheme of synthesizing fluorescent PbS and magnetic Fe3O4 nanoparticles using DNA oligonucleotides. Our method of PbS synthesis includes addition of Na2S to the mixture solution of DNA sequence and Pb acetate (at a fixed molar ratio of DNA/S2−/Pb2+ of 1:2:4) in a standard TAE buffer at room temperature in the open air. In the case of Fe3O4 particle synthesis, ferric and ferrous chloride were mixed with DNA in DI water at a molar ratio of DNA/Fe2+/Fe3+ = 1:4:8 and the particles were formed via reductive precipitation, induced by increasing pH to ∼11 with addition of ammonium hydroxide. These nanocrystals are highly stable and water-soluble immediately after the synthesis, due to DNA termination. We examined the surface chemistry between oligonucleotides and nanocrystals using FTIR spectroscopy, and found that the different chemical moieties of nucleobases passivate the particle surface. Strong coordination of primary amine and carbonyl groups provides the chemical and colloidal stabilities, leading to high particle yields (Figure 1). The resulting PbS nanocrystals have a distribution of 3–6 nm in diameter, while a broader size distribution is observed with Fe3O4 nanoparticles as shown in Figure 1b and c, respectively. A similar observation was reported with the pH change-induced Fe3O4 particles of a bimodal size distribution where superparamagnetic and ferrimagnetic magnetites co-exist. In spite of the differences, FTIR measurements suggest that the chemical nature of the oligonucleotide stabilization in this case is identical to the PbS system. As a particular application, we demonstrate that aptamer-capped PbS QD can detect a target protein based on selective charge transfer, since the oligonucleotide-templated synthesis can also serve the additional purpose of providing selective binding to a molecular target. Here, we use thrombin and a thrombin-binding aptamer as a model system. These QD have diameters of 3∼6 nm and fluoresce around 1050 nm. We find that a DNA aptamer can passivate near IR fluorescent PbS nanocrystals, rendering them water-soluble and stable against aggregation, and retain the secondary conformation needed to selectively bind to its target, thrombin, as shown in Figure 2. Importantly, we find that when the aptamer-functionalized nanoparticles binds to its target (only the target), there is a highly systematic and selective quenching of the PL, even in high concentrations of interfering proteins as shown in Figure 3a and b. Thrombin is detected within one minute with a detection limit of ∼1 nM. This PL quenching is attributed to charge transfer from functional groups on the protein to the nanocrystals. A charge transfer can suppress optical transition mechanisms as we observe a significant decrease in QD absorption with target addition (Figure 3c). Here, we rule out other possibilities including Forster resonance energy transfer (FRET) and particle aggregation, because thrombin absorb only in the UV, and we did not observe any significant change in the diffusion coefficient of the particles with the target analyte, respectively. The charge transfer-induced photobleaching of QD and carbon nanotubes was observed with amine groups, Ru-based complexes, and azobenzene compounds. This selective detection of an unlabeled protein is distinct from previously reported schemes utilizing electrochemistry, absorption, and FRET. In this scheme, the target detection by a unique, direct PL transduction is observed even in the presence of high background concentrations of interfering negatively or positively charged proteins. This mechanism is the first to selectively modulate the QD PL directly, enabling new types of label free assays and detection schemes. This direct optical transduction is possible due to oligonucleotidetemplated surface passivation and molecular recognition. This chemistry may lead to more nanoparticle-based optical and magnetic probes that can be activated in a highly chemoselective manner.
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Reports on the topic "Coordination compounds (Synthetic)"

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Christe, Karl O., William W. Wilson, David A. Dixon, and Jerry A. Boatz. Hepta-Coordination. Synthesis and Characterization of the IOF52- Dianion, an XOF5E Compound. Fort Belvoir, VA: Defense Technical Information Center, January 1999. http://dx.doi.org/10.21236/ada408589.

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