All Outputs (69)

An efficient approach to the synthesis of novel pyrene-fused azaacenes (2013)
Journal Article
Feng, X., Iwanaga, F., Hu, J. Y., Tomiyasu, H., Nakano, M., Redshaw, C., …Yamato, T. (2013). An efficient approach to the synthesis of novel pyrene-fused azaacenes. Organic Letters, 15(14), 3594-3597. https://doi.org/10.1021/ol401438a

An efficient synthetic approach for functionalization of both the active sites (1,3-) and the K-region (4,5,9,10-) of pyrene was accomplished by bromination and oxidation with considerable yield. These novel pyrene-fused azaacenes were thoroughly inv... Read More about An efficient approach to the synthesis of novel pyrene-fused azaacenes.

Tri-substituted hexahomotrioxacalix[3]arene derivatives bearing imidazole units: Synthesis and extraction properties for cations and chromate anions (2013)
Journal Article
Ni, X. L., Jin, C. C., Jiang, X. K., Takimoto, M., Rahman, S., Zeng, X., …Yamato, T. (2013). Tri-substituted hexahomotrioxacalix[3]arene derivatives bearing imidazole units: Synthesis and extraction properties for cations and chromate anions. Organic & biomolecular chemistry, 11(33), 5435-5442. https://doi.org/10.1039/c3ob40601f

The article describes the synthesis and extraction properties of the new hexahomotrioxacalix[3]arene-based derivatives cone- and partial-cone-2 bearing 1-methyl-1H-imidazole moieties at the lower rim. It has been demonstrated that O-alkylation of the... Read More about Tri-substituted hexahomotrioxacalix[3]arene derivatives bearing imidazole units: Synthesis and extraction properties for cations and chromate anions.

Mono-disperse triphenylene discotic liquid crystal oligomers synthesized by click chemistry (2013)
Journal Article
Bai, Y. F., Zhao, K. Q., Hu, P., Wang, B. Q., & Redshaw, C. (2013). Mono-disperse triphenylene discotic liquid crystal oligomers synthesized by click chemistry. Current Organic Chemistry, 17(8), 871-885. https://doi.org/10.2174/1385272811317080012

Discotic liquid crystals, as new organic semiconductors, possess not only the ability to self-organize to a highly ordered columnar mesophase, but also possess high charged carrier mobility and solution processed characteristic. The progress of synth... Read More about Mono-disperse triphenylene discotic liquid crystal oligomers synthesized by click chemistry.

The structure of the melamine–cyanuric acid co-crystal (2013)
Journal Article
Prior, T. J., Armstrong, J. A., Benoit, D. M., & Marshall, K. L. (2013). The structure of the melamine–cyanuric acid co-crystal. CrystEngComm RSC, 15(29), 5838-5843. https://doi.org/10.1039/c3ce40709h

The crystal structure of the melamine:cyanuric acid (CA.M) adduct has been redetermined and the previously reported cell is shown to be incorrect. The true unit cell has approximately twice the volume of the earlier cell. Crystal data forCA.M: monocl... Read More about The structure of the melamine–cyanuric acid co-crystal.

Tetraphenylethene-triphenylene oligomers with an aggregation-induced emission effect and discotic columnar mesophase (2013)
Journal Article
Yu, W. H., Chen, C., Hu, P., Wang, B. Q., Redshaw, C., & Zhao, K. Q. (2013). Tetraphenylethene-triphenylene oligomers with an aggregation-induced emission effect and discotic columnar mesophase. RSC advances, 3(33), 14099-14105. https://doi.org/10.1039/c3ra41874j

Tetraphenylethene derivatives not only exhibit "aggregation-induced emission" (AIE) effects, but also can form a mesophase with a turbine-like rigid core. Here we report the synthesis of three tetraphenylethene-triphenylene oligomers 7, 8E and 8Z by... Read More about Tetraphenylethene-triphenylene oligomers with an aggregation-induced emission effect and discotic columnar mesophase.

Using atomic orbitals and kinesthetic learning to authentically derive molecular stretching vibrations (2013)
Journal Article
Bridgeman, A. J., Schmidt, T. W., & Young, N. A. (2013). Using atomic orbitals and kinesthetic learning to authentically derive molecular stretching vibrations. Journal of chemical education, 90(7), 889-893. https://doi.org/10.1021/ed300045q

The stretching modes of MLx complexes have the same symmetry as the atomic orbitals on M that are used to form its σ bonds. In the exercise suggested here, the atomic orbitals are used to derive the form of the stretching modes without the need for f... Read More about Using atomic orbitals and kinesthetic learning to authentically derive molecular stretching vibrations.

Highly active, thermally stable, ethylene-polymerisation pre-catalysts based on niobium/tantalum-imine systems (2013)
Journal Article
Redshaw, C., Walton, M., Clowes, L., Hughes, D. L., Fuller, A. M., Chao, Y., …Sun, W. H. (2013). Highly active, thermally stable, ethylene-polymerisation pre-catalysts based on niobium/tantalum-imine systems. Chemistry: a European journal, 19(27), 8884-8899. https://doi.org/10.1002/chem.201300453

The reactions of MCl 5 or MOCl 3 with imidazole-based pro-ligand L 1 H, 3,5-tBu 2 -2-OH-C 6 H 2 -(4,5-Ph 2 -1H-)imidazole, or oxazole-based ligand L 2 H, 3,5-tBu 2 -2-OH-C 6 H 2 (1H- phenanthro[9,10-d])oxazole, following work-up, afforded octahedral... Read More about Highly active, thermally stable, ethylene-polymerisation pre-catalysts based on niobium/tantalum-imine systems.

Synthesis and fluorescence emission properties of 1,3,6,8-tetraarylpyrenes (2013)
Journal Article
Hu, J. Y., Feng, X., Tomiyasu, H., Seto, N., Rayhan, U., Elsegood, M. R., …Yamato, T. (2013). Synthesis and fluorescence emission properties of 1,3,6,8-tetraarylpyrenes. Journal of molecular structure, 1047, 194-203. https://doi.org/10.1016/j.molstruc.2013.04.074

Three types of stable pyrene-based highly fluorescence (blue) compounds, 1-, 1,6-bis, 1,8-bis and 1,3,6,8-tetrakis(7-tert-butylpyrenyl)pyrenes and 1,3,6,8-tetrakis[9,9-bis(3-methylbutyl)-9H-fluoren-2-yl]pyrene, were successfully synthesized via a Pd/... Read More about Synthesis and fluorescence emission properties of 1,3,6,8-tetraarylpyrenes.

Electrostatically gated membrane permeability in inorganic protocells (2013)
Journal Article
Li, M., Harbron, R. L., Weaver, J. V., Binks, B. P., & Mann, S. (2013). Electrostatically gated membrane permeability in inorganic protocells. Nature Chemistry, 5(6), 529-536. https://doi.org/10.1038/nchem.1644

Although several strategies are now available to produce functional microcompartments analogous to primitive cell-like structures, little progress has been made in generating protocell constructs with self-controlled membrane permeability. Here we de... Read More about Electrostatically gated membrane permeability in inorganic protocells.

Halonickel 2,4-di-t-butyl-6-(quinolin-8-yliminomethyl)phenolates: Synthesis, characterization and ethylene reactivity (2013)
Journal Article
Shi, Q. S., Hao, X., Redshaw, C., & Sun, W. H. (2013). Halonickel 2,4-di-t-butyl-6-(quinolin-8-yliminomethyl)phenolates: Synthesis, characterization and ethylene reactivity. Chinese Journal of Polymer Science, 31(5), 769-777. https://doi.org/10.1007/s10118-013-1266-z

A series of nickel halides bearing 2,4-di-t-butyl-6-(quinolin-8- yliminomethyl) phenolate ligands was synthesized and characterized by IR spectroscopy and elemental analysis. Molecular structures of C1 (R = H, X = Br) and C2 (R = H, X = Cl) were furt... Read More about Halonickel 2,4-di-t-butyl-6-(quinolin-8-yliminomethyl)phenolates: Synthesis, characterization and ethylene reactivity.

Controlling a spillover pathway with the molecular cork effect (2013)
Journal Article
Marcinkowski, M. D., Jewell, A. D., Stamatakis, M., Boucher, M. B., Lewis, E. A., Murphy, C. J., …Sykes, E. C. H. (2013). Controlling a spillover pathway with the molecular cork effect. Nature Materials, 12(6), 523-528. https://doi.org/10.1038/nmat3620

Spillover of reactants from one active site to another is important in heterogeneous catalysis and has recently been shown to enhance hydrogen storage in a variety of materials. The spillover of hydrogen is notoriously hard to detect or control. We r... Read More about Controlling a spillover pathway with the molecular cork effect.

Probing the characteristics of mono- or bimetallic (iron or cobalt) complexes bearing 2,4-bis(6-iminopyridin-2-yl)-3 H-benzazepines: Synthesis, characterization, and ethylene reactivity (2013)
Journal Article
Sun, W. H., Xing, Q., Yu, J., Novikova, E., Zhao, W., Tang, X., …Redshaw, C. (2013). Probing the characteristics of mono- or bimetallic (iron or cobalt) complexes bearing 2,4-bis(6-iminopyridin-2-yl)-3 H-benzazepines: Synthesis, characterization, and ethylene reactivity. Organometallics, 32(8), 2309-2318. https://doi.org/10.1021/om301086p

A series of 2,4-bis(6-iminopyridin-2-yl)-3H-benzazepines and the mono- or bimetallic (Fe2+ or Co2+) complexes thereof were synthesized and characterized. All title complexes, when activated by MAO or MMAO, exhibited high activities of up to 4.0 × 107... Read More about Probing the characteristics of mono- or bimetallic (iron or cobalt) complexes bearing 2,4-bis(6-iminopyridin-2-yl)-3 H-benzazepines: Synthesis, characterization, and ethylene reactivity.

The preparation of magnetic iron oxide nanoparticles in microreactors (2013)
Journal Article
Simmons, M., Wiles, C., Rocher, V., Francesconi, M. G., & Watts, P. (2013). The preparation of magnetic iron oxide nanoparticles in microreactors. Journal of flow chemistry, 3(1), 7-10. https://doi.org/10.1556/JFC-D-12-00024

The preparation of magnetic iron oxide nanoparticles within microreactors is reported. The proportion of γ-Fe2O3 and Fe 3O4 in the sample was determined, an important parameter for reproducibility in applications. © 2013 Akadémiai Kiadó.

Self-assembly of two-dimensional colloidal clusters by tuning the hydrophobicity, composition, and packing geometry (2013)
Journal Article
Law, A. D., Auriol, M., Smith, D., Horozov, T. S., & Buzza, D. M. A. (2013). Self-assembly of two-dimensional colloidal clusters by tuning the hydrophobicity, composition, and packing geometry. Physical review letters, 110(13), 0 - 0. https://doi.org/10.1103/physrevlett.110.138301

We study the structure of binary monolayers of large (3 m diameter) very hydrophobic (A) and large (3 m diameter) hydrophilic (B) or small (1 m diameter) hydrophilic (C) silica particles at an octanewater interface. By tuning the composition and pack... Read More about Self-assembly of two-dimensional colloidal clusters by tuning the hydrophobicity, composition, and packing geometry.

Radiochemistry on chip: towards dose-on-demand synthesis of PET radiopharmaceuticals (2013)
Journal Article
Arima, V., Pascali, G., Lade, O., Kretschmer, H. R., Bernsdorf, I., Hammond, V., …Rinaldi, R. (2013). Radiochemistry on chip: towards dose-on-demand synthesis of PET radiopharmaceuticals. Lab on a chip, 13(12), 2328-2336. https://doi.org/10.1039/c3lc00055a

We have developed an integrated microfluidic platform for producing 2-[¹⁸F]-fluoro-2-deoxy-D-glucose (¹⁸F-FDG) in continuous flow from a single bolus of radioactive isotope solution, with constant product yields achieved throughout the operation that... Read More about Radiochemistry on chip: towards dose-on-demand synthesis of PET radiopharmaceuticals.

Synthesis, characterization and catalytic behavior toward ethylene of 2-[1-(4,6-dimethyl-2-benzhydrylphenylimino)ethyl]-6-[1-(arylimino)ethyl] pyridylmetal (iron or cobalt) chlorides (2013)
Journal Article
Wang, S., Li, B., Liang, T., Redshaw, C., Li, Y., & Sun, W. H. (2013). Synthesis, characterization and catalytic behavior toward ethylene of 2-[1-(4,6-dimethyl-2-benzhydrylphenylimino)ethyl]-6-[1-(arylimino)ethyl] pyridylmetal (iron or cobalt) chlorides. Dalton Transactions : an international journal of inorganic chemistry, 42(25), 9188-9197. https://doi.org/10.1039/c3dt00011g

A series of 2-[1-(4,6-dimethyl-2-benzhydrylphenylimino)ethyl]-6-[1- (arylimino)ethyl]pyridines was synthesized and used to prepare the iron(ii) and cobalt(ii) chloride complexes thereof. All organic compounds were fully characterized by elemental ana... Read More about Synthesis, characterization and catalytic behavior toward ethylene of 2-[1-(4,6-dimethyl-2-benzhydrylphenylimino)ethyl]-6-[1-(arylimino)ethyl] pyridylmetal (iron or cobalt) chlorides.

Blue-emitting butterfly-shaped 1,3,5,9-tetraarylpyrenes: Synthesis, crystal structures, and photophysical properties (2013)
Journal Article
Feng, X., Hu, J. Y., Iwanaga, F., Seto, N., Redshaw, C., Elsegood, M. R., & Yamato, T. (2013). Blue-emitting butterfly-shaped 1,3,5,9-tetraarylpyrenes: Synthesis, crystal structures, and photophysical properties. Organic Letters, 15(6), 1318-1321. https://doi.org/10.1021/ol4002653

The first example of aryl-functionalized, butterfly-shaped, highly fluorescent and stable blue-emitting monomers, namely, 7-tert-butyl-1,3,5,9- tetrakis(p-R-phenyl)pyrenes, were synthesized by the Suzuki-Miyaura cross-coupling reaction from a novel b... Read More about Blue-emitting butterfly-shaped 1,3,5,9-tetraarylpyrenes: Synthesis, crystal structures, and photophysical properties.

Modification of the anion sublattice in metal nitrides (2013)
Journal Article
Prior, T., Headspith, D. A., & Francesconi, M. G. (2013). Modification of the anion sublattice in metal nitrides. Coordination chemistry reviews, 257(13-14), 1970-1977. https://doi.org/10.1016/j.ccr.2013.01.033

The main goal of solid-state chemistry is the synthesis and characterisation of new compounds with technologically exploitable properties. To this aim, one established chemical route is the modification of known inorganic materials, in most cases oxi... Read More about Modification of the anion sublattice in metal nitrides.

2-(1-{2,6-Bis[bis(4-fluorophenyl)methyl]-4-methylphenylimino}ethyl) -6-[1-(arylimino)ethyl]pyridylcobalt dichlorides: Synthesis, characterization and ethylene polymerization behavior (2013)
Journal Article
Wang, S., Zhao, W., Hao, X., Li, B., Redshaw, C., Li, Y., & Sun, W. H. (2013). 2-(1-{2,6-Bis[bis(4-fluorophenyl)methyl]-4-methylphenylimino}ethyl) -6-[1-(arylimino)ethyl]pyridylcobalt dichlorides: Synthesis, characterization and ethylene polymerization behavior. Journal of organometallic chemistry, 731, 78-84. https://doi.org/10.1016/j.jorganchem.2013.02.016

A series of 2-(1-{2,6-bis[bis(4-fluorophenyl)methyl]-4-methylphenyl-imino} ethyl)-6-[1-(arylimino)ethyl]pyridylcobalt(II) chloride complexes (Co1-Co5) was synthesized and characterized by FT-IR spectroscopy and elemental analysis. The molecular struc... Read More about 2-(1-{2,6-Bis[bis(4-fluorophenyl)methyl]-4-methylphenylimino}ethyl) -6-[1-(arylimino)ethyl]pyridylcobalt dichlorides: Synthesis, characterization and ethylene polymerization behavior.

New structural motifs in lithium and zinc calix[4]arene chemistry (2013)
Journal Article
Redshaw, C., Rowe, O., Hughes, D. L., Fuller, A. M., Ibarra, I. A., & Humphrey, S. M. (2013). New structural motifs in lithium and zinc calix[4]arene chemistry. Dalton Transactions : an international journal of inorganic chemistry, 42(6), 1983-1986. https://doi.org/10.1039/c2dt32986g

The structures of three novel compounds prepared from the reaction of the lower-rim 1,3-diacid calix[4]arene (LH2) with lithium carbonate (1), t-butyl-lithium (2) and zinc acetate (3) are reported. © The Royal Society of Chemistry 2013.