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Alkyl substituted 4-pyrrolidinopyridinium salts encapsulated in the cavity of cucurbit[10]uril (2019)
Journal Article
Xu, W., Liu, M., Escaño, M. C., Redshaw, C., Bian, B., Fan, Y., …Xiao, X. (in press). Alkyl substituted 4-pyrrolidinopyridinium salts encapsulated in the cavity of cucurbit[10]uril. New journal of chemistry = Nouveau journal de chimie, https://doi.org/10.1039/c9nj01089k

The interaction between cucuribit[10]uril (Q[10]) and a series of 4-pyrrolidinopyridinium salts bearing aliphatic substituents at the pyridinium nitrogen, namely 4-(C4H8N)C5H5NRBr, where R = Et (g1), n-butyl (g2), n-pentyl (g3), n-hexyl (g4), n-octyl... Read More

Synthesis, structures and Lewis‐Acid‐Induced isomerization of 8‐Methoxy[2.2]metaparacyclophanes and a DFT study (2019)
Journal Article
Islam, M. M., Feng, X., Rahman, S., Georghiou, P. E., Matsumoto, T., Tanaka, J., …Yamato, T. (2019). Synthesis, structures and Lewis‐Acid‐Induced isomerization of 8‐Methoxy[2.2]metaparacyclophanes and a DFT study. ChemistrySelect, 4(13), 3630-3635. https://doi.org/10.1002/slct.201900190

Methyl substituted 8‐methoxy[2.2]MPCPs 8 a–b were obtained via thiacyclophane and its oxidized products. Lewis acid‐catalyzed (AlCl3‐MeNO2) reactions of 5‐tert‐butyl‐8‐methoxy‐12,13,15,16‐tetramethyl[2.2]MPCP 8 b under various conditions led to trans... Read More

Pyrene-based aggregation-induced emission luminogens and their applications (2019)
Journal Article
Islam, M. M., Hu, Z., Wang, Q., Redshaw, C., & Feng, X. (2019). Pyrene-based aggregation-induced emission luminogens and their applications. Materials Chemistry Frontiers, https://doi.org/10.1039/c9qm00090a

"Unity is force"-Aesop. It is a common phenomenon that traditional chromophores exhibit high fluorescence in dilute solution yet luminescence is quenched at high concentrations or in the aggregate state, ie “aggregation-caused quenching” (ACQ). Tang... Read More

Cyclotrimerization of alkynes catalyzed by a self-supported cyclic tri-nuclear nickel(0) complex with α-diimine ligands (2019)
Journal Article
Shen, L., Zhao, Y., Luo, Q., Li, Q., Liu, B., Redshaw, C., …Yang, X. (2019). Cyclotrimerization of alkynes catalyzed by a self-supported cyclic tri-nuclear nickel(0) complex with α-diimine ligands. Dalton transactions : an international journal of inorganic chemistry / RSoC, 48(14), 4643-4649. https://doi.org/10.1039/c9dt00819e

A cyclic tri-nuclear α-diimine nickel(0) complex [{Ni(μ-LMe-2,4)}3] (2) was synthesized from a “pre-organized”, trimerized trigonal LNiBr2-type precursor [Ni3(μ2-Br)3(μ3-Br)2(LMe-2,4)3]·Br (1; LMe-2,4 = [(2,4-Me2C6H3)NC(Me)]2). In complex 2, the α-di... Read More

Pyrene-based blue emitters with aggregation-induced emission features for high-performance organic light-emitting diodes (2019)
Journal Article
Feng, X., Xu, Z., Hu, Z., Qi, C., Luo, D., Zhao, X., …Tang, B. Z. (2019). Pyrene-based blue emitters with aggregation-induced emission features for high-performance organic light-emitting diodes. Journal of materials chemistry. publ. by The Royal Society of Chemistry. C, Materials for optical and electronic devices /, doi:10.1039/c8tc05547e

Pyrene is a representative aggregation-caused quenching (ACQ) chromophore. Herein, by introducing tetraphenylethylene or triphenylethylene with a typical aggregation-induced emission (AIE) characteristic at its 2,7-positions, we have succeeded in con... Read More

Mono-oxo molybdenum(VI) and tungsten(VI) complexes bearing chelating aryloxides: synthesis, structure and ring opening polymerization of cyclic esters (2018)
Journal Article
Sun, Z., Zhao, Y., Prior, T. J., Elsegood, M. R., Wang, K., Xing, T., & Redshaw, C. (2019). Mono-oxo molybdenum(VI) and tungsten(VI) complexes bearing chelating aryloxides: synthesis, structure and ring opening polymerization of cyclic esters. Dalton transactions : an international journal of inorganic chemistry / RSoC, 48(4), 1454-1466. doi:10.1039/c8dt04566f

The mono-oxo aryloxide complexes [M(O)(L1)2] (M = Mo (1·hexane), W(2·2MeCN)) have been prepared from [Mo(O)(Cl)4] or [W(O)(Ot-Bu)4] and two equivalents of the di-phenol 2,2/-ethylidenebis(4,6-di-tert-butylphenol) L1H2, respectively. Use of in-situ ge... Read More

Supramolecular drug inclusion complex constructed from cucurbit[7]uril and the hepatitis B drug Adefovir (2018)
Journal Article
Feng, H., Kan, J., Redshaw, C., Bian, B., Tao, Z., & Xiao, X. (2019). Supramolecular drug inclusion complex constructed from cucurbit[7]uril and the hepatitis B drug Adefovir. Supramolecular chemistry, 31(4), 260-267. https://doi.org/10.1080/10610278.2018.1562193

The interaction between cucuribit[7]uril (Q[7]) and Adefovir (ADV) has been studied in aqueous solution by 1H NMR spectroscopy, electronic absorption spectroscopy, Isothermal Titration Calorimetry and mass spectrometry. The results revealed that an i... Read More

A study of the interaction between cucurbit[8]uril and alkyl substituted 4-pyrrolidinopyridinium salts (2018)
Journal Article
Redshaw, C., Xu, W., Kan, J., Yang, B., Prior, T. J., Bian, B., …Tao, Z. (2019). A study of the interaction between cucurbit[8]uril and alkyl substituted 4-pyrrolidinopyridinium salts. Chemistry - An Asian Journal, 14(1), 235-242. doi:10.1002/asia.201801498

The interaction between cucuribit[8]uril (Q[8]) and a series of 4-pyrrolidinopyridinium salts bearing aliphatic substituents at the pyridinium nitrogen, namely 4-(C4H8N)C5H5NRBr, where R = Et (g1), n-butyl (g2), n-pentyl (g3), n-hexyl (g4), n-octyl (... Read More

Pyrene-fused pyrazaacenes with eight rectilinearly arranged aromatic rings (2018)
Journal Article
Wang, C., Feng, X., Elsegood, M. R., Warwick, T. G., Teat, S. J., Redshaw, C., …Yamato, T. (2019). Pyrene-fused pyrazaacenes with eight rectilinearly arranged aromatic rings. Asian journal of organic chemistry an ACES journal, 8(1), 155-160. doi:10.1002/ajoc.201800608

A series of pyrene‐fused azaacene‐type conjugated molecules containing two pyrazine units and up to eight rectilinearly arranged aromatic rings were prepared by condensation coupling reactions in moderate yields. The geometries and electronic structu... Read More

Macrocycle encapsulation triggered supramolecular pKa shift: A fluorescence indicator for detecting octreotide in aqueous solution (2018)
Journal Article
Yin, T., Zhang, S., Li, M., Redshaw, C., & Ni, X. (2019). Macrocycle encapsulation triggered supramolecular pKa shift: A fluorescence indicator for detecting octreotide in aqueous solution. Sensors and actuators. B, Chemical, 281, 568-573. doi:10.1016/j.snb.2018.10.136

Supramolecular pKa shifts, have attracted much attention in catalytic and biomimetic studies because of their excellent property to modify the acidity or basicity of the substrate in aqueous media by host-guest inclusion. Here, Fluorescence indicator... Read More

Vanadyl sulfates: molecular structure, magnetism and electrochemical activity (2018)
Journal Article
Ignaszak, A., Patterson, N., Radtke, M., Elsegood, M. R., Frese, J. W., Lipman, J. L., …Redshaw, C. (2018). Vanadyl sulfates: molecular structure, magnetism and electrochemical activity. Dalton transactions : an international journal of inorganic chemistry / RSoC, 47(44), 15983-15993. doi:10.1039/c8dt03626h

Reaction of differing amounts of vanadyl sulfate with p-tert-butylthiacalix[4]areneH4 and base allows access to the vanadyl-sulfate species [NEt4]4[(VO)4(3-OH)4(SO4)4]∙1/2H2O (1), [HNEt3]5[(VO)5(3-O)4(SO4)4]∙4MeCN (2∙4MeCN) and [NEt4]2[(VO)6(O)2(SO... Read More

A multifunctional tripodal fluorescent probe for the recognition of Cr3+, Al3+, Zn2+ and F− with controllable ESIPT processes (2018)
Journal Article
Zhang, H., Sun, T., Ruan, Q., Zhao, J., Mu, L., Zeng, X., …Redshaw, C. (2019). A multifunctional tripodal fluorescent probe for the recognition of Cr3+, Al3+, Zn2+ and F− with controllable ESIPT processes. Dyes and pigments : an international journal, 162, 257-265. doi:10.1016/j.dyepig.2018.10.025

Three 4-(benzo[d]thiazol-2-yl)-2,5-dihydroxybenzaldehyde fluorophores were introduced to construct a tripodal multifunctional ESPIT fluorescence probe L. The fluorescent analysis revealed that probe L exhibited excellent recognition capabilities towa... Read More

Synthesis, Crystal Structure, and Cytotoxicity Studies of titanacalix[4 and 8]arene Complexes (2018)
Journal Article
Miller-Shakesby, D. M., Nigam, S., Hughes, D. L., Lopez-Estelles, E., Elsegood, M. R., Cawthorne, C. J., …Redshaw, C. (2018). Synthesis, Crystal Structure, and Cytotoxicity Studies of titanacalix[4 and 8]arene Complexes. Dalton transactions : an international journal of inorganic chemistry / RSoC, 47(27), (8992-8999). doi:10.1039/c8dt01992d. ISSN 1477-9226

© 2018 The Royal Society of Chemistry. Reaction of 5,11,17,23-tetra-tert-butyl-dihydroxy-26,28-bis(2-pentoxy)calix[4]arene (L(OH)2(Opentyl)2) with [TiCl4] afforded the dichlorotitanoacalix[4]arene complex [TiCl2L(O)2(Opentyl)2] (1) in good yield. Hyd... Read More

A study of the interaction between inverted cucurbit[6]uril and symmetric viologens (2018)
Journal Article
Bai, D., Gao, Z., Tao, Z., Xiao, X., Prior, T. J., Wei, G., …Redshaw, C. (2018). A study of the interaction between inverted cucurbit[6]uril and symmetric viologens. New journal of chemistry = Nouveau journal de chimie, 42(13), 11085-11092. doi:10.1039/c8nj01589a

The interaction between inverted cucuribit[6]uril (iQ[6]) and a series of symmetric viologens bearing aliphatic substituents, namely dicationic dialkyl-4,4′-bipyridinium guests where the alkyl substituent is CH3(CH2)n (n = 1, 3 and 5) or benzyl, has... Read More

A review on the recent advances in the reductions of carbon–carbon/oxygen multiple bonds including aromatic rings using Raney Ni–Al Alloy or Al powder in the presence of noble metal catalysts in water (2018)
Journal Article
Rayhan, U., Kowser, Z., Islam, M. N., Redshaw, C., & Yamato, T. (2018). A review on the recent advances in the reductions of carbon–carbon/oxygen multiple bonds including aromatic rings using Raney Ni–Al Alloy or Al powder in the presence of noble metal catalysts in water. Topics in catalysis, 61(7-8), 560-574. doi:10.1007/s11244-018-0994-2

Over the past few years, heterogeneous catalysts have attracted much attention with a view to lowering reaction temperatures and improving the selectivity of many organic syntheses. When it comes to designing or optimizing a catalyst, a lot of attent... Read More

Two-photon-absorption properties of pyrene-based dipolar D-π-A fluorophores (2018)
Journal Article
Wang, C., Zhang, R., Sakaguchi, K., Feng, X., Yu, X., Elsegood, M. R. J., …Yamato, T. (2018). Two-photon-absorption properties of pyrene-based dipolar D-π-A fluorophores. Chemphotochem, 2(8), 749-756. doi:10.1002/cptc.201800053

Two‐photon absorption (TPA) properties of pyrene‐based derivatives are rare as a result of the limited number of controllable synthetic methods to prepare them. However, these materials are in great demand given their potential practical application... Read More

A hexahomotrioxacalix[3]arene-based ditopic receptor for alkylammonium ions controlled by Ag + ions 4 (2018)
Journal Article
Georghiou, P., Elsegood, M., Teat, S., Elsegood, M. R., Jiang, X., Ikejiri, Y., …Yamato, T. (2018). A hexahomotrioxacalix[3]arene-based ditopic receptor for alkylammonium ions controlled by Ag + ions 4. Molecules, 23(2), (467). doi:10.3390/molecules23020467. ISSN 1420-3049

A receptor cone-1 based on a hexahomotrioxacalix[3]arene bearing three pyridyl groups 21 was successfully synthesized, which has a C3-symmetric conformation and is capable of binding 22 alkylammonium and metal ions simultaneously in a cooperative fas... Read More

A three-dimensional (time, wavelength and intensity) functioning fluorescent probe for the selective recognition/discrimination of Cu2+, Hg2+, Fe3+ and F- ions (2018)
Journal Article
Ruan, Q., Mu, L., Zeng, X., Zhao, J. L., Zeng, L., Chen, Z. M., …Redshaw, C. (2018). A three-dimensional (time, wavelength and intensity) functioning fluorescent probe for the selective recognition/discrimination of Cu2+, Hg2+, Fe3+ and F- ions. Dalton transactions : an international journal of inorganic chemistry / RSoC, 47(11), (3674-3678). doi:10.1039/c7dt04785a. ISSN 1477-9226

We have strategically incorporated three different fluorophores at tren to construct a multi-energy donor/acceptor “smart” probe L. This probe operates by using three-dimensional scales (response time, wavelength and fluorescence intensity) which all... Read More

Multiple photoluminescence from pyrene-fused hexaarylbenzenes with aggregation-enhanced emission features (2018)
Journal Article
Venkatesan, P., Yamato, T., Elsegood, M. R., Wang, C., Noda, Y., Wu, C., …Yamato, P. T. (2018). Multiple photoluminescence from pyrene-fused hexaarylbenzenes with aggregation-enhanced emission features. Asian journal of organic chemistry an ACES journal, 7(2), (444-450). doi:10.1002/ajoc.201700563. ISSN 2193-5807

© 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim Multiple photoluminescence, which included monomer emission, excimer emission, and charge-transfer emission processes, has been observed from new pyrene-fused hexaarylbenzene (HAB) compounds, which... Read More

Host-guest interaction of cucurbit[8]uril with n-(3-aminopropyl)cyclohexylamine: Cyclohexyl encapsulation triggered ternary complex (2018)
Journal Article
Xia, Y., Wang, C., Tian, M., Tao, Z., Ni, X., Prior, T. J., & Redshaw, C. (2018). Host-guest interaction of cucurbit[8]uril with n-(3-aminopropyl)cyclohexylamine: Cyclohexyl encapsulation triggered ternary complex. Molecules, 23(1), 175. doi:10.3390/molecules23010175

2018 by the authors. The host-guest interaction of a series of cyclohexyl-appended guests with cucurbit[8]uril (Q[8] ) was studied by 1 H NMR spectroscopy, isothermal titration calorimetry (ITC), and X-ray crystallography. The X-ray structure reveale... Read More