Turning on ROP activity in a bimetallic Co/Zn complex supported by a [2+2] Schiff-base macrocycle (2019)
Journal Article
Wang, K., Prior, T. J., & Redshaw, C. (2019). Turning on ROP activity in a bimetallic Co/Zn complex supported by a [2+2] Schiff-base macrocycle. Chemical communications : Chem comm / the Royal Society of Chemistry, https://doi.org/10.1039/c9cc04494a

Homo-dinuclear complexes Co and Zn complexes derived from the macrocycle LH2, {[2-(OH)-5-(R)-C6H2-1,3-(CH)2][CH2CH2(2-C6H4N)2]}2 (R = Me, tBu), revealed near inactivity for the ring opening polymerization (ROP) of the cyclic esters δ-valerolactone (... Read More

Synthesis, structure, and cytotoxicity studies of oxidovanadium(IV and V) complexes bearing chelating phenolates (2019)
Journal Article
Miller-Shakesby, D. M., Nigam, S., Brookfield, A., McInnes, E. J., Prior, T. J., Archibald, S. J., & Redshaw, C. (2019). Synthesis, structure, and cytotoxicity studies of oxidovanadium(IV and V) complexes bearing chelating phenolates. Polyhedron, 171, 1-9. https://doi.org/10.1016/j.poly.2019.06.051

The interaction of [VO(acac)2] with 2,6-bis(hydroxymethyl)-4-methylphenol (L1H3) or 6,6/-methylenebis(4-tert-butyl-2-(hydroxymethyl)phenol) (L2H4) in refluxing toluene afforded, following work-up in ethanol, the complexes [VOL1]2 (1) and {[VO(acac)(H... Read More

A hemicyanine and cucurbit[n]uril inclusion complex: competitive guest binding of cucurbit[7]uril and cucurbit[8]uril (2019)
Journal Article
Xu, W., Kan, J., Redshaw, C., Bian, B., Fan, Y., Tao, Z., & Xiao, X. (2019). A hemicyanine and cucurbit[n]uril inclusion complex: competitive guest binding of cucurbit[7]uril and cucurbit[8]uril. Supramolecular chemistry, 31(7), 457-465. https://doi.org/10.1080/10610278.2019.1624748

The interaction between the hemicyanine indole derivative H and the cucubit[n]urils Q[7] and Q[8] has been studied using 1H NMR and UV spectroscopy as well as by fluorescence experiments. Competitive studies on the inclusion of H by Q[7] and Q[8] hav... Read More

An efficient ICT-based ratio/colorimetric tripodal azobenzene probe for the recognition/discrimination of F−, AcO− and H2PO4− anions (2019)
Journal Article
Liao, X., Fang, J., Zhao, J., Ruan, Q., Zeng, X., Luo, Q., & Redshaw, C. (2019). An efficient ICT-based ratio/colorimetric tripodal azobenzene probe for the recognition/discrimination of F−, AcO− and H2PO4− anions. Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 221, https://doi.org/10.1016/j.saa.2019.117174

The tripodal probe L was readily prepared via introducing rhodamine and azobenzene groups in a two-step procedure. Studies of the recognition properties indicated that probe L exhibited high sensitivity and selectivity towards F−, AcO− and H2PO4− thr... Read More

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. https://doi.org/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
Xu, W., Kan, J., Yang, B., Prior, T. J., Bian, B., Xiao, X., …Redshaw, C. (2019). A study of the interaction between cucurbit[8]uril and alkyl substituted 4-pyrrolidinopyridinium salts. Chemistry - An Asian Journal, 14(1), 235-242. https://doi.org/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. https://doi.org/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. https://doi.org/10.1039/c8dt01992d

© 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. https://doi.org/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. https://doi.org/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. https://doi.org/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