All Outputs (405)

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, 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 about Synthesis, Crystal Structure, and Cytotoxicity Studies of titanacalix[4 and 8]arene Complexes.

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 about A study of the interaction between inverted cucurbit[6]uril and symmetric viologens.

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 about 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.

Two-photon-absorption properties of pyrene-based dipolar D-π-A fluorophores (2018)
Journal Article
Wang, C. Z., 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 about Two-photon-absorption properties of pyrene-based dipolar D-π-A fluorophores.

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. https://doi.org/10.3390/molecules23020467

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 about A hexahomotrioxacalix[3]arene-based ditopic receptor for alkylammonium ions controlled by Ag + ions 4.

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, 47(11), 3674-3678. https://doi.org/10.1039/c7dt04785a

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 about A three-dimensional (time, wavelength and intensity) functioning fluorescent probe for the selective recognition/discrimination of Cu2+, Hg2+, Fe3+ and F- ions.

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. https://doi.org/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 about Host-guest interaction of cucurbit[8]uril with n-(3-aminopropyl)cyclohexylamine: Cyclohexyl encapsulation triggered ternary complex.

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. https://doi.org/10.1002/ajoc.201700563

© 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 about Multiple photoluminescence from pyrene-fused hexaarylbenzenes with aggregation-enhanced emission features.

Pyrene-based color-tunable dipolar molecules: Synthesis, characterization and optical properties (2018)
Journal Article
Wang, C. Z., Feng, X., Kowser, Z., Wu, C., Akther, T., Elsegood, M. R. J., …Yamato, T. (2018). Pyrene-based color-tunable dipolar molecules: Synthesis, characterization and optical properties. Dyes and pigments : an international journal, 153, 125-131. https://doi.org/10.1016/j.dyepig.2018.01.003

© 2018 Elsevier Ltd A controllable regioselective approach to achieve dipolar functionalization at the active sites (1,3-positions) and K-region (5,9-positions) of pyrene is demonstrated. Following this strategy, a set of dipolar 1,3-diphenyl-5,9-di(... Read More about Pyrene-based color-tunable dipolar molecules: Synthesis, characterization and optical properties.

Reduction of phenylacetylenes using Raney Ni-Al alloy, Al powder in the presence of noble metal catalysts in water (2017)
Journal Article
Rayhan, U., Kowser, Z., Islam, M. N., Redshaw, C., & Yamato, T. (2017). Reduction of phenylacetylenes using Raney Ni-Al alloy, Al powder in the presence of noble metal catalysts in water. Arkivoc, 2018(2), 241-251. https://doi.org/10.24820/ark.5550190.p010.277

Dedicated to Prof. Kenneth Laali on the occasion of his 66th birthday Received mm-dd-yyyy Accepted mm-dd-yyyy Published on line mm-dd-yyyy Dates to be inserted by editorial office Abstract The chemoselective reduction is based on the reaction of Rane... Read More about Reduction of phenylacetylenes using Raney Ni-Al alloy, Al powder in the presence of noble metal catalysts in water.

Synthesis and structure of a chiral areno-bridged [2.4]metacyclophane (2017)
Journal Article
Islam, M., Akther, T., Matsumoto, T., Tanaka, J., Thuéry, P., Redshaw, C., & Yamato, T. (2018). Synthesis and structure of a chiral areno-bridged [2.4]metacyclophane. Tetrahedron, 74(2), 329-335. https://doi.org/10.1016/j.tet.2017.11.075

© 2017 Elsevier Ltd The reductive coupling reaction of 1,4-bis(3-acetyl-5-tert-butyl-2-methoxyphenyl)butane 3 was carried out using TiCl 4 -Zn in pyridine followed by a McMurry coupling reaction to afford the compounds anti and syn 1,2-dimethyl[2.4]M... Read More about Synthesis and structure of a chiral areno-bridged [2.4]metacyclophane.

Molybdocalix[4]arene N,O-Schiff-base ligands (2017)
Journal Article
Wang, X., Zhao, K. Q., Elsegood, M. R., & Redshaw, C. (2018). Molybdocalix[4]arene N,O-Schiff-base ligands. Supramolecular chemistry, 30(5-6), 404-410. https://doi.org/10.1080/10610278.2017.1403608

The ‘one-pot’ reaction of 2-hydroxy-3,5-di-tert-butylsalicylaldehyde with in situ generated ‘amino calixarene’ (from {Mo[(2-NC 6 H 4 ) 2 CH 2 CH 2 ]Cl 2 (DME)}, KOtBu and p-tert-butylcalix[4]areneH 4 LH 4 ) afforded, after work-up, the heterobimetall... Read More about Molybdocalix[4]arene N,O-Schiff-base ligands.

Highly selective recognition of Al3+ and I- ions using a bifunctional fluorescent probe (2017)
Journal Article
Li, Z., Zhao, J., Wu, Y., Mu, L., Zeng, X., Jin, Z., …Redshaw, C. (2017). Highly selective recognition of Al3+ and I- ions using a bifunctional fluorescent probe. Organic & biomolecular chemistry, 15(40), 8627-8633. https://doi.org/10.1039/C7OB02301D

A tripodal fluorescent probe L1 armed with rhodamine B and 1-naphthaleneisothiocyanates was prepared in high yield. A study of the recognition properties revealed that probe L1 exhibited high sensitivity and selectivity towards Al3⁺ through a “FRET”... Read More about Highly selective recognition of Al3+ and I- ions using a bifunctional fluorescent probe.

Synthesis, Conformational Properties and DFT Computational Studies of Polymethyl-Substituted [3.3]Metacyclophanes (2017)
Journal Article
Islam, M. M., Akther, T., Rahman, S., Georghiou, P. E., Matsumoto, T., Tanaka, J., …Yamato, T. (2017). Synthesis, Conformational Properties and DFT Computational Studies of Polymethyl-Substituted [3.3]Metacyclophanes. ChemistrySelect, 2(24), 7255-7262. https://doi.org/10.1002/slct.201701243

Polymethyl substituted [3.3]metacyclophanes (MCPs) 4 a–d, were synthesized by the TosMIC coupling method followed by Wolff–Kishner reduction of the corresponding polymethyl-substituted [3.3]MCP-2,11-diones (3 a–d). 1H NMR spectroscopy reveals that bo... Read More about Synthesis, Conformational Properties and DFT Computational Studies of Polymethyl-Substituted [3.3]Metacyclophanes.

Click synthesis of a quinoline-functionalized hexahomotrioxacalix[3]arene : a turn-on fluorescence chemosensor for Fe³⁺ (2017)
Journal Article
Wu, C., Wang, C., Zhu, Q., Zeng, X., Redshaw, C., & Yamato, T. (2018). Click synthesis of a quinoline-functionalized hexahomotrioxacalix[3]arene : a turn-on fluorescence chemosensor for Fe³⁺. Sensors and actuators. B, Chemical, 254, 52-58. https://doi.org/10.1016/j.snb.2017.07.048

A novel quinoline-functionalized hexahomotrioxacalix[3]arene L was synthesized via Click chemistry and its chemosensing properties with various metal ions were investigated. The chemosensor L exhibited a high selectivity for Fe³⁺ with little interfer... Read More about Click synthesis of a quinoline-functionalized hexahomotrioxacalix[3]arene : a turn-on fluorescence chemosensor for Fe³⁺.

Synthesis and structure of the inclusion complex {NdQ[5]K@Q[10](H₂O)4}·4NO₃·20H₂O (2017)
Journal Article
Chen, L. X., Kan, J. L., Cong, H., Prior, T. J., Tao, Z., Xiao, X., & Redshaw, C. (2017). Synthesis and structure of the inclusion complex {NdQ[5]K@Q[10](H₂O)4}·4NO₃·20H₂O. Molecules, 22(7), 1147. https://doi.org/10.3390/molecules22071147

Heating a mixture of Nd(NO₃)₃·6H₂O, KCl, Q[10] and Q[5] in HCl for 10 min affords the inclusion complex {NdQ[5]K@Q[10](H₂O)₄}·4NO₃·20H₂O. The structure of the inclusion complex has been investigated by single crystal X-ray diffraction and by X-ray Ph... Read More about Synthesis and structure of the inclusion complex {NdQ[5]K@Q[10](H₂O)4}·4NO₃·20H₂O.

A quinoline-based fluorometric and colorimetric dual-modal pH probe and its application in bioimaging (2017)
Journal Article
Zhu, Q., Li, Z., Mu, L., Zeng, X., Redshaw, C., & Wei, G. (2018). A quinoline-based fluorometric and colorimetric dual-modal pH probe and its application in bioimaging. Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 188, 230-236. https://doi.org/10.1016/j.saa.2017.06.071

The compound (E)-8-hydroxyl-2-[(E)-2-(2, 4-dihydroxyphenyl)vinyl]-quinoline (1) has been developed as a fluorometric and colorimetric dual-modal probe for pH detection in solution and in vivo. Remarkable changes in the fluorescence intensity with lar... Read More about A quinoline-based fluorometric and colorimetric dual-modal pH probe and its application in bioimaging.

A pyrene-based approach to tune emission color from blue to yellow (2017)
Journal Article
Wang, C., Ichiyanagi, H., Sakaguchi, K., Feng, X., Elsegood, M. R., Redshaw, C., & Yamato, T. (2017). A pyrene-based approach to tune emission color from blue to yellow. Journal of Organic Chemistry, 82(14), 7176-7182. https://doi.org/10.1021/acs.joc.7b00685

The development of functionalized, luminescent, pyrene-based monomers has been and continues to be an area of great interest in terms of the design and fabrication of optical and electronic devices. Herein, a facile strategy to tune the emission colo... Read More about A pyrene-based approach to tune emission color from blue to yellow.

A 2-Styryl-1,8-naphthyridine derivative as a versatile fluorescent probe for the selective recognition of Hg²⁺, Ag⁺ and F⁻ ions by tuning the solvent (2017)
Journal Article
Wu, Y. T., Zhao, J., Mu, L., Zeng, X., Wei, G., Redshaw, C., & Jin, Z. (2017). A 2-Styryl-1,8-naphthyridine derivative as a versatile fluorescent probe for the selective recognition of Hg²⁺, Ag⁺ and F⁻ ions by tuning the solvent. Sensors and actuators. B, Chemical, 252, 1089-1097. https://doi.org/10.1016/j.snb.2017.06.057

A novel fluorescent probe 1 has been synthesized by a microwave reaction, and its ion-binding and fluorescence-sensing properties have been investigated under different solvent conditions. The analysis results indicated that probe 1 can act as a mult... Read More about A 2-Styryl-1,8-naphthyridine derivative as a versatile fluorescent probe for the selective recognition of Hg²⁺, Ag⁺ and F⁻ ions by tuning the solvent.

Use of metal catalysts bearing Schiff base macrocycles for the ring opening polymerization (ROP) of cyclic esters (2017)
Journal Article
Redshaw, C. (2017). Use of metal catalysts bearing Schiff base macrocycles for the ring opening polymerization (ROP) of cyclic esters. Catalysts, 7(5), Article 165. https://doi.org/10.3390/catal7050165

© 2017 by the authors. Schiff base macrocycles are emerging as useful scaffolds for binding two or more catalytic metals in close proximity. Such coordination chemistry allows for the evaluation of potentially beneficial catalytic cooperative effects... Read More about Use of metal catalysts bearing Schiff base macrocycles for the ring opening polymerization (ROP) of cyclic esters.