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Professor Carl Redshaw


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 about Cyclotrimerization of alkynes catalyzed by a self-supported cyclic tri-nuclear nickel(0) complex with α-diimine ligands.

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.

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.

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), 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.

Synthesis and fluorescence emission properties of D-π-D monomers based on dithieno[3,2-b:2′,3′-d]thiophene (2017)
Journal Article
Wang, C., Do, J., Akther, T., Feng, X., Matsumoto, T., Tanaka, J., …Yamato, T. (2017). Synthesis and fluorescence emission properties of D-π-D monomers based on dithieno[3,2-b:2′,3′-d]thiophene. Journal of Luminescence, 188(388), 388-393 . https://doi.org/10.1016/j.jlumin.2017.04.060

We herein present four highly fluorescent and stable D-π-D monomers (2), which were designed and synthesized using different types of aryl substituent as the donor via a Suzuki-Miyaura coupling reaction. We have studied these four symmetrical chromop... Read More about Synthesis and fluorescence emission properties of D-π-D monomers based on dithieno[3,2-b:2′,3′-d]thiophene.

Extended π-conjugated pyrene derivatives: structural, photophysical and electrochemical properties (2016)
Journal Article
Feng, X., Seto, N., Wang, C., Matsumoto, T., Tanaka, J., Wei, X., …Yamato, T. (2016). Extended π-conjugated pyrene derivatives: structural, photophysical and electrochemical properties. ChemistrySelect, 1(9), 1926-1932 . https://doi.org/10.1002/slct.201600598

This article presents a set of extended π-conjugated pyrene derivatives, namely 1,3-di(arylethynyl)-7-tert-butylpyrenes, which were synthesized by a Pd-catalyzed Sonogashira coupling reaction of 1,3-dibromo-7-tert-butylpyrenes with the corresponding... Read More about Extended π-conjugated pyrene derivatives: structural, photophysical and electrochemical properties.

Fluorescent turn-on sensors based on pyrene-containing Schiff base derivatives for Cu2+ recognition: spectroscopic and DFT computational studies (2016)
Journal Article
Kowser, Z., Jin, C., Jiang, X., Rahman, S., Georghiou, P. E., Ni, X., …Yamato, T. (2016). Fluorescent turn-on sensors based on pyrene-containing Schiff base derivatives for Cu2+ recognition: spectroscopic and DFT computational studies. Tetrahedron, 72(30), 4575-4581 . https://doi.org/10.1016/j.tet.2016.06.017

A new fluorescent chemosensor L1, pyrene containing long chain Schiff base derivative in 1-position has been synthesized. Similarly, the receptors L2 and L3 are also designed in order to compare the binding ability for detection of Cu2+. The receptor... Read More about Fluorescent turn-on sensors based on pyrene-containing Schiff base derivatives for Cu2+ recognition: spectroscopic and DFT computational studies.

Molecular catalysis for precise olefin polymerization and ROP 2015 (2016)
Journal Article
Redshaw, C. (2016). Molecular catalysis for precise olefin polymerization and ROP 2015. Catalysts, 6(4), 53. https://doi.org/10.3390/catal6040053

The growth of emerging markets, particularly in the Far East, has fuelled the demand for new plastic materials. This in turn has stimulated both academic and industrial interest in the design of catalyst systems for which new Intellectual Property (I... Read More about Molecular catalysis for precise olefin polymerization and ROP 2015.

A pyrene-functionalized triazole-linked hexahomotrioxacalix[3]arene as a fluorescent chemosensor for Zn²⁺ ions (2016)
Journal Article
Wu, C., Ikejiri, Y., Zhao, J., Jiang, X., Ni, X., Zeng, X., …Yamato, T. (2016). A pyrene-functionalized triazole-linked hexahomotrioxacalix[3]arene as a fluorescent chemosensor for Zn²⁺ ions. Sensors and actuators. B, Chemical, 228(2 June), 480-485 . https://doi.org/10.1016/j.snb.2016.01.051

A new pyrenyl appended hexahomotrioxacalix[3]arene L featuring 1,2,3-triazole linkers was synthesized as a fluorescent chemosensor for Zn²⁺ in mixed aqueous media. It exhibited high affinity toward Zn²⁺, and the monomer and excimer emission of the py... Read More about A pyrene-functionalized triazole-linked hexahomotrioxacalix[3]arene as a fluorescent chemosensor for Zn²⁺ ions.

A uracil nitroso amine based colorimetric sensor for the detection of Cu²⁺ ions from aqueous environment and its practical applications (2015)
Journal Article
Patil, S. R., Nandre, J. P., Patil, P. A., Sahoo, S. K., Devi, M., Pradeep, C. P., …Patil, U. D. (2015). A uracil nitroso amine based colorimetric sensor for the detection of Cu²⁺ ions from aqueous environment and its practical applications. RSC advances, 5(28), 21464-21470 . https://doi.org/10.1039/c4ra10419f

A simple uracil nitroso amine based colorimetric chemosensor (UNA-1) has been synthesized and screened for its cation recognition ability. Sensor UNA-1 exhibited a high sensitivity and selectivity towards Cu²⁺ ions in aqueous medium in the presence o... Read More about A uracil nitroso amine based colorimetric sensor for the detection of Cu²⁺ ions from aqueous environment and its practical applications.