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Professor Carl Redshaw


Synthesis of mono-O-alkylated homooxacalix[3]arene and a protection–deprotection strategy for homooxacalix[3]arene (2016)
Journal Article
Elsegood, M. R. J., Elsegood, M. R., Wu, C., Ikejiri, Y., Zeng, X., Elsegood, M., …Yamato, T. (2017). Synthesis of mono-O-alkylated homooxacalix[3]arene and a protection–deprotection strategy for homooxacalix[3]arene. Organic Letters, 19(1), 66-69. https://doi.org/10.1021/acs.orglett.6b03338

The regioselective synthesis of mono-O-alkylated homooxacalix[3]arene is accomplished for the first time. The synthetic route relies on two key steps: (i) a facile protection of two OH groups at the lower rim of the homooxacalix[3]arene and (ii) th... Read More about Synthesis of mono-O-alkylated homooxacalix[3]arene and a protection–deprotection strategy for homooxacalix[3]arene.

D-π-D chromophores based on dithieno[3,2-b:2′,3'-d]thiophene (DTT) : potential application in the fabrication of solar cell (2016)
Journal Article
Akther, T., Feng, X., Elsegood, M. R., Elsegood, M. R., Wang, C., Do, J., …Yamato, T. (2017). D-π-D chromophores based on dithieno[3,2-b:2′,3'-d]thiophene (DTT) : potential application in the fabrication of solar cell. Tetrahedron, 73(4), 307-312. https://doi.org/10.1016/j.tet.2016.11.077

In this work, four stable dithieno[3,2-b:2′,3'-d]thiophene-based π-extended molecules were designed and synthesized via a Pd-catalysed Sonogashira coupling reaction. The structures of these symmetrical compounds, including dithieno[3,2-b:2′,3'-d]thio... Read More about D-π-D chromophores based on dithieno[3,2-b:2′,3'-d]thiophene (DTT) : potential application in the fabrication of solar cell.

Reduction of diphenylacetylene using Al powder in the presence of noble metal catalysts in water (2016)
Journal Article
Redshaw, C., Kowser, Z., Rayhan, U., & Yamato, T. (2016). Reduction of diphenylacetylene using Al powder in the presence of noble metal catalysts in water. Tetrahedron, 72(44), 6943-6947. https://doi.org/10.1016/j.tet.2016.09.021

Diphenylacetylenes can be reduced to the corresponding diphenylethanes (2) in water in excellent yield using Al powder and Pd/C at 60 °C for 3 h in a sealed tube. In addition, the complete reduction of both aromatic rings required 80 °C for 15 h with... Read More about Reduction of diphenylacetylene using Al powder in the presence of noble metal catalysts in water.

A study of anion binding behaviour of 1,3-alternate thiacalix[4]arene-based receptors bearing urea moieties (2016)
Journal Article
Rahman, S., Tomiyasu, H., Kawazoe, H., Zhao, J., Cong, H., Ni, X., …Yamato, T. (2016). A study of anion binding behaviour of 1,3-alternate thiacalix[4]arene-based receptors bearing urea moieties. New journal of chemistry = Nouveau journal de chimie, 40(11), 9245-9251. https://doi.org/10.1039/c6nj00923a

© 2016 The Royal Society of Chemistry and the Centre National de la Recherche Scientifique. Three novel thiacalix[4]arene receptors 4 a-c each with a 1,3-alternate conformation and possessing two urea moieties linking various phenyl groups substitute... Read More about A study of anion binding behaviour of 1,3-alternate thiacalix[4]arene-based receptors bearing urea moieties.

An unprecedented photochemical reaction for anthracene-containing derivatives (2016)
Journal Article
Zhao, J., Jiang, X., Wu, C., Wang, C., Zeng, X., Redshaw, C., & Yamato, T. (2016). An unprecedented photochemical reaction for anthracene-containing derivatives. Chemphyschem, 17(20), 3217-3222. https://doi.org/10.1002/cphc.201600783

A series of anthracene-containing derivatives have been synthesised and characterised. The photochemical behaviour of these derivatives have been investigated by 1 H NMR spectroscopy. An unprecedented photolysis reaction for anthracene-containing de... Read More about An unprecedented photochemical reaction for anthracene-containing derivatives.

A novel fluorescence “on–off–on” chemosensor for Hg²⁺ via a water-assistant blocking heavy atom effect (2016)
Journal Article
Wu, C., Zhao, J., Jiang, X., Wang, C., Ni, X., Zeng, X., …Yamato, T. (2016). A novel fluorescence “on–off–on” chemosensor for Hg²⁺ via a water-assistant blocking heavy atom effect. Dalton transactions : an international journal of inorganic chemistry / RSoC, 45(38), 14948-14953. https://doi.org/10.1039/c6dt02274j

Upper rim pyrene-functionalized hexahomotrioxacalix[3]arene L was synthesized via Click chemistry, and its fluorescence behaviors toward several common metal cations were investigated. L exhibited a significant fluorescence quenching response to Hg²⁺... Read More about A novel fluorescence “on–off–on” chemosensor for Hg²⁺ via a water-assistant blocking heavy atom effect.

Synthesis, structures and conformational studies of 1,2-dimethyl[2.10]metacyclophane-1-enes (2016)
Journal Article
Akther, T., Islam, M. M., Rahman, S., Georghiou, P. E., Matsumoto, T., Tanaka, J., …Yamato, T. (2016). Synthesis, structures and conformational studies of 1,2-dimethyl[2.10]metacyclophane-1-enes. ChemistrySelect, 1(13), 3594-3600. doi:10.1002/slct.201600670

A series of 1,2-dimethyl[2.10]metacyclophan-1-enes (MCP-1-enes) containing different substituent groups has been synthesized to illustrate their conformational behavior. 4,22-dimethoxy-1,2-dimethyl[2.10]MCP-1-ene 3 was synthesized by a Grignard coupl... Read More about Synthesis, structures and conformational studies of 1,2-dimethyl[2.10]metacyclophane-1-enes.

Supramolecular assemblies constructed from inverted cucurbit[7]uril and lanthanide cations: synthesis, structure and sorption properties (2016)
Journal Article
Li, Q., Qiu, S., Zhang, Y., Xue, S., Tao, Z., Prior, T. J., …Xiao, X. (in press). Supramolecular assemblies constructed from inverted cucurbit[7]uril and lanthanide cations: synthesis, structure and sorption properties. RSC advances, 6(81), 77805-77810. https://doi.org/10.1039/c6ra15559f

The interaction of a series of lanthanide cations (Ln³⁺) with inverted cucurbit[7]uril (iQ[7]) in the presence of [ZnCl₄]²⁻ anions as a structure-directing agent have been investigated. Single-crystal X-ray diffraction analysis has revealed that the... Read More about Supramolecular assemblies constructed from inverted cucurbit[7]uril and lanthanide cations: synthesis, structure and sorption properties.

“Janus” calixarenes: double–sided molecular linkers for facile, multi-anchor point, multi-functional, surface modification (2016)
Journal Article
Buttress, J. P., Day, D. P., Courtney, J. M., Lawrence, E. J., Hughes, D. L., Blagg, R. J., …Wildgoose, G. G. (2016). “Janus” calixarenes: double–sided molecular linkers for facile, multi-anchor point, multi-functional, surface modification. Langmuir : the ACS journal of surfaces and colloids, 32(31), (7806-7813). doi:10.1021/acs.langmuir.6b02222. ISSN 0743-7463

We herein report the synthesis of novel "Janus" calix[4]arenes bearing four "molecular tethering" functional groups on either the upper or lower rims of the calixarene. These enable facile multipoint covalent attachment to electrode surfaces with mon... Read More about “Janus” calixarenes: double–sided molecular linkers for facile, multi-anchor point, multi-functional, surface modification.

Click-modified hexahomotrioxacalix[3]arenes as fluorometric and colorimetric dual-modal chemosensors for 2,4,6-trinitrophenol (2016)
Journal Article
Wu, C., Zhao, J. L., Jiang, X. K., Ni, X. L., Zeng, X., Redshaw, C., & Yamato, T. (2016). Click-modified hexahomotrioxacalix[3]arenes as fluorometric and colorimetric dual-modal chemosensors for 2,4,6-trinitrophenol. Analytica Chimica Acta, 936, 216-221. doi:10.1016/j.aca.2016.06.045

A new type of chemosensor-based approach to the detection of 2,4,6-trinitrophenol (TNP) is described in this paper. Two hexahomotrioxacalix[3]arene-based chemosensors 1 and 2 were synthesized through click chemistry, which exhibited high binding affi... Read More about Click-modified hexahomotrioxacalix[3]arenes as fluorometric and colorimetric dual-modal chemosensors for 2,4,6-trinitrophenol.