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Seven-membered ring scaffolds for drug discovery: Access to functionalised azepanes and oxepanes through diazocarbonyl chemistry (2015)
Journal Article
Nortcliffe, A., & Moody, C. J. (2015). Seven-membered ring scaffolds for drug discovery: Access to functionalised azepanes and oxepanes through diazocarbonyl chemistry. Bioorganic and Medicinal Chemistry, 23(11), 2730-2735. https://doi.org/10.1016/j.bmc.2015.01.010

© 2015 Elsevier Ltd. All rights reserved. Functionalised azepane and oxepane scaffolds were prepared using diazocarbonyl chemistry and elaborated to show their potential use in library synthesis. Key dicarbonyl containing seven-membered rings were fu... Read More about Seven-membered ring scaffolds for drug discovery: Access to functionalised azepanes and oxepanes through diazocarbonyl chemistry.

Synthesis of spiroindanes by palladium-catalyzed oxidative annulations of non- or weakly activated 1,3-dienes involving C–H functionalization (2015)
Journal Article
Khan, I., Chidipudi, S. R., & Lam, H. W. (2015). Synthesis of spiroindanes by palladium-catalyzed oxidative annulations of non- or weakly activated 1,3-dienes involving C–H functionalization. Chemical Communications, 51, https://doi.org/10.1039/C4CC09496D

The synthesis of spiroindanes by the palladium-catalyzed oxidative annulation of non- or weakly activated 1,3-dienes with 2-aryl cyclic 1,3-dicarbonyl compounds is described. Examples of the dearomatizing oxidative annulation of 1,3-dienes with 1-ary... Read More about Synthesis of spiroindanes by palladium-catalyzed oxidative annulations of non- or weakly activated 1,3-dienes involving C–H functionalization.

Palladium nanoparticles in catalytic carbon nanoreactors: the effect of confinement on Suzuki-Miyaura reactions (2015)
Journal Article
Cornelio, B., Saunders, A., Solomonsz, W., Laronze-Cochard, M., Fontana, A., Sapi, J., …Rance, G. A. (in press). Palladium nanoparticles in catalytic carbon nanoreactors: the effect of confinement on Suzuki-Miyaura reactions. Journal of Materials Chemistry, 3, https://doi.org/10.1039/C4TA06953F

We explore the construction and performance of a range of catalytic nanoreactors based on palladium nanoparticles encapsulated in hollow graphitised nanofibres. The optimum catalytic material, with small palladium nanoparticles located almost exclusi... Read More about Palladium nanoparticles in catalytic carbon nanoreactors: the effect of confinement on Suzuki-Miyaura reactions.

Ligand-Induced Control of Photoconductive Gain and Doping in a Hybrid Graphene–Quantum Dot Transistor (2015)
Journal Article
Turyanska, L., Makarovsky, O., Svatek, S. A., Beton, P. H., Mellor, C. J., Patanè, A., …Wilson, N. R. (2015). Ligand-Induced Control of Photoconductive Gain and Doping in a Hybrid Graphene–Quantum Dot Transistor. Advanced Electronic Materials, 1(7), 1500062. https://doi.org/10.1002/aelm.201500062

In graphene devices decorated with a layer of near-infrared colloidal PbS quantum dots (QDs), the choice of the QD capping ligands and the integrity of the QD layer have a strong influence on the doping, carrier mobility, and photoresponse. By using... Read More about Ligand-Induced Control of Photoconductive Gain and Doping in a Hybrid Graphene–Quantum Dot Transistor.

Supramolecular binding and separation of hydrocarbons within a functionalised porous metal-organic framework (2015)
Journal Article
Yang, S., Ramirez-Cuesta, A. J., Newby, R., Garcia-Sakai, V., Manual, P., Callear, S. K., …Schröder, M. (2015). Supramolecular binding and separation of hydrocarbons within a functionalised porous metal-organic framework. Nature Chemistry, 7, https://doi.org/10.1038/nchem.2114

Supramolecular interactions are fundamental to host-guest binding in chemical and biological processes. Direct visualisation of such supramolecular interactions within host-guest systems is extremely challenging but crucial for the understanding of t... Read More about Supramolecular binding and separation of hydrocarbons within a functionalised porous metal-organic framework.

Vibrations of the S1 state of fluorobenzene-h5 and fluorobenzene-d5 via resonance-enhanced multiphoton ionization (REMPI) spectroscopy (2014)
Journal Article
Harris, J. P., Andrejeva, A., Tuttle, W. D., Pugliesi, I., Schriever, C., & Wright, T. G. (2014). Vibrations of the S1 state of fluorobenzene-h5 and fluorobenzene-d5 via resonance-enhanced multiphoton ionization (REMPI) spectroscopy. Journal of Chemical Physics, 141(24), Article 244315. https://doi.org/10.1063/1.4904706

We report resonance-enhanced multiphoton ionization spectra of the isotopologues fluorobenzeneh5 and fluorobenzene-d5. By making use of quantum chemical calculations, the changes in the wavenumber of the vibrational modes upon deuteration are examine... Read More about Vibrations of the S1 state of fluorobenzene-h5 and fluorobenzene-d5 via resonance-enhanced multiphoton ionization (REMPI) spectroscopy.

Combining two-directional synthesis and tandem reactions. Part 21: Exploitation of a dimeric macrocycle for chain terminus differentiation and synthesis of an sp3-rich library (2014)
Journal Article
Storr, T. E., Cully, S. J., Rawling, M. J., Lewis, W., Hamza, D., Jones, G., & Stockman, R. A. (2015). Combining two-directional synthesis and tandem reactions. Part 21: Exploitation of a dimeric macrocycle for chain terminus differentiation and synthesis of an sp3-rich library. Bioorganic and Medicinal Chemistry, 23(11), https://doi.org/10.1016/j.bmc.2014.12.050

The application of a tandem condensation/cyclisation/[3+2]-cycloaddition/elimination reaction gives an sp3-rich tricyclic pyrazoline scaffold with two ethyl esters in a single step from a simple linear starting material. The successive hydrolysis and... Read More about Combining two-directional synthesis and tandem reactions. Part 21: Exploitation of a dimeric macrocycle for chain terminus differentiation and synthesis of an sp3-rich library.

Calculation of the vibrational frequencies of carbon clusters and fullerenes with empirical potentials (2014)
Journal Article
Do, H., & Besley, N. A. (2014). Calculation of the vibrational frequencies of carbon clusters and fullerenes with empirical potentials. Physical Chemistry Chemical Physics, 17(5), 3898-3908. https://doi.org/10.1039/c4cp05424e

© the Owner Societies 2015. Vibrational frequencies for carbon clusters, fullerenes and nanotubes evaluated using empirical carbon-carbon potentials are presented. For linear and cyclic clusters, frequencies evaluated with the reactive empirical bond... Read More about Calculation of the vibrational frequencies of carbon clusters and fullerenes with empirical potentials.

Acyl-chain elongation drives ketosynthase substrate selectivity in trans-acyltransferase polyketide synthases (2014)
Journal Article
Jenner, M., Afonso, J. P., Bailey, H. R., Frank, S., Kampa, A., Piel, J., & Oldfield, N. J. (2015). Acyl-chain elongation drives ketosynthase substrate selectivity in trans-acyltransferase polyketide synthases. Angewandte Chemie International Edition, 54(6), https://doi.org/10.1002/anie.201410219

Type I modular polyketide synthases (PKSs), responsible for the biosynthesis of many biologically active agents, possess a ketosynthase (KS) domain within each module to catalyze chain elongation. Acylation of the KS active site Cys residue is foll... Read More about Acyl-chain elongation drives ketosynthase substrate selectivity in trans-acyltransferase polyketide synthases.

Photocatalytic hydroxylation of arylboronic acids using continuous flow reactors (2014)
Journal Article
Penders, I. G. T. M., Amara, Z., Horvath, R., Rossen, K., Poliakoff, M., & George, M. W. (in press). Photocatalytic hydroxylation of arylboronic acids using continuous flow reactors. RSC Advances, 5(9), https://doi.org/10.1039/c4ra15588b

The photocatalytic oxidation of mono- and di-substituted arylboronic acids to phenols has been investigated using a continuous flow photoreactor fitted with white LEDs. An EtOH–H2O solvent system accelerated conversion at 2 MPa; whereas reactions at... Read More about Photocatalytic hydroxylation of arylboronic acids using continuous flow reactors.

Thymine functionalised porphyrins, synthesis and heteromolecular surface-based self-assembly (2014)
Journal Article
Slater, A. G., Hu, Y., Yang, L., Argent, S. P., Lewis, W., Blunt, M. O., & Champness, N. R. (in press). Thymine functionalised porphyrins, synthesis and heteromolecular surface-based self-assembly. RSC Advances, 6, https://doi.org/10.1039/C4SC03531C

The synthesis and surface-based self-assembly of thymine-functionalised porphyrins is described. Reaction of 1-formylphenyl-3-benzoyl-thymine with suitable pyrollic species leads to the formation of tetra-(phenylthymine)porphyrin (tetra-TP) or mono-t... Read More about Thymine functionalised porphyrins, synthesis and heteromolecular surface-based self-assembly.

Adsorbate-induced curvature and stiffening of graphene (2014)
Journal Article
Svatek, S. A., Scott, O. R., Rivett, J. P., Wright, K., Baldoni, M., Bichoutskaia, E., …Beton, P. H. (2015). Adsorbate-induced curvature and stiffening of graphene. Nano Letters, 15(1), https://doi.org/10.1021/nl503308c

The adsorption of the alkane tetratetracontane (TTC, C44H90) on graphene induces the formation of a curved surface stabilized by a gain in adsorption energy. This effect arises from a curvature-dependent variation of a moiré pattern due to the mismat... Read More about Adsorbate-induced curvature and stiffening of graphene.

Preparation and structural analysis of (±)-cis-ethyl 2-sulfanylidenedecahydro-1,6-naphthyridine-6-carboxylate and (±)-trans-ethyl 2-oxooctahydro-1H-pyrrolo[3,2-c]pyridine-5-carboxylate (2014)
Journal Article
Schwehm, C., Lewis, W., Blake, A. J., Kellam, B., & Stocks, M. J. (2014). Preparation and structural analysis of (±)-cis-ethyl 2-sulfanylidenedecahydro-1,6-naphthyridine-6-carboxylate and (±)-trans-ethyl 2-oxooctahydro-1H-pyrrolo[3,2-c]pyridine-5-carboxylate. Acta Crystallographica Section C: Structural Chemistry, 70(12), 1161-1168. https://doi.org/10.1107/s205322961402436x

Bicycle ring closure on a mixture of (4aS,8aR)- and (4aR,8aS)-ethyl 2-oxodecahydro-1,6-naphthyridine-6-carboxylate, followed by conversion of the separated cis and trans isomers to the corresponding thioamide derivatives, gave (4aSR,8aRS)-ethyl 2-sul... Read More about Preparation and structural analysis of (±)-cis-ethyl 2-sulfanylidenedecahydro-1,6-naphthyridine-6-carboxylate and (±)-trans-ethyl 2-oxooctahydro-1H-pyrrolo[3,2-c]pyridine-5-carboxylate.

Switching intermolecular interactions by confinement in carbon nanotubes (2014)
Journal Article
Chamberlain, T., Lebedeva, M., Abuajwa, W., Suyetin, M., Lewis, W., Bichoutskaia, E., …Khlobystov, A. N. (2015). Switching intermolecular interactions by confinement in carbon nanotubes. Chemical Communications, 51(4), 648-651. https://doi.org/10.1039/c4cc08029g

The encapsulation of trityl-functionalised C60 molecules inside carbon nanotubes drastically affects the intermolecular interactions for this species. Whilst the orientations of molecules in the crystal are often controlled by thermodynamics, the mol... Read More about Switching intermolecular interactions by confinement in carbon nanotubes.

Polyaniline- and poly(ethylenedioxythiophene)-cellulose nanocomposite electrodes for supercapacitors (2014)
Journal Article
Liew, S. Y., Thielemans, W., & Walsh, D. A. (2014). Polyaniline- and poly(ethylenedioxythiophene)-cellulose nanocomposite electrodes for supercapacitors. Journal of Solid State Electrochemistry, 18(12), https://doi.org/10.1007/s10008-014-2669-7

The formation and characterisation of films of polyaniline (PANI) and poly(ethylenedioxythiophene) (PEDOT) containing cellulose nanocrystals (CNXLs) from cotton are described. PANI/CNXL films were electrodeposited from a solution containing CNXLs, HC... Read More about Polyaniline- and poly(ethylenedioxythiophene)-cellulose nanocomposite electrodes for supercapacitors.

Porous macromolecular dihydropyridyl frameworks exhibiting catalytic and halochromic activity (2014)
Journal Article
Xiao, B., Easun, T. L., Dhakshinamoorthy, A., Cebula, I., Beton, P. H., Titman, J. J., …Schröder, M. (2014). Porous macromolecular dihydropyridyl frameworks exhibiting catalytic and halochromic activity. Journal of Materials Chemistry A, 2(46), 19889-19896. https://doi.org/10.1039/c4ta02521k

New porous macromolecular frameworks (PMFs) have been designed and prepared by the condensation of dialdehydes with aminoacrylonitriles. Two porous materials were prepared by reacting 3,3′-benzene-1,4-diylbis(3-aminoprop-2-enenitrile) with benzene-1,... Read More about Porous macromolecular dihydropyridyl frameworks exhibiting catalytic and halochromic activity.

Short and Efficient Syntheses of Protoberberine Alkaloids using Palladium-Catalyzed Enolate Arylation (2014)
Journal Article
Gatland, A. E., Pilgrim, B. S., Procopiou, P. A., & Donohoe, T. J. (2014). Short and Efficient Syntheses of Protoberberine Alkaloids using Palladium-Catalyzed Enolate Arylation. Angewandte Chemie International Edition, 53(52), 14555-14558. https://doi.org/10.1002/anie.201409164

A concise synthesis of the biologically active alkaloid berberine is reported, and a versatile palladium?catalyzed enolate arylation is used to form the isoquinoline core. The overall yield of 50?% is a large improvement over the single, previous syn... Read More about Short and Efficient Syntheses of Protoberberine Alkaloids using Palladium-Catalyzed Enolate Arylation.

A cost-effective volume miniaturized and microcontroller based cytochrome c assay (2014)
Journal Article
Pandiaraj, M., Benjamin, A. R., Madasamy, T., Vairamani, K., Arya, A., Sethy, N. K., …Karunakaran, C. (2014). A cost-effective volume miniaturized and microcontroller based cytochrome c assay. Sensors and Actuators A: Physical, 220, 290-297. https://doi.org/10.1016/j.sna.2014.10.018

In this paper, a portable, cost-effective electrochemical assay is presented for rapid, sensitive, and quantitative detection of cytochrome c (cyt c) release. The developed cyt c assay consists of two parts: (i) a miniaturized electrochemical biosens... Read More about A cost-effective volume miniaturized and microcontroller based cytochrome c assay.

Ligand selectivity in stabilising tandem parallel folded G-quadruplex motifs in human telomeric DNA sequences (2014)
Journal Article
Cousins, A. R., Searle, M. S., Ritson, D., Sharma, P., Stevens, M. F., & Moses, J. E. (2014). Ligand selectivity in stabilising tandem parallel folded G-quadruplex motifs in human telomeric DNA sequences. Chemical Communications, 50(96), 15202-15205. https://doi.org/10.1039/c4cc07487d

© The Royal Society of Chemistry 2014. Biophysical studies of ligand interactions with three human telomeric repeat sequences (d(AGGG(TTAGGG)n, n = 3, 7 and 11)) show that an oxazole-based 'click' ligand, which induces parallel folded quadruplexes, p... Read More about Ligand selectivity in stabilising tandem parallel folded G-quadruplex motifs in human telomeric DNA sequences.