By Associate Professor Jason B Harper

Journal articles

Hsieh AY; Haines RS; Harper JB, 2023, 'The effects of ionic liquids on the ethanolysis of a chloroacenaphthene. Evaluation of the effectiveness of nucleofugality data to predict reaction outcome', RSC Advances, 13, pp. 21036 - 21043, http://dx.doi.org/10.1039/d3ra04302a

Morris DC; Morris AR; Price WS; Prescott SW; Harper JB, 2023, 'Diffusion Measurements To Understand Dynamics and Structuring in Solutions Involving a Homologous Series of Ionic Liquids', ChemPhysChem, 24, http://dx.doi.org/10.1002/cphc.202300015

Rohlmann P; Black JJ; Watanabe S; Leckner J; Shimpi MR; Rutland MW; Harper JB; Glavatskih S, 2023, 'Tribochemistry of imidazolium and phosphonium bis(oxalato)borate ionic liquids: Understanding the differences', Tribology International, 181, http://dx.doi.org/10.1016/j.triboint.2023.108263

Barnett C; Cole ML; Harper JB, 2022, 'The Core Difference between a Mesoionic and a Normal N-Heterocyclic Carbene', ACS Omega, 7, pp. 34657 - 34664, http://dx.doi.org/10.1021/acsomega.2c04682

Chen J; Harper JB; Ho J, 2022, 'Improving the Accuracy of Quantum Mechanics/Molecular Mechanics (QM/MM) Models with Polarized Fragment Charges', Journal of Chemical Theory and Computation, 18, pp. 5607 - 5617, http://dx.doi.org/10.1021/acs.jctc.2c00491

Hagen ML; Harper JB; Croft AK, 2022, 'Recent advances in the use of ionic liquids as solvents for protein-based materials and chemistry', Current Opinion in Green and Sustainable Chemistry, 36, http://dx.doi.org/10.1016/j.cogsc.2022.100637

Wang JE; Gilbert A; Harper JB; Kim DJ, 2022, 'Understanding the Failure Mechanism of Rechargeable Aluminum Batteries: Metal Anode Perspective Through X-Ray Tomography', Advanced Energy and Sustainability Research, 3, http://dx.doi.org/10.1002/aesr.202100164

Coney MD; Morris DC; Gilbert A; Prescott SW; Haines RS; Harper JB, 2022, 'Effects of Ionic Liquids on the Nucleofugality of Chloride', Journal of Organic Chemistry, 87, pp. 1767 - 1779, http://dx.doi.org/10.1021/acs.joc.1c02043

Burrows CJ; Harper JB; Sander W; Tantillo DJ, 2022, 'Solvation Effects in Organic Chemistry', Journal of Organic Chemistry, 87, pp. 1599 - 1601, http://dx.doi.org/10.1021/acs.joc.1c03148

Barnett C; Harper JB; Cole ML, 2022, 'Correlating Electronic Properties of N-Heterocyclic Carbenes with Structure, and the Implications of Using Different Probes', ChemistrySelect, 7, http://dx.doi.org/10.1002/slct.202104348

Barnett C; Cole ML; Harper JB, 2021, 'Steric Properties of N-Heterocyclic Carbenes affect the Performance of Electronic Probes', European Journal of Inorganic Chemistry, 2021, pp. 4954 - 4958, http://dx.doi.org/10.1002/ejic.202100796

Harper JB; Kirchner B; Pavez P; Welton T, 2021, 'Non-traditional solvent effects in organic reactions', Physical Chemistry Chemical Physics, 23, pp. 26028 - 26029, http://dx.doi.org/10.1039/d1cp90187g

Munavirov B; Black JJ; Shah FU; Leckner J; Rutland MW; Harper JB; Glavatskih S, 2021, 'The effect of anion architecture on the lubrication chemistry of phosphonium orthoborate ionic liquids', Scientific Reports, 11, http://dx.doi.org/10.1038/s41598-021-02763-5

Rohlmann P; Watanabe S; Shimpi MR; Leckner J; Rutland MW; Harper JB; Glavatskih S, 2021, 'Boundary lubricity of phosphonium bisoxalatoborate ionic liquids', Tribology International, 161, http://dx.doi.org/10.1016/j.triboint.2021.107075

Gilbert A; Haines RS; Harper JB, 2021, 'The effects of using an ionic liquid as a solvent for a reaction that proceeds through a phenonium ion', Journal of Physical Organic Chemistry, 34, http://dx.doi.org/10.1002/poc.4217

Chen J; Kato J; Harper JB; Shao Y; Ho J, 2021, 'On the Accuracy of QM/MM Models: A Systematic Study of Intramolecular Proton Transfer Reactions of Amino Acids in Water', Journal of Physical Chemistry B, 125, pp. 9304 - 9316, http://dx.doi.org/10.1021/acs.jpcb.1c04876

Barnett C; Cole ML; Harper JB, 2021, 'A Dual NMR Probe Approach to Understanding the Electronic Properties of N-Heterocyclic Carbenes', Chemistry-Methods, 1, pp. 374 - 381, http://dx.doi.org/10.1002/cmtd.202100043

Morris DC; Prescott SW; Harper JB, 2021, 'Rapid relaxation NMR measurements to predict rate coefficients in ionic liquid mixtures. An examination of reaction outcome changes in a homologous series of ionic liquids', Physical Chemistry Chemical Physics, 23, pp. 9878 - 9888, http://dx.doi.org/10.1039/d0cp06066f

Sandler I; Harper JB; Ho J, 2021, 'Explanation of Substituent Effects on the Enolization of β-Diketones and β-Ketoesters', Journal of Chemical Education, 98, pp. 1043 - 1048, http://dx.doi.org/10.1021/acs.jchemed.0c01076

Greaves TL; Schaffarczyk McHale KS; Burkart-Radke RF; Harper JB; Le TC, 2021, 'Machine learning approaches to understand and predict rate constants for organic processes in mixtures containing ionic liquids', Physical Chemistry Chemical Physics, 23, pp. 2742 - 2752, http://dx.doi.org/10.1039/d0cp04227g

Schindl A; Hawker RR; Schaffarczyk McHale KS; Liu KTC; Morris DC; Hsieh AY; Gilbert A; Prescott SW; Haines RS; Croft AK; Harper JB; Jäger CM, 2020, 'Controlling the outcome of SN2 reactions in ionic liquids: From rational data set design to predictive linear regression models', Physical Chemistry Chemical Physics, 22, pp. 23009 - 23018, http://dx.doi.org/10.1039/d0cp04224b

Liu KTC; Haines RS; Harper JB, 2020, 'The effect of bisimidazolium-based ionic liquids on a bimolecular substitution process. Are two head(group)s better than one?', Organic and Biomolecular Chemistry, 18, pp. 7388 - 7395, http://dx.doi.org/10.1039/d0ob01500h

Gilbert A; Haines RS; Harper JB, 2020, 'Controlling the reactions of 1-bromogalactose acetate in methanol using ionic liquids as co-solvents', Organic and Biomolecular Chemistry, 18, pp. 5442 - 5452, http://dx.doi.org/10.1039/d0ob01198c

Mallo N; Tron A; Andréasson J; Harper JB; Jacob LSD; McClenaghan ND; Jonusauskas G; Beves JE, 2020, 'Hydrogen-Bonding Donor-Acceptor Stenhouse Adducts', ChemPhotoChem, 4, pp. 407 - 412, http://dx.doi.org/10.1002/cptc.201900295

Konstandaras N; Dunn MH; Luis ET; Cole ML; Harper JB, 2020, 'The p: K a values of N-aryl imidazolinium salts, their higher homologues, and formamidinium salts in dimethyl sulfoxide', Organic and Biomolecular Chemistry, 18, pp. 1910 - 1917, http://dx.doi.org/10.1039/d0ob00036a

Blake SAP; Palmer J; Björklund J; Harper JB; Turney CSM, 2020, 'Palaeoclimate potential of New Zealand Manoao colensoi (silver pine) tree rings using Blue-Intensity (BI)', Dendrochronologia, 60, pp. 125664 - 125664, http://dx.doi.org/10.1016/j.dendro.2020.125664

Zheng X; Harper J; Hope G; Mooney SD, 2019, 'A new preparation method for testate amoebae in minerogenic sediments', Mires and Peat, 24, pp. 1 - 12, http://dx.doi.org/10.19189/MaP.2018.OMB.380

Schaffarczyk McHale KS; Haines RS; Harper JB, 2019, 'Investigating Variation of the Pnicogen Nucleophilic Heteroatom on Ionic Liquid Solvent Effects in Bimolecular Nucleophilic Substitution Processes', ChemPlusChem, 84, pp. 534 - 539, http://dx.doi.org/10.1002/cplu.201900188

Schaffarczyk McHale KS; Haines RS; Harper JB, 2019, 'The Dependence of Ionic Liquid Solvent Effects on the Nucleophilic Heteroatom in SNAr Reactions. Highlighting the Potential for Control of Selectivity', ChemPlusChem, 84, pp. 465 - 473, http://dx.doi.org/10.1002/cplu.201900173

Gilbert A; Bucher G; Haines RS; Harper JB, 2019, 'Correlating ionic liquid solvent effects with solvent parameters for a reaction that proceeds through a xanthylium intermediate', Organic and Biomolecular Chemistry, 17, pp. 9336 - 9342, http://dx.doi.org/10.1039/c9ob01807g

Clarke CJ; Maxwell-Hogg S; Smith EF; Hawker RR; Harper JB; Licence P, 2019, 'Resolving X-ray photoelectron spectra of ionic liquids with difference spectroscopy', Physical Chemistry Chemical Physics, 21, pp. 114 - 123, http://dx.doi.org/10.1039/c8cp06701e

Butler BJ; Harper JB, 2019, 'The effect of the structure of the anion of an ionic liquid on the rate of reaction at a phosphorus centre', Journal of Physical Organic Chemistry, 32, http://dx.doi.org/10.1002/poc.3819

Konstandaras N; Dunn MH; Guerry MS; Barnett CD; Cole ML; Harper JB, 2019, 'The impact of cation structure upon the acidity of triazolium salts in dimethyl sulfoxide', Organic and Biomolecular Chemistry, 18, pp. 66 - 75, http://dx.doi.org/10.1039/c9ob02258a

Gilbert A; Haines RS; Harper JB, 2019, 'Understanding the effects of ionic liquids on a unimolecular substitution process: Correlating solvent parameters with reaction outcome', Organic and Biomolecular Chemistry, 17, pp. 675 - 682, http://dx.doi.org/10.1039/c8ob02460j

Schaffarczyk McHale KS; Wong MJ; Evans AK; Gilbert A; Haines RS; Harper JB, 2019, 'Understanding the effects of solvate ionic liquids as solvents on substitution processes', Organic and Biomolecular Chemistry, 17, pp. 9243 - 9250, http://dx.doi.org/10.1039/c9ob01753d

Keaveney ST; Harper JB; Croft AK, 2018, 'Ion-Reagent Interactions Contributing to Ionic Liquid Solvent Effects on a Condensation Reaction', ChemPhysChem, 19, pp. 3279 - 3287, http://dx.doi.org/10.1002/cphc.201800695

Schaffarczyk McHale KS; Haines RS; Harper JB, 2018, 'Ionic Liquids as Solvents for SN2 Processes. Demonstration of the Complex Interplay of Interactions Resulting in the Observed Solvent Effects', ChemPlusChem, 83, pp. 1162 - 1168, http://dx.doi.org/10.1002/cplu.201800510

Hawker RR; Haines RS; Harper JB, 2018, 'Predicting solvent effects in ionic liquids: Extension of a nucleophilic aromatic substitution reaction on a benzene to a pyridine', Journal of Physical Organic Chemistry, 31, http://dx.doi.org/10.1002/poc.3862

Hart WES; Aldous L; Harper JB, 2018, 'Nucleophilic Cleavage of Lignin Model Compounds under Acidic Conditions in an Ionic Liquid: A Mechanistic Study', ChemPlusChem, 83, pp. 348 - 353, http://dx.doi.org/10.1002/cplu.201700486

Hawker RR; Haines RS; Harper JB, 2018, 'Rational selection of the cation of an ionic liquid to control the reaction outcome of a substitution reaction', Chemical Communications, 54, pp. 2296 - 2299, http://dx.doi.org/10.1039/c8cc00241j

Oss G; De Vos SD; Luc KNH; Harper JB; Nguyen TV, 2018, 'Tropylium-Promoted Oxidative Functionalization of Tetrahydroisoquinolines', Journal of Organic Chemistry, 83, pp. 1000 - 1010, http://dx.doi.org/10.1021/acs.joc.7b02584

Hawker RR; Wong MJ; Haines RS; Harper JB, 2018, 'Correction: Rationalising the effects of ionic liquids on a nucleophilic aromatic substitution reaction (Organic and Biomolecular Chemistry (2017) 15 (6433-6440) DOI: 10.1039/C7OB01476G)', Organic and Biomolecular Chemistry, 16, pp. 9069, http://dx.doi.org/10.1039/c8ob90159g

Black JJ; Dolan A; Harper JB; Aldous L, 2018, 'Kamlet-Taft solvent parameters, NMR spectroscopic analysis and thermoelectrochemistry of lithium-glyme solvate ionic liquids and their dilute solutions', Physical Chemistry Chemical Physics, 20, pp. 16558 - 16567, http://dx.doi.org/10.1039/c8cp02527d

Hawker RR; Harper JB, 2018, 'Organic Reaction Outcomes in Ionic Liquids', Advances in Physical Organic Chemistry, 52, pp. 49 - 85, http://dx.doi.org/10.1016/bs.apoc.2018.09.001

Abbott A; Abe H; Aldous L; Atkin R; Bendová M; Busato M; Canongia Lopes JN; Costa Gomes M; Cross B; Dietz C; Everts J; Firestone M; Gardas R; Gras M; Greaves T; Halstead S; Hardacre C; Harper J; Holbrey J; Jacquemin J; Jessop P; Macfarlane D; Maier F; Medhi H; Mezger M; Pádua A; Perkin S; Reid JESJ; Saha S; Slattery JM; Thomas ML; Tiwari S; Tsuzuki S; Uralcan B; Watanabe M; Wishart J; Youngs T, 2018, 'Phase behaviour and thermodynamics: General discussion', Faraday Discussions, 206, pp. 113 - 139, http://dx.doi.org/10.1039/c7fd90091k

Mallo N; Foley ED; Iranmanesh H; Kennedy ADW; Luis ET; Ho J; Harper JB; Beves JE, 2018, 'Structure-function relationships of donor-acceptor Stenhouse adduct photochromic switches', Chemical Science, 9, pp. 8242 - 8252, http://dx.doi.org/10.1039/c8sc03218a

Black JJ; Harper JB; Aldous L, 2018, 'Temperature effect upon the thermoelectrochemical potential generated between lithium metal and lithium ion intercalation electrodes in symmetric and asymmetric battery arrangements', Electrochemistry Communications, 86, pp. 153 - 156, http://dx.doi.org/10.1016/j.elecom.2017.12.005

Hawker RR; Haines RS; Harper JB, 2018, 'The effect of varying the anion of an ionic liquid on the solvent effects on a nucleophilic aromatic substitution reaction', Organic and Biomolecular Chemistry, 16, pp. 3453 - 3463, http://dx.doi.org/10.1039/c8ob00651b

Konstandaras N; Matto L; Bhadbhade M; Hunter L; Harper JB, 2017, 'Synthesis and Determination of the pKa Values of a Series of Bis(anilino)furazano[3, 4-b]pyrazines', ChemistrySelect, 2, pp. 7018 - 7023, http://dx.doi.org/10.1002/slct.201701674

Dunn MH; Konstandaras N; Cole ML; Harper JB, 2017, 'Targeted and Systematic Approach to the Study of pKa Values of Imidazolium Salts in Dimethyl Sulfoxide', Journal of Organic Chemistry, 82, pp. 7324 - 7331, http://dx.doi.org/10.1021/acs.joc.7b00716

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