The Harper Research Group
Publications
Journal Articles
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2024
137) Quach, G.; Iranmesh, H.; Luis, E. T.; Harper, J. B.; Beves, J. E.; Moore, E. G.*: “Mechanistic and Kinetic Insights into Intermolecular [2+2] Photocycloadditions”, ACS Catalysis, submitted.
136) Paporakis, S.; Liu, K. T.-C.; Brown, S.; Harper, J. B.; Martin, A. V.*; Greaves, T. L.*; “Thermal stability of protic ionic liquids”, Journal of Physical Chemistry B, 2024, in press.
135) Doak, B. C.; Whitehouse, R. L.; Rimmer, K.; Williams, M.; Heras, B.; Caria, S.; Ilyichova, O.; Vazirani, M.; Mohanty, B.; Harper, J. B.; Scanlon, M. J.*; Simpson, J. S.: "Fluoromethylketone-fragment conjugates designed as covalent modifiers of EcDsbA are atypical substrate", ChemMedChem, 2024, in press.
134) Hsieh, A. Y.; Haines, R. S.; Harper, J. B.*: “The effects of ionic liquids on the nucleofugality of bromide”, Journal of Organic Chemistry, 2024, in press. doi: 10.1021/acs.joc.4c00249
2023
133) Hsieh, A. Y.; Haines, R. S.; Harper, J. B.*: “The effects of ionic liquids on the ethanolysis of a chloroacenaphthene. Evaluation of the effectiveness of nucleofugality data to predict reaction outcome”, RSC Advances, 2023, 13, 21036-21043. doi: 10.1039/d3ra04302a
132) Morris, D. C.; Morris, A. R.; Price, W. S.; Prescott, S. W.*; Harper, J. B.*: “Diffusion measurements to understand dynamics and structuring in solutions involving a homologous series of ionic liquids”, ChemPhysChem, 2023, e202300015. doi: 10.1002/cphc.202300015
131) Rohlmann, P.; Black, J. J.; Watanabe, S.; Leckner, J.; Shimpi, M. R.; Rutland, M. W.*; Harper, J. B.*; Glavatskih. S.*: “Tribochemistry of imidazolium and phosphonium bis(oxalato)borate ionic liquids: understanding the differences”, Tribology International, 2023, 181, 108263. doi: 10.1016/j.triboint.2023.108263
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2022
130) Barnett, C. D.*; Cole, M. L.; Harper, J. B.*: “The core difference between a mesoionic and a normal N-heterocyclic carbene”, ACS Omega, 2022, 7, 34657-34664. doi: 10.1021/acsomega.2c04682
129) Chen, J.; Harper, J. B.; Ho, J.*: “Improving the Accuracy of QM/MM Models with Polarised Fragment Charges”, Journal of Chemical Theory and Computation, 2022, 18, 5607-5617. doi: 10.1021/acs.jctc.2c00491
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128) Hagen, M. L.; Harper, J. B.; Croft, A. K.*: “Recent Advances in Use of Ionic liquids as Solvents for Protein-based Materials and Chemistry”, Current Opinion in Green and Sustainable Chemistry, 2022, 36, 100637. doi: 10.1016/j.cogsc.2022.100637
127) Doak, B. C.; Whitehouse, R. L.; Rimmer, K.; Williams, M.; Heras, B.; Caria, S.; Ilyichova, O.; Vazirani, M.; Mohanty, B.; Harper, J. B.; Scanlon, M. J.*; Simpson, J. S.: "Fluoromethylketone-fragment conjugates designed as covalent modifiers of EcDsbA are atypical substrate", ChemRXiv, doi: 10.26434/chemrxiv-2022-262lh
126) Barnett, C.*; Harper, J. B.*; Cole, M. L.: “Correlating electronic properties of N-heterocyclic carbenes with structure, and the implications of using different probes”, ChemistrySelect, 2021, 7, e202104348. doi: 10.1002/slct.202104348
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125) Coney, M. D.; Morris, D. C.; Gilbert, A.; Prescott, S. W.; Haines, R. S.; Harper, J. B.*: “Effects of ionic liquids on the nucleofugality of chloride”, Journal of Organic Chemistry, 2022, 3, 1767-1779. doi: 10.1021/acs.joc.1c02043
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124) Wang, J. E.; Gilbert, A.; Harper, J. B.*; Kim, D. J.*: “Understanding the failure mechanism of rechargeable aluminum batteries: Metal anode perspective through X-ray tomography”, Advanced Energy and Sustainability Research, 2022, 3, 2100164. doi: 10.1002/aesr.202100164
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2021
123) Munavirov, B.; Black, J.J.; Shah, F. U.; Leckner, J.: Rutland, M. W.*; Harper, J. B.*; Glavatskih, S.*: "The effect of anion architecture on the lubrication chemistry of phosphonium orthoborate ionic liquids", Scientific Reports, 2021, 11, 24021. doi: 10.1038/s41598-021-02763-5
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122) Barnett, C.*; Cole, M. L.; Harper, J. B.*: “Steric properties of N-heterocyclic carbenes affect the performance of electronic probes”, European Journal of Inorganic Chemistry, 2021, 47, 4954-4958. doi: 10.1002/ejic.202100796
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121) Chen, J.; Kato, J.; Harper, J. B.; Shao, Y.; Ho, J.*: “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, 2021, 125, 9304-9316. doi: 10.1021/acs.jpcb.1c04876
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120) Barnett, C.*; Cole, M. L.; Harper, J. B.*: “A dual NMR probe approach to understanding the electronic properties of N-heterocyclic carbenes”, Chemistry – Methods, 2021, 1, 374-381. doi.org/10.1002/cmtd.202100043
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119) Rohlmann, P.; Watanabe, S.; Shimpi, M.; Leckner, J.; Rutland, M. W.; Harper, J. B.; Glavatskih, S.*: “Boundary lubricity of phosphonium bisoxalatoborate ionic liquids”, Tribology International, 2021, 161, 107075. doi: 10.1016/j.triboint.2021.107075
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118) Gilbert, A.; Haines, R. S.; Harper, J. B.*: “The effects of using an ionic liquid as a solvent for a reaction that proceeds through a phenonium ion”, Journal of Physical Organic Chemistry, 2021, 34, e4217. [COVER ARTICLE] doi: 10.1002/poc.4217
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117) Morris, D. C.; Prescott, S. W.*; Harper, J. B.*: “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, 2021, 23, 9878-9888. doi: 10.1039/d0cp06066f
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116) Greaves, T. L.*; Schaffarczyk McHale, K. S.; Burkart-Radke, R. F.; Harper, J. B.*; Le, T.*: “Machine learning approaches to understand and predict rate constants for organic processes in mixtures containing ionic liquids”, Physical Chemistry Chemical Physics, 2021, 23, 2742-2752. doi: 10.1039/d0cp04227g
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115) Sandler, I.; Harper, J. B.; Ho, J.*: “Explanation of Substituent Effects on Enolization of beta-Diketones and beta-Ketoesters”, Journal of Chemical Education, 2021, 98, 1043-1048. doi: 10.1021/acs.jchemed.0c01076
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2020
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114) Schindl, A.; Hawker, R. R.; Schaffarczyk McHale, K. S.; Liu, K. T.-C.; Morris, D. C.; Hsieh, A. Y.; Gilbert, A.; Prescott, S. W.; Haines, R. S.; Croft, A. K.*; Harper, J. B.*; Jäger, C. M.*: “Controlling the outcome of SN2 reactions in ionic liquids: From rational data set design to predictive linear regression models”, Physical Chemistry Chemical Physics, 2020, 22, 23009-23018. [SELECTED AS A HOT ARTICLE] doi: 10.1039/d0cp04224b
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113) Liu, K. T.-C; Haines, R. S.; Harper, J. B.*: “The effect of bisimidazolium based ionic liquids on a bimolecular substitution process. Are two head(group)s better than one?”, Organic and Biomolecular Chemistry, 2020, 18, 7388-7395. doi: 10.1039/d0ob01500h.
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112) Gilbert, A.; Haines, R. S.; Harper, J. B.*: “Controlling the reactions of 1-bromogalactose acetate in methanol using ionic liquids as co-solvents”, Organic and Biomolecular Chemistry, 2020, 18, 5442-5452. doi: 10.1039/d0ob01198c
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111) Konstandaras, N.; Dunn, M. H.; Luis, E. T..; Cole, M. L.; Harper, J. B.*: “The pKa vales of N‑aryl imidazolinium salts, their higher homologues, and formamidinium salts in dimethyl sulfoxide”, Organic and Biomolecular Chemistry, 2020, 18, 1910-1917. doi: 10.1039/d0ob00036a
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110) Mallo, N.; Tron, A.; Andréasson, J.; Harper, J. B.; Jacob, L. S. D.; McClenaghan, N. D.; Jonusauskas, G.; Beves, J. E.*: “Hydrogen-bonding donor-acceptor Stenhouse adducts”, ChemPhotoChem, 2020, 4, 407-412. doi: 10.1002/cptc.201900295
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109) Blake, S. A. P.*; Palmer, J. G.; Björklund, J.; Harper, J. B.; Tierney, C. S. M.: "Palaeoclimate potential of New Zealand Manoao colensoi (silver pine) tree rings using Blue-Intensity", Dendrochronologia, 2020, 60, Article 125644. doi: 10.1016/j.dendro.2020.125664
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108) Konstandaras, N.; Dunn, M. H.; Guerry, M. S.; Barnett, C. D.; Cole, M. L.; Harper, J. B.*: “The impact of cation structure upon the acidity of triazolium salts in dimethyl sulfoxide”, Organic and Biomolecular Chemistry, 2020, 18, 66-75. doi: 10.1039/c9ob02258a
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2019
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107) Zheng, X.; Harper, J. B.; Hope, G.; Mooney, S. D.*: "A new preparation method for testate amoebae in minerogenic sediments", Mires and Peat, 2019, 24, Article 30. doi: 10.19189/MaP.2018.OMB.380
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106) Gilbert, A.; Bucher, G.; Haines, R. S.; Harper, J. B.*: "Correlating ionic liquid solvent effects with solvent parameters for a reaction that proceeds through a xanthylium intermediate", Organic and Biomolecular Chemistry, 2019, 17, 9336-9342. doi: 10.1039/C9OB01807G
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105) Schaffarczyk McHale, K. S.; Wong, M. J.; Evans, A. K.; Gilbert, A.; Haines, R. S.; Harper, J. B.*: "Understanding the effects of solvate ionic liquids as solvents on substitution processes", Organic and Biomolecular Chemistry, 2019, 17, 9243-9250. doi: 10.1039/c9ob01753d
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104) Schaffarczyk McHale, K. S.; Haines, R. S.; Harper, J. B.*: "Investigating variation of the pnicogen nucleophilic heteroatom on ionic liquid solvent effects in bimolecular nucleophilic substitution processes", ChemPlusChem, 2019, 84, 534-539. doi: 10.1002/cplu.201900188
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103) Schaffarczyk McHale, K. S.; Haines, R. S.; Harper, J. B.*: "Understanding the dependence of ionic liquid solvent effects on the nucleophilic heteroatom in SNAr reactions. Highlighting the potential for control of selectivity", ChemPlusChem, 2019, 84, 465-473. doi: 10.1002/cplu.201900173
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102) Gilbert, A.; Haines, R. S.; Harper, J. B.*: "Understanding the effects of ionic liquids on a unimolecular substitution process: correlating solvent parameters with reaction outcome", Organic and Biomolecular Chemistry, 2019, 17, 675-682. doi:10.1039/c8ob02460j
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101) Clarke, C. J.*; Maxwell-Hogg, S.; Smith, E. F.; Hawker, R. R.; Harper, J. B.; Licence, P.*: "Resolving X-Ray Photoelectron Spectra of Ionic Liquids with Difference Spectroscopy", Physical Chemistry Chemical Physics, 2019, 21, 114-123. doi:10.1039/c8cp06701e
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100) Butler, B. J.; Harper, J. B.*: "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, 2019, 32, e3819. doi:10.1002/poc.3819
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2018
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99) Schaffarczyk McHale, K. S.; Haines, R. S.; Harper, J. B.*: "Ionic liquids as solvents for SN2 processes. Demonstration of the complex interplay of interactions resulting in the observed solvent effects", ChemPlusChem, 2018, 83, 1162-1168. doi:10.1002/cplu.201800510
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98) Keaveney, S. T.*; Harper, J. B.*; Croft, A. K.*: "Ion – reagent interactions contributing to ionic liquid solvent effects on a condensation reaction", ChemPhysChem, 2018, 19, 3279-3287. doi:10.1002/cphc.201800695
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97) Hawker, R. R.; Harper, J. B.*: "Organic reaction outcomes in ionic liquids", Advances in Physical Organic Chemistry, 2018, 52, 49-85. doi:10.1016/bs.apoc.2018.09.001
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96) Mallo, N.; Foley, E. D.; Iranmesh, H.; Kennedy, A. W. D.; Luis, E., Ho, J., Harper, J. B.; Beves, J. E.*: "Structure-Function Relationships of Donor-Acceptor Stenhouse Adduct Photochromic Switches", Chemical Science, 2018, 9, 8242-8252. doi:10.1039/c8sc03218a
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95) Black, J. J.; Dolan, A.; Harper, J. B.; Aldous, L.*: "Kamlet–Taft solvent parameters, NMR spectroscopic analysis and thermoelectrochemistry of lithium–glyme solvate ionic liquids and their dilute solutions", Physical Chemistry Chemical Physics, 2018, 20, 16558-16567. doi:10.1039/c8cp02527d
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94) Hawker, R. R.; Haines, R. S.; Harper, J. B.*: "Predicting solvent effects in ionic liquids: extension of a nucleophilic aromatic substitution reaction on a benzene to a pyridine", Journal of Physical Organic Chemistry, 2018, 31, e3862. doi:10.1002/poc.3862
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93) Hawker, R. R.; Haines, R. S.; Harper, J. B.*: "The effect of varying the anion of an ionic liquid on the solvent effects on a nucleophilic aromatic substitution reaction", Organic and Biomolecular Chemistry, 2018, 16, 3453-3463. doi:10.1039/c8ob00651b
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92) Hart, W. E. S.; Aldous, L.; Harper, J. B.*: "Nucleophilic cleavage of lignin model compounds under acidic conditions in an ionic liquid. A mechanistic study", ChemPlusChem, 2018, 53, 348-353. doi:10.1002/cplu.201700486
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91) Hawker, R. R.; Haines, R. S.; Harper, J. B.*: "Rational selection of the cation of an ionic liquid to control the reaction outcome of a substitution reaction", Chemical Communications, 2018, 54, 2296-2299. doi:10.1039/c8cc00241j
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90) Oss, G.; de Vos, S. D.; Luc, K. N. H.; Harper, J. B.; Nguyen, T. V.*: "Tropylium-Promoted Oxidative Functionalisation of Tetrahydroisoquinolines", Journal of Organic Chemistry, 2018, 83, 1000-1010. doi:10.1021/acs.joc.7b02584
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89) Black, J. J.; Harper, J. B.; Aldous, L.*: "Temperature effect upon the thermoelectrochemical potential generated between lithium metal and lithium ion intercalation electrodes in symmetric and asymmetric battery arrangement", Electrochemistry Communications, 2018, 86, 153-156. doi:10.1016/j.elecom.2017.12.005
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2017
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88) Konstandaras, N.; Matto, L.; Bhadbhade, M.; Hunter, L.; Harper, J. B.*: "Synthesis and determination of the pKa values of a series of bis(anilino)furazano[3,4-b]pyrazines", ChemistrySelect, 2017, 2, 7018-7023. doi:10.1002/slct.201701674.
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87) Hawker, R. R.; Wong, M. J.; Haines, R. S.; Harper, J. B.*: "Rationalising the effects of ionic liquids on a nucleophilic aromatic substitution reaction", Organic and Biomolecular Chemistry, 2017, 15, 6433-6440. doi:10.1039/c7ob01476g.
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86) Dunn, M. H.; Konstandaras, N.; Cole, M. L.*; Harper, J. B.*: "A targeted and systematic approach to the study of pKa values of imidazolium salts in DMSO", Journal of Organic Chemistry, 2017, 82, 7324–7331. doi:10.1021/acs.joc.7b00716.
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85) Hart, W. E. S.; Aldous, L.; Harper, J. B.*: "Cleavage of ethers in an ionic liquid. Enhancement, selectivity and potential application", Organic and Biomolecular Chemistry, 2017, 15, 5556-5563. doi:10.1039/c7ob01096f.
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84) Keaveney, S. T.*; Haines, R. S.; Harper, J. B.: "Ionic liquid solvents: the importance of microscopic interactions in predicting organic reaction outcomes", Pure and Applied Chemistry, 2017, 89, 745-757. doi:10.1515/pac-2016-1008.
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83) Keaveney, S. T.; Haines, R. S.; Harper, J. B.*: "Investigating solvent effects of an ionic liquid on pericyclic reactions through kinetic analyses of simple rearrangements", ChemPlusChem, 2017, 82, 449-457. doi:10.1002/cplu.201600585
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2016
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82) Keaveney, S. T.; Greaves, T. L.; Kennedy, D. F.; Harper, J. B.*: "Understanding the Effect of Solvent Structure on Organic Reaction Outcomes when Using Ionic Liquid / Acetonitrile Mixtures", Journal of Physical Chemistry B, 2016, 120, 12687–12699. doi:10.1021/acs.jpcb.6b11090
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81) Keaveney, S. T.; Schaffarczyk McHale, K. S.; Stranger, J. W.; Ganbold, B.; Price, W. S.; Harper, J. B.*: "NMR diffusion measurements as a simple method to examine solvent – solvent and solvent – solute interactions in mixtures of the ionic liquid [Bmim][N(SO2CF3)2] and acetonitrile", ChemPhysChem, 2016, 17, 3853-3862. [COVER ARTICLE] doi:10.1002/cphc.201600927
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80) Butler, B. J.; Harper, J. B.*: "The effect of the structure of the cation of an ionic liquid on the rate of reaction at a phosphorus centre", Journal of Physical Organic Chemistry, 2016, 29, 700-708. doi:10.1002/poc.3819
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79) Gondosiswanto, R.; Gunawan, C. A.; Hibbert, D. B.; Harper, J. B.; Zhao, C.*: "Microcontact Printing of Thiol-Functionalized Ionic Liquids Microarrays for "Membrane-less" and "Spill-less" Gas Sensors" ACS Applied Materials & Interfaces, 2016, 8, 31368-31374. doi:10.1021/acsami.6b08876
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78) Mallo, N.; Brown, P. T.; Iranmanesh, H.; MacDonald, T. S. C.; Teusner, M. J.; Harper, J. B.; Ball, G. E.; Beves, J. E.*: "Photochromic Switching Behaviour of Donor-Acceptor Stenhouse Adducts in Organic Solvents" Chemical Communications, 2016, 52, 13576-13579. doi:10.1039/c6cc08079k
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77) Francis, D. V.; Harper, J. B.; Read, R. W.*: "Titration Characteristics of Fluorous 1,2,3-Triazol-4-ylmethyl Ethers, Bis(1,2,3-Triazol-4-ylmethyl) Ethers and Bis(1,2,3-Triazol-4-ylmethyl)Amines" Journal of Fluorine Chemistry, 2016, 192, 86-97. doi:10.1016/j.jfluchem.2016.10.012
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76) George, S. R. D.; Scott, L. T.; Harper, J. B.*: "Synthesis of 1-substituted fluorenones", Polycyclic Aromatic Compounds, 2016, 36, 697-715. doi:10.1080/10406638.2015.1046609
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75) Schaffarczyk McHale, K. S.; Hawker, R. R.; Harper, J. B.*: "Nitrogen versus phosphorus nucleophiles – how changing the nucleophilic heteroatom affects ionic liquid solvent effects in bimolecular nucleophilic substitution processes", New Journal of Chemistry, 2016, 40, 7437-7445. doi:10.1039/c6nj00721j
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74) Blümel, M.; Crocker, R. D.; Harper, J. B.; Enders, D.; Nguyen, T. V.*: "N-Heterocyclic Olefins as Efficient Phase-Transfer Catalysts for Base-Promoted Alkylation Reactions", Chemical Communications, 2016, 52, 7958-7961. doi: 10.1039/c6cc03771b
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73) Hawker, R. R.; Panchompoo, J.; Aldous, L.; Harper, J. B.*: "Novel chloroimidazolium-based ionic liquids: synthesis, characterisation and behaviour as solvents to control reaction outcome", ChemPlusChem, 2016, 81, 574-583. doi:10.1002/cplu.201600099
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72) Butler, B. J.; Thomas, D. S.; Hook, J. M.; Harper, J. B.*: "NMR spectroscopy to follow reaction progress in ionic liquids", Magnetic Resonance in Chemistry, 2016, 54, 423-428. doi:10.1002/mrc.4161
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71) Keaveney, S. T.; White, B. P.; Haines, R. S.; Harper, J. B.*: "The effects of an ionic liquid on unimolecular substitution processes: the importance of the extent of transition state solvation", Organic and Biomolecular Chemistry, 2016, 14, 2572-2580. doi:10.1039/c5ob02598b
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70) Francis, D. V.; Harper, J. B.; Gioia, S.; Lamb, R. N.; Read, R. W.*: "Defining Surface Properties of Fluorous 1H-1,2,3-Bistriazoles", Journal of Fluorine Chemistry, 2016, 183, 36-43. doi:10.1016/j.jfluchem.2016.01.007
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2015
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69) George, S. R. D.; Elton, T. E.; Harper, J. B.*: "Electronic effects on the substitution reactions of benzhydrols and fluorenyl alcohols. Determination of mechanism and effects of antiaromaticity", Organic and Biomolecular Chemistry, 2015, 13, 10745-10750. doi:10.1039/c5ob01637a
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68) George, S. R. D.; Frith, T. D. H.; Thomas, D. S.; Harper, J. B.*: "Putting corannulene in its place. Reactivity studies comparing corannulene with other aromatic hydrocarbons", Organic and Biomolecular Chemistry, 2015, 13, 9035-9041. doi: 10.1039/c5ob01215e
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67) Keaveney, S. T.; Haines, R. S.; Harper, J. B.*: "Ionic liquid effects on a multistep process. Increased product formation due to enhancement of all steps", Organic and Biomolecular Chemistry, 2015, 13, 8925-8936. doi:10.1039/c5ob01214g
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66) Keaveney, S. T.; Harper, J. B.*; Croft, A. K.*: "Computational approaches to understanding reaction outcomes of organic processes in ionic liquids", RSC Advances, 2015, 5, 35709-35729. doi:10.1039/c4ra14676j
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65) Yau, H. M.; Haines, R. S.*; Harper, J. B.*: "A robust, 'one-pot' method for acquiring kinetic data for Hammett plots used to demonstrate transmission of substituent effects in reactions of aromatic ethyl esters", Journal of Chemical Education, 2015, 92, 538-542. doi:10.1021/ed400701m
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64) Keaveney, S. T.; Haines, R. S.; Harper, J. B.*: "Developing principles for predicting ionic liquid effects on reaction outcome. The importance of the anion in controlling microscopic interactions", Organic and Biomolecular Chemistry, 2015, 13, 3771-3780. doi:10.1039/c4ob02482f
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63) Hart, W. E. S.; Harper, J. B.*; Aldous, L.*: "The effect of changing the components of an ionic liquid upon the solubility of lignin", Green Chemistry, 2015, 17, 214-218. doi:10.1039/c4gc01888e.
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62) Butler, B. J.; Harper, J. B.*: "The effect of an ionic liquid on the rate of reaction at a phosphorus centre", New Journal of Chemistry, 2015, 39, 213-219. doi:10.1039/c4nj01224k
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61) Francis, D. V.; Harper, J. B.; Read, R. W.*: "Fluorous 1,2,3-Triazol-4-ylmethyl Amines and Amine Derivatives for Novel Surfactant Applications", Australian Journal of Chemistry, 2015, 68, 57-68. doi:10.1071/CH14458
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60) Keaveney, S. T.; Francis, D. V.; Cao, W.; Haines, R. S.; Harper, J. B.*: "The effect of modifying the anion of an ionic liquid on the outcome of an SN2 process", Australian Journal of Chemistry, 2015, 68, 31-35. doi:10.1071/CH14117.
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2014
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59) Khabnadideh, S.*; Harper, J. B.: "Effect of ionic liquid (Bmim[NTf2]) on the rate of reaction in the synthesis of some new azole compounds as antifungal agents", Science Research, 2014, 2, 125-131. doi:10.11648/j.sr.20140205
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58) Keaveney, S. T.; Schaffarczyk McHale, K. S.; Haines, R. S.; Harper, J. B.*: "Developing principles for predicting ionic liquid effects on reaction outcome. A demonstration using a simple condensation reaction", Organic and Biomolecular Chemistry, 2014, 12, 7092-7099. doi:10.1039/c4ob01070a
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57) Ahmed, M. I.; Harper, J. B.; Hunter, L.*: "Incrementally increasing the length of a peptide backbone: effect on macrocyclisation efficiency", Organic and Biomolecular Chemistry, 2014, 12, 4598-4601. doi:10.1039/c4ob00492b
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2013
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56) Tanner, E. E. L.; Hawker, R. R.; Yau, H. M.; Croft, A. K.; Harper, J. B.*: "Probing the importance of ionic liquid structure: A general ionic liquid effect on an SNAr process", Organic and Biomolecular Chemistry, 2013, 11, 7516-7521. doi:10.1039/c3ob41634h
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55) Yau, H. M.; Keaveney, S. T.; Butler, B. J.; Tanner, E. E. L.; Guerry, M S.; George, S. R. D.; Dunn, M. H.; Croft, A. K.; Harper, J. B.*: "Towards solvent-controlled reactivity in ionic liquids", Pure and Applied Chemistry, 2013, 85, 1979-1990. doi:10.1351/PAC-CON-12-10-22
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54) Tanner, E. E. L.; Yau, H. M.; Hawker, R. R.; Croft, A. K.; Harper, J. B.*: "Does the cation really matter? The effect of modifying an ionic liquid cation on an SN2 process", Organic and Biomolecular Chemistry, 2013, 11, 6170-6175. doi:10.1039/c3ob41038b
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53) Keaveney, S. T.; Harper, J. B.*: "Towards reaction control using an ionic liquid: Biasing outcomes of reactions of benzyl halides", RSC Advances, 2013, 3, 15698-15704. doi:10.1039/c3ra42820f
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52) Gui, A.; Yau, H. M.; Thomas, D. S.; Chockalingam, M.; Harper, J. B.; Gooding, J. J.*: "Using Supramolecular Binding Motifs to Provide Precise Control Over the Ratio and Distribution of Species in Multiple Component Films Grafted on Surfaces: Demonstration using Electrochemical Assembly from Aryl Diazonium Salts", Langmuir, 2013, 29, 4772-4781. doi:10.1021/la400358e
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2012
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51) Dunn, M. H.; Cole, M. L.*; Harper, J. B.*: "Effects of an ionic liquid solvent on the synthesis of γ-butyrolactones by conjugate addition using NHC organocatalysts", RSC Advances, 2012, 2, 10160-10162. doi:10.1039/c2ra21889e
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50) Ng, M. C. C.; Harper, J. B.; Stampfl, A. P. J.; Kearley, G. J.; Rols, S.; Stride, J. A.*: "Central atom size effects on the methyl torsions of group XIV tetratolyls", Chemistry – A European Journal, 2012, 18, 13018-13024. doi:10.1002/chem.201202105
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49) Yau, H. M.; Croft, A. K.; Harper, J. B.*: "One-Pot Hammett Plots: A General Method for the Rapid Acquisition of Relative Rate Data", Chemical Communications, 2012, 48, 8937-8939. doi:10.1039/c2cc34074g
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48) Ng, C. C. A.; Magenau, A.; Ngalim, S. H.; Ciampi, S.; Chockalingham, M.: Harper, J. B.; Gaus, K.; Gooding, J. J.*: "Using Electrical Potential to Reversibly Switch Surfaces between Two States for Dynamically Controlling Cell Adhesion", Angewandte Chemie, International Edition, 2012, 51, 7706-7710. doi:10.1002/anie.201202118
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47) Yau, H. M.; Croft, A. K.; Harper, J. B.*: "Investigating the origin of entropy-derived rate accelerations in ionic liquids", Faraday Discussions, 2012, 154, 365-371. doi:10.1039/c1fd00060h
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46) Hua, C.; Zhang, W. H.; De Almeida, S. R. M.; Ciampi, S.; Gloria, D.; Liu, G.; Harper, J. B.; Gooding, J. J.*: "A novel route to copper(II)detection using ‘click’ chemistry- induced aggregation of gold nanoparticles", Analyst, 2012, 137, 82-86. doi:10.1039/C1AN15693D
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2011
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45) Cole, M. L.*; Gyton, M. R.; Harper, J. B.: "Metal Complexes of an Ionic Liquid-Derived Carbene", Australian Journal of Chemistry, 2011, 64, 1133-1140. doi:10.1071/CH11227
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44) Ciampi, S.; James, M.; Darwish, N.; Luais, E.; Guan, B.; Harper, J. B.; Gooding, J. J.*: "Oxidative acetylenic coupling reactions as a surface chemistry tool", Physical Chemistry Chemical Physics, 2011, 13, 15624-15632. doi:10.1039/c1cp21450k
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43) Gyton, M. R.; Cole, M. L.*; Harper, J. B.*: "Ionic liquid effects on Mizoroki-Heck reactions: More than just carbene complex formation", Chemical Communications, 2011, 47, 9200-9202. doi:10.1039/c1cc12082d
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42) Butler, B. J.; Hook, J. M.; Harper, J. B.*: "Recent Advances in the NMR Spectroscopy of Chlorine, Bromine and Iodine", Annual Reports in NMR Spectroscopy, 2011, 73, 63-82. doi:10.1016/B978-0-08-097074-5.00002-5
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2010
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41) Davies, E.; Huang, Y.*; Harper, J. B.; Hook, J. M.; Thomas, D. S.; Burgar, I. M.; Lillford, P. J.: "Dynamics of Water in Agar Gels Studied Using Low and High Resolution 1H NMR Spectroscopy", International Journal of Food Science and Technology, 2010, 45, 2502-2507. doi:10.1111/j.1365-2621.2010.02448.x
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40) George, S. R. D.; Edwards, G. L.; Harper, J. B.*: "The effect of ionic liquids on azide-alkyne cycloaddition reactions", Organic and Biomolecular Chemistry, 2010, 8, 5354-5358. doi:10.1039/c0ob00306a
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39) Gui, A. L.; Liu, G.; Chockalingam, M.; Le Saux, G.; Luais, E.; Harper, J. B.; Gooding, J. J.*: "A comparative study of electrochemical reduction of 4-nitrophenyl covalently grafted on gold and carbon", Electroanalysis, 2010, 22, 1824-1830. doi:10.1002/elan.20100016
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38) Ng, C. C. A.; Ciampi, S.; Harper, J. B.; Gooding, J. J.*: "Antifouling behaviour of silicon surfaces modified with self-assembled monolayers containing both ethylene glycol and charged moieties", Surface Science, 2010, 604, 1388-1394. doi:10.1016/j.susc.2010.04.025
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37) Gui, A. L.; Liu, G.; Chockalingam, M.; Le Saux, G.; Harper, J. B.; Gooding, J. J.*: "A comparative study of modifying gold and carbon electrode with aryl diazonium salt", Electroanalysis, 2010, 22, 1283-1289. doi:10.1002/elan.200900615
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36) Ciampi, S.; Harper, J. B.; Gooding, J. J.*: "Wet chemical routes to the assembly of organic monolayers on silicon surfaces via the formation of Si-C bonds: surface preparation, passivation and functionalization", Chemical Society Reviews, 2010, 39, 2158-2183. doi:10.1039/b923890p
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35) Jones, S. G.; Yau, H. M.; Davies, E.; Hook, J. M.; Youngs, T. G. A.; Harper, J. B.*; Croft, A. K.*: "Ionic liquids through the looking glass: theory mirrors experiment and provides further insight into aromatic substitution processes", Physical Chemistry Chemical Physics, 2010, 12, 1873-1878. doi:10.1039/b919831h
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2009
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34) Ng, A.; Ciampi, S.; James, M.; Harper, J. B.; Gooding, J. J.*: "Comparing the Reactivity of Alkynes and Alkenes on Silicon(100) Surfaces", Langmuir, 2009, 25, 13934-13941. doi:10.1021/la901526e
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33) Yau, H. M.; Howe, A. G.; Hook, J. M.; Croft, A. K.; Harper, J. B.*: "Solvent reorganisation as the driving force for rate changes of Menschutkin reactions in an ionic liquid", Organic and Biomolecular Chemistry, 2009, 7, 3572-3575. doi:10.1039/b909171h
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32) Yau, H. M.; Chan, S. J.; George, S. R. D.; Hook, J. M.; Croft, A. K.; Harper, J. B.*: "Ionic Liquids: Just Molten Salts After All?", Molecules, 2009, 14, 2521-2534. doi:10.3390/molecules14072521.89
31) Ng, M. C. C.; Craig, D. J.; Harper, J. B.; van-Eijck, L.; Stride, J. A.*: "The central atom size effect on the structure of group XIV tetratolyls", Chemistry A European Journal, 2009, 15, 6569-6572. doi:10.1002/chem.200900360
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30) Chan, S. J.; Howe, A. G.; Hook, J. M.; Harper, J. B.*: "79Br NMR Spectroscopy as a Practical Tool for Kinetic Analysis", Magnetic Resonance in Chemistry, 2009, 47, 342-347. doi:10.1002/mrc.2401
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29) Ciampi, S., Eggers, P. K.; Le Saux, G.; James, M.; Harper, J. B.; Gooding, J. J.*: "Silicon Electrodes Resistant to Oxidation in Aqueous Solutions: An Unexpected Benefit of Clicking‚ Azides to Surface Acetylene Moieties", Langmuir, 2009, 25, 2530-2536. doi:10.1021/la803710d
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28) Rosella, C. E.; Harper, J. B.*: "The effect of ionic liquids on the outcome of nitrile oxide cycloadditions", Tetrahedron Letters, 2009, 50, 992-994. doi:10.1016/j.tetlet.2008.12.045
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2008
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27) Yau, H. M.; Barnes, S. A.; Hook, J. M.; Youngs, T. G. A.; Croft, A. K.*; Harper, J. B.*: "The importance of solvent reorganisation in the effect of an ionic liquid on a unimolecular substitution process", Chemical Communications, 2008, 3576-3578. doi:10.1039/b805255g
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26) Ciampi, S.; Le Saux, G.; Kilian, K. A.; Harper, J. B.; Gooding, J. J.*: "Optimization of Click Chemistry of Ferrocene Derivatives on Acetylene-Functionalized Silicon(100) Surfaces", Electronanalysis, 2008, 20, 1513-1519. doi:10.1002/elan.200804241
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25) Ciampi, S.; Böcking, T.; Kilian, K. A.; Harper, J. B.; Gooding, J. J.*: "Click Chemistry in Mesoporous Materials: Functionalization of Porous Silicon Rugate Filters", Langmuir, 2008, 24, 5888-5892. doi:10.1021/la800435d
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24) Clayton, K. A.; Black, D. StC.; Harper, J. B.*: "Mechanisms of cyclisation of indolo oxime ethers II. Formation of ethyl 6,8-dimethoxypyrazolo[4,5,1-hi]indole-5-carboxylates", Tetrahedron, 2008, 64, 3183-3189. doi:10.1016/j.tet.2008.01.100
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2007
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23) Lynden-Bell, R. M.*; Del Popolo, M. G.; Youngs, T. G. A.; Kohanoff, J.; Hanke, C. G.; Harper, J. B.; Pinilla, C. C.: "Simulations of ionic liquids, solutions and surfaces", Accounts of Chemical Research, 2007, 40, 1138-1145. doi:10.1021/ar700065s
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22) Clayton, K. A.; Black, D. StC.; Harper, J. B.*: "Mechanisms of cyclisation of indolo oxime ethers I. Formation of ethyl 9,11-dimethoxy indolo[2,3-c]quinoline-6-carboxylates", Tetrahedron, 2007, 63, 10615-10621. doi:10.1016/j.tet.2007.08.026
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21) Ciampi, S.; Böcking, T.; Kilian, K. A.; James, M.; Harper, J. B.; Gooding, J. J.*: "Functionalization of Acetylene-Terminated Monolayers on Si(100) Surfaces: A Click Chemistry Approach", Langmuir, 2007, 23, 9320-9329. doi:10.1021/la701035g
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20) Pratt, M.; Harper, J. B.; Colbran, S. B.*: "Do (pentaarylcyclopentadienyl)molybdenum(VI) dioxo species catalyse alkene epoxidations? Insights from kinetics data", Dalton Transactions, 2007, 2746-2748. doi:10.1039/b705571d
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19) Pouwer, R. H.; Harper, J. B.; Vyakaranam, K.; Michl, J.; Williams, C. M.*; Jessen, C. H.; Bernhardt, P. V.: "Investigating Direct Alkynylation at the Bridgehead of Caged Bicycles using Silver(I) Acetylide", European Journal of Organic Chemistry, 2007, 241-248. [COVER ARTICLE] doi:10.1002/ejoc.200600701
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2006
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18) Harper, J. B.*; Kobrak, M. N.: "Understanding Organic Processes in Ionic Liquids. Achievements So Far and Challenges Remaining", Mini Reviews in Organic Chemistry, 2006, 3, 253-269. doi:10.2174/157019306777935037
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17) Lawes, D. J.; Darwish, T.; Clark, T.*; Harper, J. B.*; Ball, G. E.*: "A rhenium-cyclohexane complex as a quantitative probe into the relative ability of C-H, C-D and C-C bonds as hyperconjugative electron donors", Angewandte Chemie, International Edition, 2006, 45, 4486-4490. doi:10.1002/anie.200600313
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16) Black, D. StC.*; Channon, M. F.; Clayton, K. A.; Condie, G. C.; Harper, J. B.; Kumar, N.; Pchalek, K.; Wahyuningsih, T. D.: "Augmented Indoles", ARKIVOC, 2006, VII, 67-75. doi:10.3998/ark.5550190.0007.707
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2005
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15) Man, B. Y. W.; Hook, J. M.; Harper, J. B.*: "Substitution reactions in ionic liquids: a kinetic study", Tetrahedron Letters, 2005, 46, 7641-7645. doi:10.1016/j.tetlet.2005.08.064
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14) Ji, X. K.; Black, D. StC.; Colbran, S. B.*; Craig, D.; Edbey, K. M.; Harper, J. B.; Willett, G. D.: "meso-Indanyl Calix[4]pyrrole Receptors", Tetrahedron, 2005, 61, 10705-10712. doi:10.1016/j.tet.2005.08.082
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13) Pouwer, R. H.; Williams, C. M.*; Raine, A. L.; Harper, J. B.: "'One-Step' Alkynylation of Adamantyl Iodide with Silver(I) Acetylides", Organic Letters, 2005, 7, 1323-1325. [COVER ARTICLE] doi:10.1021/ol050121+
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2004
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12) Barr, L.; Dumanski, P. G.; Easton, C. J.*; Harper, J. B.; Lee, K.; Lincoln, S. F.; Meyer, A. G.; Simpson, J. S.: "Cyclodextrin Molecular Reactors", Journal of Inclusion Phenomena, 2004, 50, 19-24. doi:10.1007/s10847-004-8833-9
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11) Paxton, A. T.*; Harper, J. B.: "On the solvation of L-aspartate", Molecular Physics, 2004, 102, 953-958. doi:10.1080/00268970410001711913
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10) Harper, J. B.; Lynden-Bell, R. M.*: "Macroscopic and microscopic properties of solutions of aromatic compounds in an ionic liquid", Molecular Physics, 2004, 102, 85-94. doi:10.1080/00268970410001668570
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Before 2004
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9) Harper, J. B.; Easton, C. J.*; Lincoln, S. F.: "A cyclodextrin-based molecular reactor to template the formation of indigoid dyes", Tetrahedron Letters, 2003, 43, 5815-5818.
doi:10.1016/S0040-4039(03)01403-5
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8) Hanke, C. G.; Johannsson, A.; Harper, J. B.; Lynden-Bell, R. M.*: "Why are aromatic compounds more soluble than aliphatic compounds in dimethylimidazolium ionic liquids? A simulation study", Chemical Physics Letters, 2003, 374, 85-90.
doi:10.1016/S0009-2614(03)00703-6
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7) Easton, C. J.*; Harper, J. B.; Head, S. J.; Lee, K.; Lincoln, S. F.: "Cyclodextrins to Limit Substrate Inhibition and Alter Substrate Selectivity Displayed by Enzymes", Journal of the Chemical Society, Perkin Transactions 1, 2001, 584-587. doi:10.1039/b008339i
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6) Harper, J. B.; Easton, C. J.*; Lincoln, S. F.: "Cyclodextrins to Increase the Utility of Enzymes in Organic Synthesis", Current Organic Chemistry, 2000, 4, 429-454. doi:10.2174/1385272003376247
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5) Easton, C. J.*; Harper, J. B.; Lincoln, S. F.: "N,N'-Bis(6A-deoxy-beta-cyclodextrin-6A-yl)urea as a Molecular Template in the Formation of Indigoid Dyes", New Journal of Chemistry, 1998, 22, 1163-1165. doi:10.1039/A806486E
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4) Easton, C. J.*; Harper, J. B.: "Acylase I Catalysed Hydrolysis of para-Substituted (S)-Phenylalanine Derivatives from Mixtures of the Racemic ortho- and para-Substituted Isomers", Tetrahedron Letters, 1998, 39, 5269-5273. doi:10.1016/S0040-4039(98)00997-6
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3) Ashnagar, A.; Culnane, P. T.; Easton, C. J.*; Harper, J. B.; Lincoln, S. F.: "Complexes of Naproxen and Ibuprofen with 6A-Amino-6A-deoxy-beta-cyclodextrin", Australian Journal of Chemistry, 1997, 50, 447-450. doi:10.1071/C96201
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2) Easton, C. J.*; Harper, J. B.; Lincoln, S. F.: "Use of Cyclodextrins to Limit Product Inhibition of (S)-Phenylalanine Ammonia Lyase", Journal of the Chemical Society, Perkin Transactions 1, 1995, 2525-2526. doi:10.1039/P19950002525
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1) Badran, T. W.; Chai, C. L. L.*; Easton, C. J.*; Harper, J. B.; Page, D. M.: "Directing Bromination of Piperazine-2,5-diones", Australian Journal of Chemistry, 1995, 48, 1379-1384. doi:10.1071/CH9951379
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Book Chapters
6) Harper, J. B.*; Schaffarczyk McHale, K. S.: "Pyridines and their benzo derivatives: Structure" in Comprehensive Heterocyclic Chemistry IV, doi: 10.1016/B978-0-12-818655-8.00068-8
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5) Gilbert, A.; Haines, R. S.; Harper, J. B.*: "Selecting ionic liquids to enhance and control reaction outcomes" in Elsevier References Modules in Chemistry, Molecular Sciences and Chemical Engineering, Reedijk, J., Ed.; Elsevier: Waltham, MA. 26-Jul-18. [Invited Article] doi:10.1016/B978-0-12-409547-2.14212-X
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4) Keaveney, S. T.; Haines, R. S.; Harper, J. B.*: "Reactions in Ionic Liquids" in Encyclopedia of Physical Organic Chemistry, Volume 2 (Volume editor U. Wille), Wiley, 2017: Online ISBN: 9781118468586. [Invited Article]
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3) Hawker, R. R.; Haines, R. S.; Harper, J. B.*: "Variation of the cation of ionic liquids: The effects on their physicochemical properties and reaction outcome" in Targets in Heterocyclic Systems (Volume editor R. Noto), 18, 141-213 (2014). [Invited Article]
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2) Harper, J. B.*: "Pyridines and their benzo derivatives: Structure" in Comprehensive Heterocyclic Chemistry III, Katritzky, A. .R.; Ramsden, C. A.; Scriven, E. F. V.; Taylor, R. J. K., Eds.; Elsevier: Oxford, 2008; Vol. 7, pp 1-40.
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1) Easton, C. J.*; Harper, J. B.; Lincoln, S. F.: "A molecular reactor for the synthesis of indirubin and related compounds", in Indirubin, the red shade of indigo, Meijer, L.; Guyard, N.; Skaltsounis, L.; Eisenbrand, G., Eds.; Life in Progress Editions: Roscoff, France, 2006.
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Conference Proceedings
3) Leckner, J.*; Reddy, A. B.; Black, J. J.; Harper, J. B.; Glavatskih, S.: “Bevel gear grease case study continued – mechanism revealed”, in Proceedings of National Lubricating Greases Institute (NLGI) 90th Annual Meeting, June 4-7, 2023, San Diego, California.
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2) Beves, J. E.*; Harper, J. B.*; Thordarson, P.*: "23rd IUPAC Conference on Physical Organic Chemistry (ICPOC-23)", Pure and Applied Chemistry, 2017, 89, 677. doi: 10.1515/pac-2017-0311
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1) Easton, C. J.*; Harper, J. B.; Lincoln, S. F.: "Cyclodextrins as Molecular Templates", in Proceedings of the 9th International Symposium on Cyclodextrins, eds. J. J. Torres-Labandeira and J. L. Vila-Jato, Kluwer Dordrecht, 609-612 (1999).
Other contributions
3) Burrows, C. J.*; Harper, J. B.*; Sander, W.; Tantillo, D. J.: “Solvation Effects in Organic Chemistry”, Journal of Organic Chemistry, 2022, 87, 1599-1601. doi: 10.1021/acs.joc.1c03148
2) Harper, J. B.*; Kirchner, B.*; Pavez, P.*; Welton, T.*: “Non-traditional solvent effects in organic reactions”, Physical Chemistry Chemical Physics, 2021, 23, 26028-26029. doi: 10.1039/d1cp90187g
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1) “Green solvents”, in Chemistry by A. Blackman, S. E. Bottle, S. Schmid, M. Mocerino and U. Wille, Wiley.
