Dr Emma Richards

2023

• Richards, E. and Melen, R. L. 2023. Carbenium catalysis toward β-carbolines. Chem Catalysis 3(2), article number: 100511. (10.1016/j.checat.2023.100511)
• Magri, G. et al. 2023. An in-situ study of the thermal decomposition of 2,2'-azobis(2-methylpropionitrile) radical chemistry using a dual-mode EPR resonator. Research on Chemical Intermediates 49, pp. 289-305. (10.1007/s11164-022-04861-z)
• Stefkova, K., Guerzoni, M. G., van Ingen, Y., Richards, E. and Melen, R. L. 2023. B(c6f5)3-catalyzed diastereoselective and divergent reactions of vinyldiazo esters with nitrones: synthesis of highly functionalized diazo compounds. Organic Letters 25(3), pp. 500-505. (10.1021/acs.orglett.2c04198)
• Liu, H., Neale, S. E., Hill, M. S., Mahon, M. F., McMullin, C. L. and Richards, E. 2023. Reduction of Na+ within a {Mg2Na2} assembly. Angewandte Chemie International Edition 62(3), article number: e202213670. (10.1002/anie.202213670)
• Han, F. et al. 2023. Copper cocatalyst modulated radical generation for selective heterogeneous photosynthesis of α‑haloketones. ACS Catalysis 13(1), pp. 248-255. (10.1021/acscatal.2c05189)

2022

• Guerzoni, M. G., Dasgupta, A., Richards, E. and Melen, R. L. 2022. Enantioselective applications of frustrated Lewis pairs in organic synthesis. Chem Catalysis 2(11), pp. 2865-2875. (10.1016/j.checat.2022.09.007)
• Dasgupta, A. et al. 2022. Chemo- and regio-selective amidation of indoles with isocyanates using borane Lewis acids. Catalysis Science & Technology 12(19), pp. 5982-5990. (10.1039/D2CY01441F)
• Dasgupta, A. et al. 2022. Lewis acid assisted Brønsted acid catalysed decarbonylation of Isocyanates: a combined DFT and experimental study. Chemistry - A European Journal 28(45), article number: e202201422. (10.1002/chem.202201422)
• Barter, M. et al. 2022. Design considerations of a dual mode X-band EPR resonator for rapid in-situ microwave heating. Applied Magnetic Resonance 53, pp. 861-874. (10.1007/s00723-022-01463-1)
• Zhang, D. et al. 2022. Photocatalytic abstraction of hydrogen atoms from water using hydroxylated graphitic carbon nitride for hydrogenative coupling reactions. Angewandte Chemie International Edition 134(24), article number: e202204256. (10.1002/anie.202204256)
• Sawicka, N., Craze, C. J., Horton, P. N., Coles, S. J., Richards, E. and Pope, S. J. A. 2022. Long-lived, near-IR emission from Cr(iii) under ambient conditions. Chemical Communications 58(38), pp. 5733-5736. (10.1039/D2CC01434C)
• Dasgupta, A., Richards, E. and Melen, R. L. 2022. Triarylborane catalyzed carbene transfer reactions using diazo precursors. ACS Catalysis 12, pp. 442-452. (10.1021/acscatal.1c04746)

2021

• Nicholson, W. I. et al. 2021. Ball-milling-enabled reactivity of manganese metal. Angewandte Chemie International Edition 60(43), pp. 23128-23133. (10.1002/anie.202108752)
• Wu, Q. et al. 2021. Inhibit the formation of toxic methylphenolic by-products in photo-decomposition of formaldehyde-toluene/xylene mixtures by Pd cocatalyst on TiO2. Applied Catalysis B: Environmental 291, article number: 120118. (10.1016/j.apcatb.2021.120118)
• Woof, C. R., Durand, D. J., Fey, N., Richards, E. and Webster, R. L. 2021. Iron catalyzed double bond isomerization: evidence for an Fe I /Fe III catalytic cycle. Chemistry - A European Journal 27(19), pp. 5972-5977. (10.1002/chem.202004980)
• Dasgupta, A. et al. 2021. Site-selective Csp3–Csp/Csp3–Csp2 cross-coupling reactions using frustrated Lewis pairs. Journal of the American Chemical Society 143(11), pp. 4451-4464. (10.1021/jacs.1c01622)
• Folli, A., Ritterskamp, N., Richards, E., Platts, J. A. and Murphy, D. M. 2021. Probing the structure of copper(II)-casiopeina type coordination complexes [Cu(O-O)(N-N)]+ by EPR and ENDOR spectroscopy. Journal of Catalysis 394, pp. 220-227. (10.1016/j.jcat.2020.07.016)
• Ayan, D., Richards, E. and Melen, R. 2021. Frustrated radical pairs: insights from EPR spectroscopy. Angewandte Chemie International Edition 60(1), pp. 53-65. (10.1002/anie.202010633)

2020

• Soltani, Y. et al. 2020. Radical reactivity of frustrated Lewis pairs with diaryl esters. Cell Reports Physical Science 1(2) (10.1016/j.xcrp.2020.100016)
• Folli, A. et al. 2020. A novel dual mode X-band EPR resonator for rapid in situ microwave heating. Journal of Magnetic Resonance 310, article number: 106644. (10.1016/j.jmr.2019.106644)
• Wilson, A. S. S., Dinoi, C., Hill, M. S., Mahon, M. F., Maron, L. and Richards, E. 2020. Calcium hydride reduction of polycyclic aromatic hydrocarbons. Angewandte Chemie International Edition 59(3), pp. 1232-1237. (10.1002/anie.201913895)

2019

• Richards, E., Murphy, D. M. and Che, M. 2019. An EPR characterisation of stable and transient reactive oxygen species formed under radiative and non-radiative conditions. Research on Chemical Intermediates 45(12), pp. 5763-5779. (10.1007/s11164-019-04001-0)
• Luckham, S. L. J., Folli, A., Platts, J. A., Richards, E. and Murphy, D. M. 2019. Unravelling the photochemical transformations of chromium(I) 1,3 Bis(diphenylphosphino), [Cr(CO)4(dppp)]+, by EPR spectroscopy. Organometallics 38(12), pp. -. (10.1021/acs.organomet.9b00226)
• McGuire, J., Miras, H., Richards, E. and Sproules, S. 2019. Enabling single qubit addressability in a molecular semiconductor comprising gold-supported organic radicals. Chemical Science 10(5), pp. 1483-1491. (10.1039/C8SC04500C)
• Hill, M. S., Mahon, M. F., Wilson, A. . S. S., Dinoi, C., Maron, L. and Richards, E. 2019. Reduction of 1,3,5,7-cyclooctatetraene by a molecular calcium hydride: an even electron polarised insertion/deprotonation mechanism. Chemical Communications 55(40), pp. 5732-5735. (10.1039/C9CC02418B)

2018

• McGuire, J., Miras, H. N., Donahue, J. P., Richards, E. and Sproules, S. 2018. Ligand radicals as modular organic electron spin qubits. Chemistry - A European Journal 24(66), pp. 17598-17605. (10.1002/chem.201804165)
• Spencer, J., Folli, A., Richards, E. and Murphy, D. M. 2018. Applications of electron paramagnetic resonance spectroscopy for interrogating catalytic systems. In: Chechik, V. and Murphy, D. M. eds. Electron Paramagnetic Resonance., Vol. 26. Royal Society of Chemistry, pp. 130-170., (10.1039/9781788013888-00130)
• Regue, M., Armstrong, K., Walsh, D., Richards, E., Johnson, A. L. and Eslava, S. 2018. Mo-doped TiO2 photoanodes using [Ti4Mo2O8(OEt)10]2 bimetallic oxo cages as a single source precursor. Sustainable Energy & Fuels 2(12), pp. 2674-2686. (10.1039/C8SE00372F)
• Folli, A. et al. 2018. Improving the selectivity of photocatalytic NOx abatement through improved O2 reduction pathways using Ti0.909W0.091O2Nx semiconductor nanoparticles: from characterisation to photocatalytic performance. ACS Catalysis 8(8), pp. 6927-6938. (10.1021/acscatal.8b00521)

2017

• Blackaby, W. J. M. et al. 2017. Mono- and dinuclear Ni(i) products formed upon bromide abstraction from the Ni(i) ring-expanded NHC complex [Ni(6-Mes)(PPh3)Br]. Dalton Transactions 47(3), pp. 769-782. (10.1039/C7DT04187J)
• Ritterskamp, N., Sharples, K., Richards, E., Folli, A., Chiesa, M., Platts, J. A. and Murphy, D. M. 2017. Understanding the coordination modes of [Cu(acac)2(imidazole)n=1,2] adducts by EPR, ENDOR, HYSCORE, and DFT analysis. Inorganic Chemistry 56(19), pp. 11862-11875. (10.1021/acs.inorgchem.7b01874)
• Ould, D. M. C. et al. 2017. Investigations into the photophysical and electronic properties of pnictoles and Their pnictenium counterparts. Organometallics 37(5), pp. 712-719. (10.1021/acs.organomet.7b00564)
• Li, Y. et al. 2017. Trapping a silicon(I) radical with carbenes: a cationic cAAC-silicon(I) radical and an NHC-parent-silyliumylidene cation. Angewandte Chemie International Edition 56(26), pp. 7573-7578. (10.1002/anie.201702760)
• Constantinides, C. P., Carter, E., Eisler, D., Beldjoudi, Y., Murphy, D. M. and Rawson, J. M. 2017. Effects of Halo-substitution on 2'-Chloro-5'-halo-phenyl-1,2,3,5-dithiadiazolyl Radicals: A Crystallographic, Magnetic and EPR Case Study. Crystal Growth and Design 17(6), pp. 3017-3029. (10.1021/acs.cgd.6b01700)

2016

• Zhang, S. H., Carter, E., Xi, H., Li, Y., Lim, K. H. and So, C. 2016. Delocalized hypervalent silyl radical supported by amidinate and imino substituents. Inorganic Chemistry 56(2), pp. 701-704. (10.1021/acs.inorgchem.6b02427)
• Su, R. et al. 2016. Mechanistic insight into the interaction between a titanium dioxide photocatalyst and Pd co-catalyst for improved photocatalytic performance. ACS Catalysis 6(7), pp. 4239-4247. (10.1021/acscatal.6b00982)
• Et-Tarhouni, Z., Carter, E., Murphy, D. M., Griffiths, P. C., Mansour, O. T., King, S. M. and Paul, A. 2016. Quantifying the micellar structure formed from hydrocarbon-fluorocarbon surfactants. Colloids and Surfaces A: Physiochemical and Engineering Aspects 492, pp. 255-262. (10.1016/j.colsurfa.2015.12.015)
• Hallett, A. J., O'Brien, T., Carter, E., Kariuki, B., Murphy, D. M. and Ward, B. D. 2016. Copper(II) complexes of pyridine-oxazoline (Pyox) ligands: coordination chemistry, ligand stability, and catalysis. Inorganica Chimica Acta 441, pp. 86-94. (10.1016/j.ica.2015.10.032)
• Chechik, V., Carter, E. and Murphy, D. 2016. Electron paramagnetic resonance. Oxford Chemistry Primers. Oxford: Oxford University Press.

2015

• Carter, E. and Murphy, D. M. 2015. The role of low valent transition metal complexes in homogeneous catalysis: an EPR investigation. Topics in Catalysis 58(12-13), pp. 759-768. (10.1007/s11244-015-0417-6)
• Carter, E., Sharples, K. M., Platts, J. A. and Murphy, D. M. 2015. Structure determination of bound nitrogen-based adducts with copper(ii) acetylacetonato; an EPR, ENDOR and DFT study. Physical Chemistry Chemical Physics 17(17), pp. 11445-11454. (10.1039/C5CP00559K)
• Carter, E. and Murphy, D. 2015. Homogeneous catalytic transformations investigated by EPR spectroscopy. In: Gilbert, B. C., Chechik, V. and Murphy, D. eds. Electron Paramagnetic Resonance., Vol. 24. Royal Society of Chemistry, pp. 148-193., (10.1039/9781782620280-00148)

2014

• Ambrose, L. J. A., Abd-Jamil, A. H., Gomes, R. S. M., Carter, E., Carr, C. A., Clarke, K. and Heather, L. C. 2014. Investigating mitochondrial metabolism in contracting HL-1 cardiomyocytes following hypoxia and pharmacological HIF activation identifies HIF-dependent and independent mechanisms of regulation. Journal of Cardiovascular Pharmacology and Therapeutics 19(6), pp. 574-585. (10.1177/1074248414524480)
• Bedford, R. B., Brenner, P. B., Carter, E., Gallagher, T., Murphy, D. M. and Pye, D. R. 2014. Iron-catalyzed borylation of alkyl, allyl, and aryl halides: isolation of an iron(I) boryl complex. Organometallics 33(21), pp. 5940-5943. (10.1021/om500847j)
• Bedford, R. B. et al. 2014. Iron phosphine catalyzed cross-coupling of tetraorganoborates and related group 13 nucleophiles with alkyl halides. Organometallics 33(20), pp. 5767-5780. (10.1021/om500518r)
• Chia, S., Carter, E., Xi, H., Li, Y. and So, C. 2014. Group II metal complexes of the germylidendiide dianion radical and germylidenide anion. Angewandte Chemie International Edition 53(32), pp. 8455-8458. (10.1002/anie.201404357)
• Bedford, R. B. et al. 2014. Expedient iron-catalyzed coupling of alkyl, benzyl and allyl halides with aylboronic esters. Chemistry - A European Journal 20(26), pp. 7935-7938. (10.1002/chem.201402174)
• Constantinides, C. P., Eisler, D. J., Alberola, A., Carter, E., Murphy, D. M. and Rawson, J. M. 2014. Weakening of the pi*-pi* dimerisation in 1,2,3,5-dithiadiazolyl radicals: structural, EPR, magnetic and computational studies of dichlorophenyl dithiadiazolyls, Cl2C6H3CNSSN. Crystengcomm 16(31), pp. 7298-7312. (10.1039/C4CE00308J)
• Hicks, J. et al. 2014. A two-coordinate manganese(0) complex with an unsupported Mn-Mg bond: allowing access to low coordinate homo- and heterobimetallic compounds. Journal of the American Chemical Society 136(14), pp. 5283-5286. (10.1021/ja5021348)
• Meenakshisundaram, S., Nowicka, E., Carter, E., Murphy, D. M., Knight, D. W., Bethell, D. and Hutchings, G. J. 2014. The benzaldehyde oxidation paradox explained by the interception of peroxy radical by benzyl alcohol. Nature Communications 5, pp. ., article number: 3332. (10.1038/ncomms4332)
• Bedford, R. B. et al. 2014. TMEDA in iron-catalyzed Kumada coupling: amine adduct versus homoleptic "ate" complex formation. Angewandte Chemie International Edition 53(7), pp. 1804-1808. (10.1002/anie.201308395)

2013

• Poulten, R. C. et al. 2013. Synthesis, electronic structure, and magnetism of [Ni(6-Mes)2]+: a two-coordinate nickel(I) complex stabilized by bulky N-heterocyclic carbenes. Journal of the American Chemical Society 135(37), pp. 13640-13643. (10.1021/ja407004y)
• Sharples, K. M., Carter, E., Hughes, C. E., Harris, K. D. M., Platts, J. A. and Murphy, D. M. 2013. An ENDOR and DFT analysis of hindered methyl group rotations in frozen solutions of bis(acetylacetonato)-copper(ii). Physical Chemistry Chemical Physics 15(36), pp. 15214-15222. (10.1039/c3cp52464g)
• Griffiths, P. C., Mauro, N., Murphy, D. M., Carter, E., Richardson, S. C. W., Dyer, P. and Ferruti, P. 2013. Self-assembled PAA-based nanoparticles as potential gene and protein delivery systems. Macromolecular Bioscience 13(5), pp. 641-649. (10.1002/mabi.201200462)
• Page, M. J. et al. 2013. Three-coordinate nickel(I) complexes stabilised by six-, seven- and eight-membered ring N-heterocyclic carbenes: synthesis, EPR/DFT studies and catalytic activity. Chemistry - a European Journal 19(6), pp. 2158-2167. (10.1002/chem.201202950)
• Bedford, R. B. et al. 2013. Simplifying iron-phosphine catalysts for cross-coupling reactions. Angewandte Chemie - International Edition 52(4), pp. 1285-1288. (10.1002/anie.201207868)
• Carter, E. et al. 2013. Formation of [Cr(CO)x(Ph2PN(iPr)PPh2)]+Structural Isomers by Reaction of Triethylaluminum with a ChromiumN,N-Bis(diarylphosphino)amine Complex [Cr(CO)4(Ph2PN(iPr)PPh2)]+: An EPR and DFT Investigation. Organometallics 32(6), pp. 1924-1931. (10.1021/om400029y)
• Mughal, S., Bezzu, C. G., Carter, E., Pope, S. J. A. and McKeown, N. B. 2013. The tetratriptycenoporphyrazines revisited. Journal of Porphyrins and Phthalocyanines 17(08n09), pp. 778-784. (10.1142/S1088424613500351)
• Constantinides, C. P. et al. 2013. Spin-triplet excitons in 1,3-diphenyl-7-(fur-2-yl)-1,4-dihydro-1,2,4-benzotriazin-4-yl. Chemical Communications 49(77), pp. 8662-8664. (10.1039/c3cc44899a)
• Carter, E., Hazeland, E. L., Murphy, D. M. and Ward, B. D. 2013. Structure, EPR/ENDOR and DFT characterisation of a [CuII(en)2](OTf)2 complex. Dalton Transactions 42(42), pp. 15088-15096. (10.1039/c3dt51694f)

2012

• Owen, M. E., Carter, E., Hutchings, G. J., Ward, B. D. and Murphy, D. M. 2012. Influence of counterions on the structure of bis(oxazoline) copper(II) complexes; an EPR and ENDOR investigation. Dalton Transactions 41(36), pp. 11085-11092. (10.1039/C2DT31273E)
• Zamani, S., Carter, E., Murphy, D. M. and Van Doorslaer, S. 2012. Probing differences in binding of methylbenzylamine enantiomers to chiral cobalt(II) salen complexes. Dalton Transactions 41(22), pp. 6861-6870. (10.1039/C2DT30207A)
• Stephen, E. et al. 2012. Redox non-innocence of thioether crowns: elucidation of the electronic structure of the mononuclear Pd(III) complexes [Pd([9]aneS3)2]3+and [Pd([18]aneS6)]3+. Inorganic Chemistry 51(3), pp. 1450-1461. (10.1021/ic2017006)
• Adams, C. J. et al. 2012. Iron(I) in Negishi cross-coupling reactions. Journal of the American Chemical Society 134(25), pp. 10333-10336. (10.1021/ja303250t)
• Vinck, E., Carter, E., Murphy, D. M. and Doorslaer, S. V. 2012. Observation of an organic acid mediated spin state transition in a Co(II)-Schiff base complex: an EPR, HYSCORE, and DFT study. Inorganic Chemistry 51(15), pp. 8014-8024. (10.1021/ic300058p)

2011

• Murphy, D. M. et al. 2011. Visualizing diastereomeric interactions of chiral amine-chiral copper salen adducts by EPR spectroscopy and DFT. Inorganic Chemistry 50(15), pp. 6944-6955. (10.1021/ic200113u)
• Carter, E. et al. 2011. Structure and pulsed EPR characterization of N,N′-bis(5-tert-butylsalicylidene)-1,2-cyclohexanediamino-vanadium(IV) oxide and its adducts with propylene oxide. Dalton Transactions 40(28), pp. 7454-7462. (10.1039/c1dt10378d)
• Woodul, W. D. et al. 2011. A neutral, monomeric germanium(I) radical. Journal of the American Chemical Society 133(26), pp. 10074-10077. (10.1021/ja204344e)
• Murphy, D. M., McDyre, L., Carter, E., Stasch, A. and Jones, C. 2011. A CW-EPR, ENDOR and special TRIPLE resonance study of a novel magnesium ketyl radical. Magnetic Resonance in Chemistry 49(4), pp. 159-163. (10.1002/mrc.2721)
• Alberola, A., Carter, E., Constantinides, C. P., Eisler, D. J., Murphy, D. M. and Rawson, J. M. 2011. Crystal structures, EPR and magnetic properties of 2-ClC6H4CNSSN˙ and 2,5-Cl2C6H3CNSSN˙. Chemical Communications 47(9), pp. 2532-2534. (10.1039/c0cc04296j)
• McDyre, L. et al. 2011. Intramolecular formation of a CrI(bis-arene) species via TEA activation of [Cr(CO)4(Ph2P(C3H6)PPh2)]+: sn EPR and DFT investigation. Organometallics 30(17), pp. 4505-4508. (10.1021/om2006062)
• Caretti, I., Carter, E., Fallis, I. A., Murphy, D. M. and Van Doorslaer, S. 2011. Interactions of an asymmetric amine with a non-C2 symmetric Cu-salen complex: An EPR/ENDOR and HYSCORE investigation. Physical Chemistry Chemical Physics 13(45), pp. 20427-20434. (10.1039/c1cp22522g)
• Garcia, T., Weng, W., Solsona, B. E., Carter, E., Carley, A. F., Kiely, C. J. and Taylor, S. H. 2011. The significance of the order of impregnation on the activity of vanadia promoted palladium-alumina catalysts for propane total oxidation. Catalysis Science & Technology 1(8), pp. 1367-1375. (10.1039/c0cy00032a)

2010

• Griffiths, P. C. et al. 2010. Interaction of an endosomolytic polyamidoamine ISA23 with vesicles mimicking intracellular membranes: A SANS/EPR study. Macromolecular Bioscience 10(8), pp. 963-973. (10.1002/mabi.201000040)
• Carter, E., Fallis, I. A., Murphy, D. M., Willock, D. J., Van Doorslaer, S. and Vinck, E. 2010. Probing the role of weak outer sphere interactions (H-bonds) in VO(3,5-tBu2-salophen) – Epoxide adducts by EPR, ENDOR and HYSCORE. Chemical Physics Letters 486(1-3), pp. 74-79. (10.1016/j.cplett.2009.12.066)
• Carter, E. et al. 2010. Experimental observation of spin delocalisation onto the aryl-alkynyl ligand in the complexes [Mo(C=CAr)(Ph2PCH2CH2PPh2)(η-C7H7)]+ (Ar = C6H5, C6H4-4-F; C7H7 = cycloheptatrienyl): an EPR and ENDOR investigation. Dalton Transactions 39(47), pp. 11424-11431. (10.1039/c0dt00642d)

2009

• Green, J., Carter, E. and Murphy, D. M. 2009. Interaction of molecular oxygen with oxygen vacancies on reduced TiO2: Site specific blocking by probe molecules. Chemical Physics Letters 477(4-6), pp. 340-344. (10.1016/j.cplett.2009.07.002)
• Green, J., Carter, E. and Murphy, D. M. 2009. An EPR investigation of acetonitrile reactivity with superoxide radicals on polycrystalline TiO2. Research on Chemical Intermediates 35(2), pp. 145-154. (10.1007/s11164-008-0022-4)
• Murphy, D. M., Fallis, I. A., Carter, E., Willock, D. J., Landon, J., Van Doorslaer, S. and Vinck, E. 2009. Enantioselective binding of structural epoxide isomers by a chiral vanadyl salen complex: a pulsed EPR, cw-ENDOR and DFT investigation. Physical Chemistry Chemical Physics 11(31), pp. 6757-6769. (10.1039/b907807j)
• Carter, E. and Murphy, D. 2009. Structure-function relationships and mechanistic pathways in homogeneous catalysis as probed by ENDOR spectroscopy. In: Yarwood, J., Douthwaite, R. and Duckett, S. eds. Spectroscopic properties of inorganic and organometallic chemistry., Vol. 40. Specialist periodical report Cambridge: Royal Society of Chemistry, pp. 355-384., (10.1039/b715580h)

2008

• Murphy, D. M., Fallis, I. A., Willock, D. J., Landon, J. H., Carter, E. and Vinck, E. 2008. Discrimination of geometrical epoxide isomers by ENDOR spectroscopy and DFT calculations: the role of hydrogen bonds. Angewandte Chemie. International Edition 47(8), pp. 1414-1416. (10.1002/anie.200703537)

2007

• Carter, E., Carley, A. F. and Murphy, D. M. 2007. Evidence for O2- Radical Stabilization at Surface Oxygen Vacancies on Polycrystalline TiO2. Journal of Physical Chemistry C 111(28), pp. 10630-10638. (10.1021/jp0729516)
• Carter, E., Carley, A. F. and Murphy, D. M. 2007. Free-Radical Pathways in the Decomposition of Ketones over Polycrystalline TiO2: The Role of Organoperoxy Radicals. ChemPhysChem 8(1), pp. 113-123. (10.1002/cphc.200600484)
• Carter, E. 2007. EPR investigation of stable and transient oxygen centred radicals over polycristalline titanium dioxide. PhD Thesis, Cardiff University.