Richard Bowen

Peer reviewed journal (52)

• Predictability of Isostructurality within Monosubstituted Cinnamide Crystals

  Colin C. Seaton;Nathan W. Fenwick;Amie Saidykhan;Richard Telford;Richard D. Bowen (2025) Crystal Growth and Design.

• Steric Effects of N-Alkyl Group on the Base-Induced Nitrogen to Carbon Rearrangement of Orthogonally Protected N-Alkyl Arylsulphonamides

  Amie Saidykhan;Janessa Ebert;Nathan W. Fenwick;William H C Martin;Richard Bowen (2025) Molecules.

• Crystal or Glass? Chemical and Crystallographic Factors in the Amorphization of Molecular Materials

  Nathan W. Fenwick;Richard Telford;Richard D. Bowen;Colin C. Seaton (2024) Crystal Growth and Design. 24, 1124-1135.

• The anticancer/cytotoxic effect of a novel gallic acid derivative in non-small cell lung carcinoma A549 cells and peripheral blood mononuclear cells from healthy individuals and lung cancer patients.

  Jafarinejad S;Martin WHC;Ras BA;Isreb M;Jacob B;Aziz A;Adoul Z;Lagnado R;Bowen RD;Najafzadeh M; (2023) BioFactors.

• Detection and characterisation of oxocyclohexan[b]indoles by combined application of vibrational spectroscopy and mass spectrometry

  amie saidykhan;William Martin;richard gallagher;Kohn Kendrick;Richard Bowen (2023) Journal of Molecular Structure. 1294

• Hammett Correlation in Competition Experiments in Dissociation of Ionised Substituted Benzophenones and Dibenzylideneacetones

  Fenwick, NW; Telford, R; Martin, WHC; Bowen, RD (2023) European Journal of Mass Spectrometry. 29

• Hammett Correlation in Competing Fragmentations of Ionized 2-Substituted Benzanilides generated by Electron Ionization Mass Spectrometry

  Fenwick NW, Telford R, Martin WHC, Bowen RD (2022) European Journal of Organic Chemistry. 2022

• Proximity Effects in Mass Spectra of Benzanilides.

  Fenwick, NW; Saidykhan A; Nazir, Y; Telford, R;Masood, B; Martin, WHC; Gallagher, RT;Bowen, RD (2021) European Journal of Mass Spectrometry. 27

• Isostructurality of quinoxaline crystal phases: The interplay of weak hydrogen bonds and halogen bonding

  Saidykhan A.;Fenwick N.W.;Bowen R.D.;Telford R.;Seaton C.C. (2021) CrystEngComm. 23, 7108-7117.

• Hammett Correlation in the Accelerated Formation of 2,3-Diphenylquinoxalines in Nebulizer Microdroplets.

  Fenwick NW;Telford R;Saidykhan A;Martin WHC;Bowen RD; (2021) Molecules. 26

• Experimental and computational evidence for C=O π-bonding in [CH2OH]⁺ and related oxonium ions

  Bowen R.;Martin W.;Hudson C.;McAdoo D. (2020) European Journal of Mass Spectrometry.

• Structure reactivity relationship in the accelerated formation of 2,3-diarylquinoxalines in the microdroplets of a nebuliser.

  Hayat N;Fenwick NW;Saidykhan A;Telford R;Martin WH;Gallagher RT;Bowen RD; (2019) European Journal of Mass Spectrometry. 25

• Accelerated generation of (protonated) imines and quinoxalines by formation of C=N bonds in the microdroplets of a nebuliser

  Saidykhan A.;Nazir Y.;Martin W.;Gallagher R.;Bowen R. (2018) European Journal of Mass Spectrometry. 24, 3-11.

• The scope and regioselectivity of intramolecular N-C rearrangements of orthogonally protected sulfonamides, including cyclization to saccharin derivatives

  Saidykhan A.;Ebert J.;Ally H.;Gallagher R.;Martin W.;Bowen R. (2017) Tetrahedron Letters. 58, 3089-3091.

• The mechanism of alkene elimination from protonated toluenesulphonamides generated by electrospray ionisation

  Saidykhan A.;Ebert J.;Martin W.;Gallagher R.;Bowen R. (2016) European Journal of Mass Spectrometry. 22, 165-173.

• Application of positive mode atmospheric chemical ionisation to distinguish epimeric oleanolic and ursolic acids

  Townley C.;Brettell R.;Bowen R.;Gallagher R.;Martin W. (2015) European Mass Spectrometry. 21, 433-442.

• Intramolecular NC rearrangements involving sulfonamide protecting groups

  Saidykhan A.;Bowen R.;Gallagher R.;Martin W. (2015) Tetrahedron Letters. 56, 66-68.

• Novel formation of [2M-H](+) species in positive electrospray mass spectra of indoles

  Saidykhan, Amie; Ayrton, Stephen T.; Gallagher, R.T.; Martin, William H.C.; Bowen, Richard D. (2014)

• Novel formation of [2M-H]⁺species in positive electrospray mass spectra of indoles

  Saidykhan A.;Ayrton S.;Gallagher R.;Martin W.;Bowen R. (2014) Rapid Communications In Mass Spectrometry. 28, 1948-1952.

• Mass spectra of halogenostyrylbenzoxazoles

  Ayrton, Stephen T.; Panova, Jekaterina; Michalik, Adam R.; Martin, William H.C.; Gallagher, R.T.; Bowen, Richard D. (2013) International Journal of Mass Spectrometry. 345-347

• Novel nitrogen to carbon rearrangement forming nicotinic acid sulfonamides

  Rushingwa E.;Touray H.;Bowen R.;Gallagher R.;Martin W. (2013) Tetrahedron Letters. 54, 4726-4728.

• Influence of a methyl substituent on the Raman spectrum of but-3-enyl methyl ether

  Bowen R.;Edwards H.;Varnali T. (2012) Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy. 93, 26-32.

• The dissociation chemistry of low-energy N-formylethanolamine ions: Hydrogen-bridged radical cations as key intermediates

  Jobst K.;Bowen R.;Terlouw J. (2011) International Journal of Mass Spectrometry. 306, 9-26.

• A mechanistic study of the prominent loss of H2O from ionized 2-hydroxyaminoethanol

  Jobst K.;Jogee S.;Bowen R.;Terlouw J. (2011) International Journal of Mass Spectrometry. 306, 138-149.

• Raman spectroscopy of n-pentyl methyl ether and deuterium labelledanalogues

  Bowen R.;Edwards H.;Farwell D.;Morgan S. (2010) Journal of Raman Spectroscopy. 41, 1725-1734.

• Raman spectroscopy of unbranched hexenyl methyl ethers containing a terminal methoxy group

  Bowen R.;Edwards H.;Farwell D. (2010) Journal of Molecular Structure. 976, 36-41.

• Evidence of structure-selective fragmentations in the tandem mass spectra of protonated hydroxyalkylamino-1,4- naphthoquinones formed by electrospray ionisation

  Bowen R.;Mahmood T.;Maitland D.;Mercer K.;Gallagher R. (2009) European Journal of Mass Spectrometry. 15, 617-626.

• Elimination of H2from CH3CH=N⁺HCH3: A Synchronous, Concerted 1,4-H2Elimination

  Hudson C.;Bowen R.;McAdoo D. (2008) Journal of the American Society for Mass Spectrometry. 19, 27-32.

• Raman spectroscopy of 3-(pent-1-enyl) methyl ether and selected deuterium-labelled analogues

  Brown H.;Bowen R.;Edwards H.;Farwell D. (2007) Journal of Raman Spectroscopy. 38, 1586-1594.

• FT-Raman spectra of n-propanol and selected partially²H-labelled analogues

  Edwards H.;Farwell D.;Bowen R. (2007) Journal of Molecular Structure. 832, 184-190.

• Differentiation of isomeric allylic alkenyl methyl ethers by Raman spectroscopy

  Clifford P.;Bowen R.;Edwards H.;Farwell D. (2007) Analytica Chimica Acta. 598, 268-279.

• Raman spectroscopic and structural investigation of 1,4-diphenylbuta-1,3-diene and selected monomethyl and dimethyl substituted homologues

  Bowen, Richard D.; Edwards, Howell G.M.; Waller, Zoe A.E. (2006) Analytica Chimica Acta. 580

• Permeation of bioactive constituents from Arnica montana preparations through human skin in-vitro

  Bonner, Michael C.; Bowen, Richard D.; Tekko, I.A.; Williams, Adrian C. (2006) Journal of Pharmacy and Pharmacology. 58

• Differentiation of ionised benzimidazole from its isomeric α-distonic ion by collision-induced dissociation and neutralisation-reionisation mass spectrometry

  Karapanayiotis T.;Bowen R. (2005) European Journal of Mass Spectrometry. 11, 381-387.

• Proximity Effects in the Electron Impact Mass Spectra of 2-Substituted Benzazoles

  Chantler, Thomas; Perrin, Victoria L.; Donkor, Rachel E.; Cawthorne, Richard S.; Bowen, Richard D. (2004)

• Raman Spectroscopic and structural studies of indigo and its four 6,6'-Dihalogeno analogues

  Bowen, Richard D.; Edwards, Howell G.M.; Jorge Villar, Susana E.; Karapanayiotis, Thanassis (2004) The Analyst. 129

• Reactions of Ionised Pryridazine, 2-Aminopyrazine and 2-Aminopyridine and their a-Distonic Isomers.

  Karapanayiotis, Thanassis; Dimopolos-Italiano, G.; Bowen, Richard D.; Terlouw, J.K. (2004)

• Reactions of ionised pyridazine, aminopyrazine and aminopyridine and their isomeric α-distonic ions

  Karapanayiotis T.;Dimopoulos-Italiano G.;Bowen R.;Terlouw J. (2004) International Journal of Mass Spectrometry. 236, 1-9.

• Raman spectroscopic and structural studies of indigo and its four 6,6′-dihalogeno analogues

  Karapanayiotis T.;Villar S.;Bowen R.;Edwards H. (2004) The Analyst. 129, 613-618.

• Reactions of the ionised enol tautomer of acetanilide: Elimination of HNCO via a novel rearrangement

  Heydorn L.;Carter L.;Bowen R.;Terlouw J. (2003) European Journal of Mass Spectrometry. 9, 343-350.

• Reactions of low-energy pentenyl methyl ether radical cations C2H5CH=CHCH2OCH3·⁺, CH2=CHCH(C2H5)OCH3·⁺and CH2=C(C2H5)CH2OCH3·⁺

  Bowen R.;Heydorn L.;Terlouw J. (2002) International Journal of Mass Spectrometry. 217, 109-118.

• Reactions of ionised methyl pent-4-enyl ether, CH2=CH(CH2)3OCH3^·+

  Bowen R.;Mandeville S.;Trikoupis M.;Terlouw J. (2001) International Journal of Mass Spectrometry. 210-211, 447-457.

• Dissociation reactions of low-energy pentenyl methyl ether radical cations C5H9OCH3^•+

  Bowen R.;Trikoupis M.;Terlouw J. (2001) European Journal of Mass Spectrometry. 7, 225-241.

• The chemistry of some low energy C5H9O⁺oxonium ions

  Bowen R.;Heydorn L.;Terlouw J. (2001) International Journal of Mass Spectrometry. 209, 153-169.

• Effect of variations of the size and structure of the principal alkyl group on alkene elimination from the immonium ions CH3CH2CH=N⁺(CH3)R, CH3CH2CH2CH=N⁺(CH3)R and CH3CH2CH2CH2CH=N⁺(CH3)R

  Mandeville S.;Bowen R.;Trikoupis M.;Terlouw J. (2000) International Journal of Mass Spectrometry. 199, 189-200.

• Alkane eliminations from ions in the gas phase

  McAdoo D.;Bowen R. (1999) European Journal of Mass Spectrometry. 5, 389-409.

• The influence of the size and structure of a spectator alkyl group on the relative rates of alkyl radical elimination from ionised tertiary amines

  Mandeville S.;Bowen R.;Trikoupis M.;Terlouw J. (1999) European Journal of Mass Spectrometry. 5, 339-351.

• Water and hydrogen atom elimination from ionised n-propanol: Extraordinarily large kinetic isotope effects

  Bowen R.;Mandeville S.;Trikoupis M.;Terlouw J. (1999) Chemical Communications., 2111-2112.

• Low-energy, low-temperature mass spectra. Part 17: Selected aliphatic amides

  Abebe M.;Maccoll A.;Bowen R. (1997) European Journal of Mass Spectrometry. 3, 197-208.

• Reactions of metastable ionized γ,γ-dialkylallyl methyl ethers: Relative rates for elimination of alkyl radicals by formal γ-cleavage

  Bowen R.;Clifford P.;Francis J.;Terlouw J. (1997) International Journal of Mass Spectrometry and Ion Processes. 165-166, 155-168.

• Raman spectroscopic study of allyl methyl ether (3-methoxy-1-propene), CH2CHCH2OCH3, and some isotopically labelled analogues

  Bowen R.;Edwards H.;Farwell D. (1995) Journal of Molecular Structure. 351, 77-86.

• Mechanism of Propene and Water Elimination from the Oxonium Ion CH 3CH=O⁺ CH2CH2CH3

  Bowen R.;Suh D.;Terlouw J. (1995) Journal of the Chemical Society, Perkin Transactions 2., 119-129.