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List of works by Richard A. O'Hair

A mass spectrometric and molecular orbital study of H2O loss from protonated tryptophan and oxidized tryptophan derivatives.

scientific article published in January 2004

A one-pot route to thioamides discovered by gas-phase studies: palladium-mediated CO2 extrusion followed by insertion of isothiocyanates.

scientific article

Activation of the C–I and C–OH bonds of 2-iodoethanol by gas phase silver cluster cations yields subvalent silver-iodide and -hydroxide cluster cations

scientific article published on 17 May 2007

An unusual co-crystal [(μ2-dcpm)Ag2(μ2-O2CH)(η2-NO3)]2·[(μ2-dcpm)2Ag4(μ2-NO3)4] and its connection to the selective decarboxylation of formic acid in the gas phase.

scientific article published on 24 November 2016

Argentate(i) and (iii) complexes as intermediates in silver-mediated cross-coupling reactions

scientific article published on 01 May 2018

C-C bond coupling between the organometallic cations CH3Ag2+, CH3Cu2+ and CH3AgCu+ and allyliodide.

scientific article

C-F bond activation of trifluoroethanol and trifluoroacetic acid catalysed by the dimolybdate anion, [Mo2O6(F)]- †.

scientific article

Can radical cations of the constituents of nucleic acids be formed in the gas phase using ternary transition metal complexes?

scientific article published in January 2005

Cluster transformation of [Cu3(μ3-H)(μ3-BH4)((PPh2)2NH)3](BF4) to [Cu3(μ3-H)(μ2,μ1-S2CH)((PPh2)2NH)3](BF4) via reaction with CS2. X-ray structural characterisation and reactivity of cationic clusters explored by multistage mass spectrometry and comp

scientific article published on 20 October 2017

Comparison of collision- versus electron-induced dissociation of Pt(II) ternary complexes of histidine- and methionine-containing peptides.

scientific article published in October 2009

Comparison of collision- versus electron-induced dissociation of sodium chloride cluster cations

scientific article published on 01 January 2009

Comparison of collision-induced dissociation and electron-induced dissociation of singly protonated aromatic amino acids, cystine and related simple peptides using a hybrid linear ion trap-FT-ICR mass spectrometer.

scientific article

Copper mediated decyano decarboxylative coupling of cyanoacetate ligands: Pesci versus Lewis acid mechanism

scientific article published on 01 May 2015

Decarboxylative-Coupling of Allyl Acetate Catalyzed by Group 10 Organometallics, [(phen)M(CH3)]+

article

Decomposition of nitroimidazole ions: experiment and theory

scientific article published on 01 May 2015

Decomposition of protonated ronidazole studied by low-energy and high-energy collision-induced dissociation and density functional theory

scientific article published on 01 October 2019

Dimethyl cuprate undergoes C-C bond coupling with methyliodide in the gas phase but dimethyl argenate does not

scientific article published on 01 August 2004

Dimethylargenate is a stable species in the gas phase.

scientific article

Dimethylcuprate undergoes a dyotropic rearrangement.

scientific article published in March 2010

Direct approach to identification, at the molecular level, of modified proteins in human nuclear cataractous lenses: beta-crystallin is a component of the urea-insoluble protein fraction

scientific article published on 01 January 1992

Dissecting the insect metabolic machinery using twin ion mass spectrometry: a single P450 enzyme metabolizing the insecticide imidacloprid in vivo.

scientific article published on 11 March 2014

Electron capture dissociation of complexes of diacylglycerophosphocholine and divalent metal ions: competition between charge reduction and radical induced phospholipid fragmentation.

scientific article published on 26 March 2008

Electron-induced dissociation of doubly protonated betaine clusters: controlling fragmentation chemistry through electron energy.

scientific article published in October 2009

Electron-transfer reagent anion formation via electrospray ionization and collision-induced dissociation

scientific article

Endocyclic versus exocyclic mechanisms for methyl migration in protonated N,N'-dimethylpropane-1,3-diamine.

scientific article published in January 2009

Environmental Polymer Degradation: Using the Distonic Radical Ion Approach to Study the Gas-Phase Reactions of Model Polyester Radicals.

scientific article published on 23 June 2017

Experimental and DFT Studies on the Identity Exchange Reactions between Phenyl Chalcogen Iranium Ions and Alkenes

scientific article published on 12 September 2019

Experimental determination of the gas phase proton affinities of the conjugate base anions of 2-iodoxybenzoic acid (IBX) and 2-iodosobenzoic acid (IBA)

scientific article published on 19 May 2008

Fixed-charge phosphine ligands to explore gas-phase coinage metal-mediated decarboxylation reactions.

scientific article published in May 2013

Focus in honor of Béla Paizs, recipient of the 2011 Biemann Medal

scientific article published on 01 April 2012

Formation and reactions of the 1, 8-naphthyridine (napy) ligated geminally dimetallated phenyl complexes [(napy)Cu2(Ph)]+, [(napy)Ag2(Ph)]+ and [(napy)CuAg(Ph)]

scientific article published on 01 February 2019

Formation of cationic peptide radicals by gas-phase redox reactions with trivalent chromium, manganese, iron, and cobalt complexes.

scientific article

Fragmentation of the tryptophan cluster [Trp9-2H]2- induced by different activation methods.

scientific article published on November 2010

Gas phase fragmentation of protonated betaine and its clusters.

scientific article published on 27 July 2009

Gas phase oxidation of alkoxo ligands in bis(peroxo)[MO(O2)2(OR)]- and trisoxo [MO3(OR)]- anions (M = Cr, Mo, W).

scientific article published in November 2004

Gas phase synthesis, structure and unimolecular reactivity of silver iodide cluster cations, Ag(n)I(m)(+) (n = 2-5, 0 < m < n).

scientific article published on 28 April 2008

Gas-Phase Formation of the Gomberg-Bachmann Magnesium Ketyl

scientific article published on 01 January 2008

Gas-Phase Intercluster Thiyl-Radical Induced C-H Bond Homolysis Selectively Forms Sugar C2-Radical Cations of Methyl D-Glucopyranoside: Isotopic Labeling Studies and Cleavage Reactions

scientific article published on 4 May 2017

Gas-Phase Ion-Molecule Reactions of Copper Hydride Anions [CuH2]- and [Cu2H3].

scientific article published on 10 February 2017

Gas-Phase Synthesis and Reactivity of Ligated Group 10 Ions in the Formal +1 Oxidation State

scientific article published on 10 June 2019

Gas-Phase and Computational Study of Identical Nickel- and Palladium-Mediated Organic Transformations Where Mechanisms Proceeding via M(II) or M(IV) Oxidation States Are Determined by Ancillary Ligands

scientific article published on 15 October 2015

Gas-phase VUV photoionisation and photofragmentation of the silver deuteride nanocluster [Ag10D8L6]2+ (L = bis(diphenylphosphino)methane). A joint experimental and theoretical study

scientific article published on 01 October 2015

Gas-phase fragmentation of deprotonated tryptophan and its clusters [Trpn -H]- induced by different activation methods

scientific article published on 01 August 2015

Gas-phase fragmentation of polyoxotungstate anions

scientific article published on 01 January 2009

Gas-phase functionalized carbon-carbon coupling reactions catalyzed by Ni (II) complexes

scientific article published on 01 June 2019

Gas-phase infrared spectrum and acidity of the radical cation of 9-methylguanine.

scientific article

Gas-phase ion-molecule reactions using regioselectively generated radical cations to model oxidative damage and probe radical sites in peptides ⬇️

scientific article published on March 31, 2011

Gas-phase ligand loss and ligand substitution reactions of platinum(II) complexes of tridentate nitrogen donor ligands

scientific article published on 01 January 2004

Gas-phase peptide fragmentation: how understanding the fundamentals provides a springboard to developing new chemistry and novel proteomic tools.

scientific article published in October 2008

Gas-phase reactions of [VO2(OH)2]- and [V2O5(OH)]- with methanol: experiment and theory.

scientific article published on 13 August 2012

Gas-phase reactions of protonated tryptophan.

scientific article published in January 2004

Gas-phase reactions of the rhenium oxide anions, [ReOx]- (x = 2 - 4) with the neutral organic substrates methane, ethene, methanol and acetic acid.

scientific article published in January 2015

Gas-phase reactivity of group 11 dimethylmetallates with allyl iodide

scientific article published on 26 January 2012

Gas-phase reactivity of metavanadate [VO3]- towards methanol and ethanol: experiment and theory

scientific article published on 01 January 2007

Gas-phase regiocontrolled generation of charged amino acid and peptide radicals

scientific article published on 29 August 2006

Gas-phase structure and reactivity of the keto tautomer of the deoxyguanosine radical cation

scientific article published on 01 October 2015

Gas-phase studies of copper(I)-mediated CO2 extrusion followed by insertion of the heterocumulenes CS2 or phenylisocyanate

scientific article published on 26 May 2020

Gas-phase synthesis and reactivity of binuclear gold hydride cations, (R3PAu)2H+ (R = Me and Ph).

scientific article published on 2 June 2006

Halide-ion-templated Ag8Cu6 rhombic dodecahedrons: synthesis, structure and reactivity of [Ag8Cu6(CCtBu)12X]BF4 (X = Cl, Br)

scientific article published on 01 April 2013

High-resolution twin-ion metabolite extraction (HiTIME) mass spectrometry: nontargeted detection of unknown drug metabolites by isotope labeling, liquid chromatography mass spectrometry, and automated high-performance computing.

scientific article published on 8 April 2015

Identification of the Side Products That Diminish the Yields of the Monoamidated Product in Metal-Catalyzed C-H Amidation of 2-Phenylpyridine with Arylisocyanates

scientific article published on 23 January 2020

Intercluster Reactions Show That (CH3)2S+CH2CO2H is a Better Methyl Cation Donor Than (CH3)3N+CH2CO2H

scientific article published on 01 January 2011

Is there "self plagiarism" and "salami" publishing in JASMS?

scientific article published in July 2013

LC–MS and GC–MS metabolite profiling of nickel(II) complexes in the latex of the nickel-hyperaccumulating tree Sebertia acuminata and identification of methylated aldaric acid as a new nickel(II) ligand

scientific article published on 04 September 2007

Leishmania beta-1,2-mannan is assembled on a mannose-cyclic phosphate primer.

scholarly article

Letter: Silver mediated ester bond formation in the gas phase: substrate structure is important.

scientific article

Letter: intercluster chemistry of protonated and sodiated betaine dimers upon collision induced dissociation and electron induced dissociation.

scientific article published in January 2008

Ligand-induced decarbonylation in diphosphine-ligated palladium acetates [CH3CO2Pd((PR2)2CH2)]+ (R = Me and Ph).

scientific article published on 11 December 2017

Mass spectrometric and computational studies on the reaction of aromatic peroxyl radicals with phenylacetylene using the distonic radical ion approach.

scientific article published on 23 April 2014

Mobile proton triggered radical fragmentation of nitroarginine containing peptides

scientific article published on 17 January 2014

Modular molecules: site-selective metal substitution, photoreduction, and chirality in polyoxometalate hybrids.

scientific article

Molecular salt effects in the gas phase: tuning the kinetic basicity of [HCCLiCl]⁻ and [HCCMgCl₂]⁻ by LiCl and MgCl₂.

scientific article published on 30 July 2014

Multiple P450s and Variation in Neuronal Genes Underpins the Response to the Insecticide Imidacloprid in a Population of Drosophila melanogaster.

scientific article published on 12 September 2017

Multiply protonated betaine clusters are stable in the gas phase.

scientific article

Neighboring group stabilization by sigma-holes

scientific article published on 15 August 2009

Neighbouring group processes in the deamination of protonated phenylalanine derivatives.

scientific article

Nitrogen adduction by three coordinate group 10 organometallic cations: platinum is favoured over nickel and palladium

scientific article published on 01 July 2011

Non-Aqueous Microwave-Assisted Syntheses of Deca- and Hexa-Molybdovanadates.

scientific article published on 16 January 2017

Partitioning the roles of CYP6G1 and gut microbes in the metabolism of the insecticide imidacloprid in Drosophila melanogaster.

scientific article published on 12 September 2017

Peptide derivatization as a strategy to form fixed-charge peptide radicals

scientific article published on 01 January 2006

Photoelectron Spectra and Electronic Structures of the Radiosensitizer Nimorazole and Related Compounds

scientific article published on 7 September 2015

Post‐translational modification in the gas phase: mechanism of cysteine S‐nitrosylation via ion‐molecule reactions ⬇️

scientific article published on November 15, 2011

Preference for bridging versus terminal ligands in magnesium dimers.

scientific article published on 7 September 2010

Radical Formation in the Gas-Phase Ozonolysis of Deprotonated Cysteine

scientific article published on 3 September 2015

Reaction of Aromatic Peroxyl Radicals with Alkynes: A Mass Spectrometric and Computational Study Using the Distonic Radical Ion Approach

article

Reactions of Thiiranium and Sulfonium Ions with Alkenes in the Gas Phase

scientific article published on 02 August 2019

Recombinant expression and characterization of Lucilia cuprina CYP6G3: Activity and binding properties toward multiple pesticides.

scientific article

Regioselectivity of aryl radical attack onto isocyanates and isothiocyanates

scientific article published on 01 November 2018

Relationships of nicotianamine and other amino acids with nickel, zinc and iron in Thlaspi hyperaccumulators.

scientific article published on 26 September 2007

Role of 2-oxo and 2-thioxo modifications on the proton affinity of histidine and fragmentation reactions of protonated histidine.

scientific article published on September 2010

Role of Hydrogen Bonding on the Reactivity of Thiyl Radicals: A Mass Spectrometric and Computational Study Using the Distonic Radical Ion Approach.

scientific article published on 11 October 2016

Role of Ligand in the Selective Production of Hydrogen from Formic Acid Catalysed by the Mononuclear Cationic Zinc Complexes [(L)Zn(H)]+ (L=tpy, phen, and bpy)

scientific article published on 03 July 2019

S-to-αC Radical Migration in the Radical Cations of Gly-Cys and Cys-Gly ⬇️

scientific article published on February 28, 2012

Selective identification and quantitative analysis of methionine containing peptides by charge derivatization and tandem mass spectrometry.

scientific article published in July 2005

Seleniranium Ions Undergo π-Ligand Exchange via an Associative Mechanism in the Gas Phase.

scientific article

Shapeshifting: Ligation by 1,4-cyclohexadiene induces a structural change in Ag5+ ⬇️

scientific article published on January 30, 2012

Single-Photon, Double Photodetachment of Nickel Phthalocyanine Tetrasulfonic Acid 4- Anions.

scientific article published on 21 June 2016

Sixty Years after Wittig: Gas-Phase Synthesis of Lithium Trimethylammonium Methylide, [(CH3)3NCH2Li]+

scientific article published on 01 January 2007

Structural and photochemical properties of organosilver reactive intermediates MeAg2(+) and PhAg2(+).

scientific article

Structural characterization and gas-phase studies of the [Ag10H8(L)6]2+ nanocluster dication

scientific article published on 25 November 2019

Structure and reactivity of homocysteine radical cation in the gas phase studied by ion-molecule reactions and infrared multiple photon dissociation

scientific article published on 05 September 2012

Structure and reactivity of the N-acetyl-cysteine radical cation and anion: does radical migration occur?

scientific article published on 16 July 2011

Structure and reactivity of the cysteine methyl ester radical cation

scientific article published on 19 November 2010

Structure of olefin-imidacloprid and gas-phase fragmentation chemistry of its protonated form.

scientific article published on 4 January 2016

Substituent effects in the decarboxylation reactions of coordinated arylcarboxylates in dinuclear copper complexes, [(napy)Cu2(O2CC6H4X)]+ †.

scientific article published on 4 September 2017

Synthesis and Spectroscopic Characterization of Diphenylargentate, [(C6H5)2Ag]−

scientific article published on 23 April 2012

Synthesis and X-Ray Crystallographic Characterisation of Frustum-Shaped Ligated [Cu18 H16 (DPPE)6 ]2+ and [Cu16 H14 (DPPA)6 ]2+ Nanoclusters and Studies on Their H2 Evolution Reactions.

scientific article published on 16 January 2018

Synthesis, Structural Characterization, and Gas-Phase Unimolecular Reactivity of Bis(diphenylphosphino)amino Copper Hydride Nanoclusters [Cu3(X)(μ3-H)((PPh2)2NH)3](BF4), Where X = μ2-Cl and μ3-BH4

scientific article published on 19 September 2016

Synthesis, Structural Characterization, and Gas-Phase Unimolecular Reactivity of the Silver Hydride Nanocluster [Ag3((PPh2)2CH2)3(μ3-H)](BF4)2

scientific article published on 03 July 2014

Synthesis, structure and gas-phase reactivity of the mixed silver hydride borohydride nanocluster [Ag3(μ3-H)(μ3-BH4)L(Ph)3]BF4 (L(Ph) = bis(diphenylphosphino)methane)

scientific article published on 01 November 2015

Synthesis, structure, and condensed-phase reactivity of [Ag(μ-H)(μ-BH)L](BF) (L = bis(diphenylphosphino)amine) with CS

scientific article published on 01 October 2018

The Effective Temperature of Ions Stored in a Linear Quadrupole Ion Trap Mass Spectrometer ⬇️

scientific article published on April 20, 2013

The major product ion of S-adenosyl-L-methionine arises from a neighbouring group reaction.

scientific article published in May 2010

The role of nucleophile--electrophile interactions in the unimolecular and bimolecular gas-phase ion chemistry of peptides and related systems

scientific article published on 01 December 2000

The role of peroxyl radicals in polyester degradation--a mass spectrometric product and kinetic study using the distonic radical ion approach

scientific article published on 11 March 2015

The search for stable gas phase b(1) ions derived from aliphatic amino acids: a combined experimental and ab initio study

scientific article published on 01 January 2000

Theoretical approaches to estimating homolytic bond dissociation energies of organocopper and organosilver compounds

scientific article published on 27 August 2012

Two Spin-State Reactivity in the Activation and Cleavage of CO2 by [ReO2](.).

scientific article published on 11 May 2016

UV photodissociation action spectroscopy of haloanilinium ions in a linear quadrupole ion trap mass spectrometer.

scientific article

Unimolecular Chemistry of Doubly Protonated Zwitterionic Clusters

scientific article published on 07 April 2011

Unimolecular reactivity of organotrifluoroborate anions, RBF3- , and their alkali metal cluster ions, M(RBF3 )2- (M = Na, K; R = CH3 , CH3 CH2 , CH3 (CH2 )3 , CH3 (CH2 )5 , c-C3 H5 , C6 H5 , C6 H5 CH2 , CH2 CHCH2 , CH2 CH, C6 H5 CO)

scientific article published on 27 May 2018

Unleashing radical sites in non-covalent complexes: the case of the protonated S-nitrosocysteine/18-crown-6 complex.

scientific article published in December 2013

Unraveling organocuprate complexity: fundamental insights into intrinsic group transfer selectivity in alkylation reactions.

scientific article published on 14 January 2014

Using distonic radical ions to probe the chemistry of key combustion intermediates: the case of the benzoxyl radical anion.

scientific article published on 20 March 2013

Using electrospray ionization-tandem mass spectrometry to explore formation and gas-phase chemistry of silver nanoclusters generated from the reaction of silver salts with NaBH4 in the presence of bis(diphenylarsino)methane

scientific article published on 12 June 2020

Using high-resolution Twin-Ion Metabolite Extraction (HiTIME) mass spectrometry with stable isotope labelling to investigate the metabolism of valproic acid in vivo

scientific article published in October 2019

Watson-Crick Base Pair Radical Cation as a Model for Oxidative Damage in DNA.

scientific article published on 19 June 2017

What Are the Potential Sites of Protein Arylation by N-Acetyl-p-benzoquinone Imine (NAPQI)?

scientific article published on 2 November 2015

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