List of works - Yunfeng Chai

A mechanistic study of fragmentation of deprotonated N,2-diphenyl-acetamides in electrospray ionization tandem mass spectrometry

scientific article published on 01 August 2014

Benzyl anion transfer in the fragmentation of N-(phenylsulfonyl)-benzeneacetamides: a gas-phase intramolecular S(N)Ar reaction

scientific article published on 26 August 2015

Competitive proton and hydride transfer reactions via ion-neutral complexes: fragmentation of deprotonated benzyl N-phenylcarbamates in mass spectrometry

scientific article published on 01 February 2015

Cα-Cβ and Cα-N bond cleavage in the dissociation of protonated N-benzyllactams: dissociative proton transfer and intramolecular proton-transport catalysis

scientific article published on 28 November 2011

Degradation of the Neonicotinoid Pesticides in the Atmospheric Pressure Ionization Source.

scientific article

Dissociative benzyl cation transfer versus proton transfer: loss of benzene from protonated N-benzylaniline

scientific article published on 31 July 2012

Doubly charged trimeric cluster ions: effective in mutual chiral recognition of tadalafil and three proton pump inhibitors.

scientific article published on 15 February 2017

Formation of [M + 15](+) ions from aromatic aldehydes by use of methanol: in-source aldolization reaction in electrospray ionization mass spectrometry

scientific article published on 01 December 2011

Formation of molecular oxygen- and water-attached fragment ions in the fragmentation of protonated 3-(phenylthio)chromones

scientific article published on 01 January 2020

Gas phase chemistry of Li+ with amides: the observation of LiOH loss in mass spectrometry.

scientific article published on 2 May 2012

Gas phase reaction between chromones and solvent in an electrospray ionization source

scientific article published on 01 January 2019

Gas phase retro-Michael reaction resulting from dissociative protonation: fragmentation of protonated warfarin in mass spectrometry.

scientific article published in August 2012

Gas-phase Smiles rearrangement reactions of deprotonated N-phenylbenzamides studied by electrospray ionization tandem mass spectrometry

scientific article published on 01 May 2015

Gas-phase chemistry of benzyl cations in dissociation of N-benzylammonium and N-benzyliminium ions studied by mass spectrometry

scientific article published on 25 February 2012

Gas-phase intramolecular cyclization of argentinated N-allylbenzamides

scientific article published on 24 February 2015

Gas-phase nucleophilic aromatic substitution between piperazine and halobenzyl cations: reactivity of the methylene arenium form of benzyl cations

scientific article published on 25 August 2011

Gas-phase synthesis and reactivity of Cu(+)-benzyne complexes

scientific article published in October 2014

H2O loss in the fragmentation of deprotonated N-o-tolylamides in tandem mass spectrometry.

scientific article published in September 2013

How does a CC double bond cleave in the gas phase? Fragmentation of protonated ketotifen in mass spectrometry

scientific article published on 3 September 2016

Hydride abstraction in positive-ion electrospray interface: oxidation of 1,4-dihydropyridines in electrospray ionization mass spectrometry

scientific article published on 27 September 2011

Hydride transfer reactions via ion-neutral complex: fragmentation of protonated N-benzylpiperidines and protonated N-benzylpiperazines in mass spectrometry

scientific article published in May 2010

Identification of new interferences leached from plastic microcentrifuge tubes in electrospray ionization mass spectrometry

scientific article published on 01 May 2019

Intramolecular Halogen Transfer via Halonium Ion Intermediates in the Gas Phase.

scientific article published on 17 September 2015

Intramolecular electrophilic aromatic substitution in gas-phase fragmentation of protonated N-benzylbenzaldimines.

scientific article published on 24 June 2014

Kinetic and thermodynamic control of protonation in atmospheric pressure chemical ionization

scientific article

Loss of benzaldehyde in the fragmentation of protonated benzoylamines: Benzoyl cation as a hydride acceptor in the gas phase.

scientific article published on 14 July 2017

N-centered odd-electron ions formation from collision-induced dissociation of electrospray ionization generated even-electron ions: single electron transfer via ion/neutral complex in the fragmentation of protonated N,N'-dibenzylpiperazines and prot

scientific article published on 22 June 2011

Neutral losses of sodium benzoate and benzoic acid in the fragmentation of the [M + Na]+ ions of methoxyfenozide and tebufenozide via intramolecular rearrangement in electrospray ionization tandem mass spectrometry.

scientific article published in February 2017

Occurrence and Residue Pattern of Phthalate Esters in Fresh Tea Leaves and during Tea Manufacturing and Brewing

scientific article published on 26 October 2016

Qualitative and quantitative analysis of enantiomers by mass spectrometry: application of a simple chiral chloride probe via rapid in-situ reaction

scientific article published on 6 December 2013

Residue pattern of polycyclic aromatic hydrocarbons during green tea manufacturing and their transfer rates during tea brewing

scientific article published on 22 May 2017

Tandem mass spectrometric analysis and density functional theory calculations on the fragmentation behavior of two tetradecanoylingenol regioisomers from Euphorbia wallichii

scientific article published in November 2012

The protonation site of para-dimethylaminobenzoic acid using atmospheric pressure ionization methods

scientific article

List of works by Yunfeng Chai

A mechanistic study of fragmentation of deprotonated N,2-diphenyl-acetamides in electrospray ionization tandem mass spectrometry

Benzyl anion transfer in the fragmentation of N-(phenylsulfonyl)-benzeneacetamides: a gas-phase intramolecular S(N)Ar reaction

Competitive proton and hydride transfer reactions via ion-neutral complexes: fragmentation of deprotonated benzyl N-phenylcarbamates in mass spectrometry

Cα-Cβ and Cα-N bond cleavage in the dissociation of protonated N-benzyllactams: dissociative proton transfer and intramolecular proton-transport catalysis

Degradation of the Neonicotinoid Pesticides in the Atmospheric Pressure Ionization Source.

Dissociative benzyl cation transfer versus proton transfer: loss of benzene from protonated N-benzylaniline

Doubly charged trimeric cluster ions: effective in mutual chiral recognition of tadalafil and three proton pump inhibitors.

Formation of [M + 15](+) ions from aromatic aldehydes by use of methanol: in-source aldolization reaction in electrospray ionization mass spectrometry

Formation of molecular oxygen- and water-attached fragment ions in the fragmentation of protonated 3-(phenylthio)chromones

Gas phase chemistry of Li+ with amides: the observation of LiOH loss in mass spectrometry.

Gas phase reaction between chromones and solvent in an electrospray ionization source

Gas phase retro-Michael reaction resulting from dissociative protonation: fragmentation of protonated warfarin in mass spectrometry.

Gas-phase Smiles rearrangement reactions of deprotonated N-phenylbenzamides studied by electrospray ionization tandem mass spectrometry

Gas-phase chemistry of benzyl cations in dissociation of N-benzylammonium and N-benzyliminium ions studied by mass spectrometry

Gas-phase intramolecular cyclization of argentinated N-allylbenzamides

Gas-phase nucleophilic aromatic substitution between piperazine and halobenzyl cations: reactivity of the methylene arenium form of benzyl cations

Gas-phase synthesis and reactivity of Cu(+)-benzyne complexes

H2O loss in the fragmentation of deprotonated N-o-tolylamides in tandem mass spectrometry.

How does a CC double bond cleave in the gas phase? Fragmentation of protonated ketotifen in mass spectrometry

Hydride abstraction in positive-ion electrospray interface: oxidation of 1,4-dihydropyridines in electrospray ionization mass spectrometry

Hydride transfer reactions via ion-neutral complex: fragmentation of protonated N-benzylpiperidines and protonated N-benzylpiperazines in mass spectrometry

Identification of new interferences leached from plastic microcentrifuge tubes in electrospray ionization mass spectrometry

Intramolecular Halogen Transfer via Halonium Ion Intermediates in the Gas Phase.

Intramolecular electrophilic aromatic substitution in gas-phase fragmentation of protonated N-benzylbenzaldimines.

Kinetic and thermodynamic control of protonation in atmospheric pressure chemical ionization

Loss of benzaldehyde in the fragmentation of protonated benzoylamines: Benzoyl cation as a hydride acceptor in the gas phase.

N-centered odd-electron ions formation from collision-induced dissociation of electrospray ionization generated even-electron ions: single electron transfer via ion/neutral complex in the fragmentation of protonated N,N'-dibenzylpiperazines and prot

Neutral losses of sodium benzoate and benzoic acid in the fragmentation of the [M + Na]+ ions of methoxyfenozide and tebufenozide via intramolecular rearrangement in electrospray ionization tandem mass spectrometry.

Occurrence and Residue Pattern of Phthalate Esters in Fresh Tea Leaves and during Tea Manufacturing and Brewing

Qualitative and quantitative analysis of enantiomers by mass spectrometry: application of a simple chiral chloride probe via rapid in-situ reaction

Residue pattern of polycyclic aromatic hydrocarbons during green tea manufacturing and their transfer rates during tea brewing

Tandem mass spectrometric analysis and density functional theory calculations on the fragmentation behavior of two tetradecanoylingenol regioisomers from Euphorbia wallichii

The protonation site of para-dimethylaminobenzoic acid using atmospheric pressure ionization methods