Fragmentation of certain substituted azadispiro(5.1.5.2)pentadec-9-ene and azadispiro(4.1.4.2)tridec-8-ene derivatives under electron ionization (original) (raw)

Electron ionization mass spectra of aryl- and benzyl-substituted 2,3-dihydroimidazo[1,2-a]pyrimidine-5,7(1H,6H)-diones

Dariusz Matosiuk

Rapid Communications in Mass Spectrometry, 2007

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Fragmentation of 3,7-dialkyl-1,5-diphenyl-3,7-diazabicyclo[3.3.1]nonan-9-ones under electron ionization

Albert Lebedev, Sergey Z Vatsadze, Natalia Tretyakova

Rapid Communications in Mass Spectrometry, 2000

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AM1 and ESI/MS study of the Fragmentation of 4-Acyl Isochroman-1, 3-Diones: Correlation between Electronic charges of Atoms and Fragmentations processes

Lamine Cissé

isca.in

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Mass spectrometric fragmentation of some arylidenecycloalkanones

Daniel Tal

The Journal of Organic Chemistry, 1977

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AM1 and electron impact mass spectrometry study of the fragmentation of 4-acyl isochroman-1,3-diones

Félix KINI

Bulletin of the Chemical Society of Ethiopia, 2012

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Pre-ionization effects in the mass spectrometry of some azoxybenzenes

N. Bunce

Organic Mass Spectrometry, 1988

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Mass spectral fragmentation mechanisms of some dibenzo[ c , f ][1,2] diazepines

Michael Mautner

Journal of Heterocyclic Chemistry, 1970

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Fragmentations of alkane molecular ions

Peder Wolkoff

Journal of the American Chemical Society, 1978

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Stereochemical analysis of deuterated alkyl chains by charge-remote fragmentations of protonated parent ions

Thomas Morton

International Journal of Mass Spectrometry, 2003

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Rearrangements in the fragmentation of the radical cations of azoxybenzene and of isomeric dichloroazoxybenzenes

Cristina Paradisi

1991

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Elimination and rearrangement reactions in the electron impact ionization mass spectrometry of 2,4,5,5-tetrasubstituted 1,2,4-triazolidine-3-thiones

Kalevi Pihlaja

Organic Mass Spectrometry, 1991

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An unprecedented rearrangement in collision-induced mass spectrometric fragmentation of protonated benzylamines

Athula Attygalle

Journal of Mass Spectrometry, 2006

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Studies in organic mass spectrometry. Part 23.a Role of the aroyl group on the competitive fragmentation reactions of the molecular ion of aroylanilides

Salvatore Foti

European Journal of Mass Spectrometry, 1999

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Electron impact mass spectrometry of some 6-substituted tetrazolo[1,5-c]pyrimidin-5(6H)-ones

Krzysztof Ciszewski

Journal of Mass Spectrometry, 1993

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Metastable ion decomposition and collisional activation mass spectra of 1,2,3-triarylpropen-1-ones

Dr Mallikarjuna Reddy Doodipala

Organic Mass Spectrometry, 1991

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Mass spectral fragmentation patterns of some new 3,7-dichloro-benzo[1,2-b:4,5-b′]dithiophene-2,6-dicarboxylic acid dianilides and 3,5-dichloro-dithieno[3,2-b:2′,3′-d]thiophene-2,6-dicarboxylic acid dianilides. II

Grace Karminski-zamola

Rapid Communications in Mass Spectrometry, 1995

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Electron ionization-induced fragmentation ofN-(alkoxymethyl)anilides

Witold Danikiewicz

Journal of Mass Spectrometry, 2003

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Electron impact mass spectrometry of substituted 1,2,4-triazine-3,5(2H,4H)-diobes

Eduardo Romero

Organic Mass Spectrometry, 1990

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Consecutive losses of two benzyl radicals from the [M+Na]+ adduct ions of di- and tri(benzyloxy)benzenes under ESI/CID conditions

Richard Hark

International Journal of Mass Spectrometry, 2014

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Studies in organic mass spectrometry. Part 15 [1]. Electron ionization mass spectra of some 5-nitro-3-thiophenecarboxanilides

Sara Frascari, Antonella Fontana

Journal of Heterocyclic Chemistry, 1992

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New fragmentation pathways in the electron impact mass spectrometry of derivatized pyrano-1,3-diphenylprop-2-enones

Sunil Sharma

Organic Mass Spectrometry, 1993

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Electron impact-induced fragmentation of 2,3-dihydro-1,5-benzothiazepin-4(5H)-ones

Gabriella Pocsfalvi

Organic Mass Spectrometry, 1994

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Gas-phase fragmentation study of a novel series of synthetic 2-oxo-2H-benzopyrano[2,3-d]pyrimidine derivatives using electrospray ionization tandem mass spectroscopy measured with a quadrupole orthogonal time-of-flight hybrid instrument

Joseph Banoub

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Mechanistic investigation of charge-remote and charge-driven fragmentation processes in 2,5-diphenyl-3,4-ethylenedioxythiophene diamidines

Miroslav Bajic

Rapid Communications in Mass Spectrometry, 2016

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Mass spectrometric studies on 4-aryl-1-cyclopropyl-1,2-dihydropyridinyl derivatives: an examination of a novel fragmentation pathway

Philippe Bissel, Iulia M Lazar, Richard Gandour

Journal of Mass Spectrometry, 2006

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Unimolecular fragmentation reactions of protonated and methyl-cationatedn-octanones andN-nonanones. Sequential fragmentation reactions

Swapan Chowdhury

Organic Mass Spectrometry, 1988

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Electron impact and chemical ionization mass spectra of N- alkyl and N,N-dialkylaminosugar derivatives

José Candela

European Journal of Mass Spectrometry, 1995

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Mass-spectrometric differentiation of diexo- and diendo-fused isomers of norbornane/ene-condensed 2-thiouracil and 1,3-thiazino[3,2-a]-pyrimidine derivatives: Stereoselectivity of retro-Diels-Alder fragmentations under EI and CI conditions

Kalevi Pihlaja

Journal of the American Society for Mass Spectrometry, 2001

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The effect of electron-withdrawing groups in the fragmentation of the radical anions of benzyl phenyl ethers

Jose Lluch

2009

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Electron-impact induced fragmentation of spiro-1-pyrazolines

Károly Vékey

Rapid Communications in Mass Spectrometry, 1992

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Fragmentation Route of doubly ionized benzene, aniline, and nitroanilines monomers using a novel protocol from density functional theory and QTAIM

Gunar da Silva Mota

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