original ) (raw )Electron ionization mass spectra of 3,4-disubstituted-1,2,4-oxa(thia)diazole-5(4H)-thione(ones). Substituent effects on the mass spectrometric rearrangement of 3-aryl-4-(p-tolyl)-1,2,4-oxadiazole-5(4H)-thiones to the corresponding oxo compounds
hikmet agirbas
Journal of Mass Spectrometry, 2001
View PDFchevron_right
Mass-spectrometric study of the products of intramolecular cyclization of 1,3-amido alcohols. 5-6-Dihydro-4H-1,3-oxazines and 2-oxazolines
Andrei Guzaev
Chemistry of Heterocyclic Compounds, 1988
View PDFchevron_right
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
View PDFchevron_right
Electron impact and chemical ionization mass spectra of norbornane/ene di-exo and di-endo-fused 1,3-oxazin-2(1H)-ones and 1,3-oxazine-2(1H)-thiones
Kalevi Pihlaja
Organic Mass Spectrometry, 1990
View PDFchevron_right
Mass spectral fragmentation mechanisms of some dibenzo[ c , f ][1,2] diazepines
Michael Mautner
Journal of Heterocyclic Chemistry, 1970
View PDFchevron_right
Mass-spectrometric study of 5,6-dihydro-4H-1,3-oxazin-5-ones
Albert Lebedev
Chemistry of Heterocyclic Compounds
View PDFchevron_right
Electron impact mass spectrometry of substituted 1,2,4-triazine-3,5(2H,4H)-diobes
Eduardo Romero
Organic Mass Spectrometry, 1990
View PDFchevron_right
Pre-ionization effects in the mass spectrometry of some azoxybenzenes
N. Bunce
Organic Mass Spectrometry, 1988
View PDFchevron_right
Mass-spectrometric study of the cyclization of diazo ketones. 4. Cyclization of N'-phenyl-3-ureido- and N'-phenyl-3-thioureido-1-diazoalkan-2-ones. 2-Anilino-5,6-dihydro-4H-1,3-thiazin-5-ones
Albert Lebedev
Chemistry of Heterocyclic Compounds, 1983
View PDFchevron_right
Comparative electron impact mass spectra of new 5-benzylidene-4,5-dihydro-(2H)-pyridazin-3-ones and 4-benzylidene-4,5-dihydrooxazin-6-ones
J. Taoufik
Organic Mass Spectrometry, 1991
View PDFchevron_right
Electron impact-induced fragmentation of 2,3-dihydro-1,5-benzothiazepin-4(5H)-ones
Gabriella Pocsfalvi
Organic Mass Spectrometry, 1994
View PDFchevron_right
A study of some imidazo[l,5-a]benzodiazepin-6-ones by electron impact mass spectrometry. characterization by tandem mass spectrometry of a distonic fragment ion
Federico Rubino
Organic Mass Spectrometry, 1991
View PDFchevron_right
Electron ionization induced fragmentation of some oxadiazole and thiadiazole derivatives
hikmet agirbas
Rapid Communications in Mass Spectrometry, 2004
View PDFchevron_right
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
View PDFchevron_right
Mass spectra of diazocompounds
Salvatore Pignataro
Il Nuovo Cimento, 1963
View PDFchevron_right
Mass spectra of some 2-amino-4H-3,1-benzothiazine and 2-Amino-4H-pyrido[4,3-d][1,3]thiazine Derivatives
Tamás Lóránd
Organic Mass Spectrometry, 1989
View PDFchevron_right
Utilisation of electrospray time-of-flight mass spectrometry for solving complex fragmentation patterns: application to benzoxazinone derivatives
Thomas Knepper
Journal of Mass Spectrometry, 2003
View PDFchevron_right
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
Kunnath Madhusudanan
Organic Mass Spectrometry, 1989
View PDFchevron_right
Synthesis and mass spectrometric fragmentation pattern of 6-(4-chlorophenyl)-N-aryl-4-(trichloromethyl)-4H-1,3,5-oxadiazin-2-amines
Pavlo Zadorozhnii
Heterocyclic Communications
View PDFchevron_right
A mass spectrometric investigation on some 3‐[2‐(Nitroxy) alkyl]‐2H‐1, 3‐benzoxazin‐4‐(3H)‐one derivatives
Donata Favretto
View PDFchevron_right
Spectroscopic states and dissociation of negative molecular ions. Communication 3. An investigation of 1,2-dihydro-3h-1,4-benzodiazepin-2-ones
N. Asfandiarov , O. Khvostenko
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science, 1987
View PDFchevron_right
Electron impact mass spectrometry of some amino derivatives of 1,4-benzodiazepines
elisabetta rossi
Biological Mass Spectrometry, 1984
View PDFchevron_right
Electron ionization and methane chemical ionization mass spectrometry study of some 2,2-disubstituted 1,3-dioxolanes, 1,3-dithiolanes, 1,3-oxathiolanes and 1,3-dioxanes. Gas-phase lactone and thiolactone formation
Jaana Pakarinen
Journal of Mass Spectrometry, 2005
View PDFchevron_right
Mass spectra of aryl substituted oxazolidones
Robert Auerbach
Organic Mass Spectrometry, 1970
View PDFchevron_right
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
View PDFchevron_right
An unprecedented rearrangement in collision-induced mass spectrometric fragmentation of protonated benzylamines
Athula Attygalle
Journal of Mass Spectrometry, 2006
View PDFchevron_right
Electron and chemical ionization mass spectrometry in stereochemical differentiation of some 1,3-amino alcohols
Kalevi Pihlaja
Organic Mass Spectrometry, 1994
View PDFchevron_right
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
View PDFchevron_right
Observation of diazonium ion - crown ether molecular complexes in the gas phase by field desorption and fast atom bombardment mass spectrometry
Robert Lattimer
The Journal of Organic Chemistry, 1989
View PDFchevron_right
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
View PDFchevron_right
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
View PDFchevron_right
Mass spectra of a series of 3-halo-2-oxazolidinones
Worley Worley
Organic Mass Spectrometry, 1977
View PDFchevron_right
Electron impact mass spectrometry of some 6-substituted tetrazolo[1,5-c]pyrimidin-5(6H)-ones
Krzysztof Ciszewski
Journal of Mass Spectrometry, 1993
View PDFchevron_right
Positive and negative ion mass spectra of Aryl-ONN-azoxy compounds containing electron withdrawing groups
Alberto Gasco
Organic Mass Spectrometry, 1979
View PDFchevron_right
Electron impact fragmentation of isomeric 2-diazo-2-cyanoacetamides and 4-cyano-5-hydroxy-l,2,3-triazoles
Albert Lebedev
Organic Mass Spectrometry, 1988
View PDFchevron_right