About: Ionization and fragmentation of monochloro-isomers of 3-hydroxy-2-phenyl-4(1H)-quinolinone

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About: Ionization and fragmentation of monochloro-isomers of 3-hydroxy-2-phenyl-4(1H)-quinolinone Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Electron ionization (EI), methane chemical ionization (CI), and collision-induced dissociation (CID) mass spectra of complete series of positional monochloro-isomers of 3-hydroxy-2-phenyl-4(1H)-quinolinone are evaluated and discussed. It is shown that in the CI experiments, in addition to the protonated precursor molecules, odd-electron molecular ions are formed and this affects the appearance of the CID spectra. The influence of different direct probes and other experimental parameters such as the pressure of the reagent gas, isolation width, or collision energy was studied. El, Cl and CID spectra of the positional isomers show essentially the same fragmentation pathways but comparisons of the relative signal intensities of various product ions reveal some positional effects. Different isomers are also distinguished. The compounds call be divided into two groups using diagnostic ions (chloro substitution of the quinolinone moiety or the phenyl ring) or identified using a created spectral database. It Electron ionization (EI), methane chemical ionization (CI), and collision-induced dissociation (CID) mass spectra of complete series of positional monochloro-isomers of 3-hydroxy-2-phenyl-4(1H)-quinolinone are evaluated and discussed. It is shown that in the CI experiments, in addition to the protonated precursor molecules, odd-electron molecular ions are formed and this affects the appearance of the CID spectra. The influence of different direct probes and other experimental parameters such as the pressure of the reagent gas, isolation width, or collision energy was studied. El, Cl and CID spectra of the positional isomers show essentially the same fragmentation pathways but comparisons of the relative signal intensities of various product ions reveal some positional effects. Different isomers are also distinguished. The compounds call be divided into two groups using diagnostic ions (chloro substitution of the quinolinone moiety or the phenyl ring) or identified using a created spectral database. It (en)
Title	Ionization and fragmentation of monochloro-isomers of 3-hydroxy-2-phenyl-4(1H)-quinolinone Ionization and fragmentation of monochloro-isomers of 3-hydroxy-2-phenyl-4(1H)-quinolinone (en)
skos:prefLabel	Ionization and fragmentation of monochloro-isomers of 3-hydroxy-2-phenyl-4(1H)-quinolinone Ionization and fragmentation of monochloro-isomers of 3-hydroxy-2-phenyl-4(1H)-quinolinone (en)
skos:notation	RIV/61989592:15310/08:00005799!RIV10-MSM-15310___
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(KJB400550704), P(LC07017), S, Z(AV0Z50200510), Z(MSM0021620857), Z(MSM6198959216)
http://linked.open...iv/cisloPeriodika	18
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Lemr, Karel Hradil, Pavel Grepl, Martin
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Palackého v Olomouci / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	373285
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/08:00005799
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ELECTRON-IMPACT; MASS-SPECTRA; X-RAY; DERIVATIVES; DENSITY (en)
http://linked.open.../riv/klicoveSlovo	DENSITY DERIVATIVES X-RAY ELECTRON-IMPACT MASS-SPECTRA
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[59AE6E08FD8E]
http://linked.open...i/riv/nazevZdroje	Rapid Communications in Mass Spectrometry
http://linked.open...in/vavai/riv/obor	CB
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Oncoproteomics Centre Intrinsic properties of redox-active molecules
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	22
http://linked.open...iv/tvurceVysledku	Lemr, Karel Grepl, Martin Hradil, Pavel Roithová, Jana
http://linked.open...n/vavai/riv/zamer	Microorganisms in Research and Biotechnology Nové molekulární systémy pro pokročilé aplikace prospěšné pro zdraví a šetrné k životnímu prostředí Modulation of signalling and regulatory pathways in normal and cancer cells
issn	0951-4198
number of pages	10 (xsd:int)
http://localhost/t...ganizacniJednotka	15310

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