Gas Chromatography Electron Ionization Mass Spectral Analysis of Thio Analogues of Pyrimidine Bases: 5-Bromo-2, 4-di-o-(m- and p-) chloro- (bromo-)benzylthiouracils and 6-methyluracils. (17th January 2012)

• Record Type: Journal Article
• Authors: Bartkowiak Bartkowiak, G. G.; Wyrzykiewicz Wyrzykiewicz, E. E.; Schroeder Schroeder, G. G.
• Other Names: Riesen Riesen Hans Hans Academic Editor.
• Is Part Of: International journal of spectroscopy. Volume 2012(2012)
• Publication Date: 2012-01-17
• Subjects: Spectrum analysis -- Periodicals; Spectrum Analysis; Spectrum analysis; Periodicals; Periodicals; 543.5
• DOI: 10.1155/2012/847676
• Languages: English
• ISSNs: 1687-9449

Abstract

Abstract : Electron ionization (EI) mass spectral fragmentation routes of twelve 5-bromo-2, 4-di- o -( m - and p -) chloro- (bromo-)benzyl-thiouracils and 6-methyluracils are investigated. The compounds studied are analyzed using gas chromatography/mass spectrometry (GC/MS). Fragmentation pathways, whose elucidation is assisted by accurate mass measurements and metastable transitions, are discussed. Correlation between the abundances of the selected fragment ions of the compounds investigated is discussed. The data obtained make grounds for distinction of structural isomers.