Letter: Electron-impact mass spectrometry in analysis of isomeric alkoxycarbonylalkylthiouracils—a correlation of M+• intensities and selected fragment ions

Eur. J. Mass Spectrom. 6, 331–334 (2000)
DOI: 10.1255/ejms.347

Letter: Electron-impact mass spectrometry in analysis of isomeric alkoxycarbonylalkylthiouracils—a correlation of M^+• intensities and selected fragment ions

Jadwiga Wybieralska
Department of Mass Spectrometry of Organic Compounds, Faculty of Chemistry, Adam Mickiewicz University, Grunwaldzka 6, Poznan, Poland

ABSTRACT:

The correlation between the intensities of M^+• and the selected fragment ions on basis the mass spectral fragmentation of thirty-two 2- and 4-alkoxycarbonylalkylthiouracils were discussed. The data obtained create the basis for distinguishing isomers.

Keywords: 2- and 4- alkoxycarbonylalkylthiouracils, mass fragmentation, relative intensity, isomers

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