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Electron Impact Ionization‐induced Fragmentation of Uracil‐fused Tetrathiafulvalenes
Author(s) -
Garín Javier,
Orduna Jesús,
Neilands Ojärs,
Tilika Vija
Publication year - 1996
Publication title -
rapid communications in mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.528
H-Index - 136
eISSN - 1097-0231
pISSN - 0951-4198
DOI - 10.1002/(sici)1097-0231(19960115)10:1<16::aid-rcm427>3.0.co;2-q
Subject(s) - chemistry , fragmentation (computing) , uracil , electron ionization , tetrathiafulvalene , metastability , mass spectrum , ionization , ion , moiety , collision induced dissociation , dissociation (chemistry) , ionization energy , photochemistry , alkyl , mass spectrometry , stereochemistry , molecule , organic chemistry , tandem mass spectrometry , dna , biochemistry , chromatography , computer science , operating system
The 70 eV electron ionization mass spectra of uracil‐fused tetrathiafulvalenes have been studied by accurate mass measurement, metastable ion analysis and collision‐induced dissociation. Changes in the structure of substituents, both in the tetrathiafulvalene moiety and on the N1 atom of uracil, cause important differences in the fragmentation scheme. The position of alkyl substituents in the uracil ring is unambiguously confirmed.