Electrospray ionization mass spectra of derivatives of 2-phenylthio-N-trifluoroacetylneuraminic acid
T12N1
Electrospray ionization mass spectra of derivatives
of 2-phenylthio-N-trifluoroacetylneuraminic acid
A.O. Chizhov, N.M. Podvalnyy, A.I. Zinin, N.N. Malysheva, L.O. Kononov
Regularities in fragmentation of adduct ions [M+NH4]+ and [M+Na]+ of N-trifluoroacetyl neuraminic acid phenyl thioglycosides under collisionally-induced activation are studied. For [M+Na]+ ions, elimination of the C8H8O2S fragment (along with thiophenol molecule) proceeds both in the presence or the absence of an acetyl group, whereas for the [M+NH4]+ ion, elimination of thiophenol C6H6S is observed. Similar elimination of the C8H8O2S fragment has been observed previously only for cationized molecules of phenylthioglycoside acetates of hexoses.
