The fragmentation of protonated and cationized sphingosine and sphinganine under metastable and high-energy collision-induced decomposition is reported. The protonated compounds undergo abundant charge-remote fragmentation of the long alkyl chain, while the cationized molecules yield much less abundant fragmentation and little or no electrocyclic fission of the hydrocarbon portion.
Characterization of sphingosine long‐chain bases by fast atom bombardment and high‐energy collision‐induced decomposition tandem mass spectrometry / F. RUBINO, L. ZECCA, S. SONNINO. - In: OMS, ORGANIC MASS SPECTROMETRY. - ISSN 0030-493X. - 27:12(1992), pp. 1357-1364.
Characterization of sphingosine long‐chain bases by fast atom bombardment and high‐energy collision‐induced decomposition tandem mass spectrometry
F. RUBINOPrimo
;S. SONNINOUltimo
1992
Abstract
The fragmentation of protonated and cationized sphingosine and sphinganine under metastable and high-energy collision-induced decomposition is reported. The protonated compounds undergo abundant charge-remote fragmentation of the long alkyl chain, while the cationized molecules yield much less abundant fragmentation and little or no electrocyclic fission of the hydrocarbon portion.
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