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Electrospray tandem mass spectrometric study of alkyl 1-methylpyridinium ether derivatives of alcohols.

Authors
Type
Published Article
Journal
Journal of mass spectrometry : JMS
Publication Date
Volume
36
Issue
12
Pages
1294–1300
Identifiers
PMID: 11754121
Source
Medline

Abstract

The fragmentation of 15 alkyl 1-methylpyridinium ether derivatives (D+) of primary and secondary alcohols, benzylic alcohols and phenyl-substituted alcohols was investigated using energy-resolved tandem mass spectrometry. Fragmentation pathways and mechanisms, including the influence of substituents, on the formation of the major product ions, which appear at m/z 110, [D - 109]+ and [D - 111]+, were postulated. Comparison of the abundances of these ions in the product ion spectra of isomeric alcohol derivatives, obtained at the same center-of-mass collision energy (2.0 eV), was found to provide the ability to differentiate among some isomers.

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