Title
Characterization of stereoisomeric <tex>$\alpha$</tex>-methylene-<tex>$\gamma$</tex>-lactone furanosidic derivatives by direct chemical ionization mass spectrometry and liquid secondary ion mass spectrometry with tandem mass spectrometry Characterization of stereoisomeric <tex>$\alpha$</tex>-methylene-<tex>$\gamma$</tex>-lactone furanosidic derivatives by direct chemical ionization mass spectrometry and liquid secondary ion mass spectrometry with tandem mass spectrometry
Author
Faculty/Department
Faculty of Pharmaceutical, Biomedical and Veterinary Sciences. Pharmacy
Publication type
article
Publication
London ,
Subject
Chemistry
Source (journal)
Rapid communications in mass spectrometry. - London
Volume/pages
10(1996) :7 , p. 757-766
ISSN
0951-4198
ISI
A1996UN19400004
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Several furanosidic derivatives have been found to have biological activity and have been used both as fungicides and plant growth regulators. In particular, those carbohydrate derivatives that contain the alpha-methylene-gamma-lactone unit have interesting potential applications, The present study deals with the mass spectrometric characterization of furanosidic compounds having a alpha-methylene-gamma-lactone unit, using different ionization techniques: chemical ionization mass spectrometry and liquid secondary ion mass spectrometry together with metastable ion analysis and high-energy collision-induced dissociation, The objective of this study was to determine the influence on the respective fragmentation patterns of structural differences present in the stereoisomers. Common fragmentation differences relate to the extent of the loss of water which occurs together with the loss of acetone and to the formation of C7H7+ ions.
E-info
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