Gas??phase fragmentation of γ??lactone derivatives by electrospray ionization tandem mass spectrometry

…, ES Bronze??Uhle, PGBD Nascimento…

Index: Crotti, Antonio E. M.; Bronze-Uhle, Erika S.; Nascimento, Paulo G. B. D.; Donate, Paulo M.; Galembeck, Sergio E.; Vessecchi, Ricardo; Lopes, Norberto P. Journal of Mass Spectrometry, 2009 , vol. 44, # 12 p. 1733 - 1741

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Citation Number: 18

Abstract

Abstract Fragmentation reactions of β-hydroxymethyl-, β-acetoxymethyl-and β- benzyloxymethyl-butenolides and the corresponding γ-butyrolactones were investigated by electrospray ionization tandem mass spectrometry (ESI-MS/MS) using collision-induced dissociation (CID). This study revealed that loss of H 2 O [M+ H− 18]+ is the main fragmentation process for β-hydroxymethylbutenolide (1) and β-hydroxymethyl-γ- ...

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