Tautomerism of Lactones and Related Compounds. Mass Spectrometic Data and Theoretical Calculations
Science Direct Working Paper No S1574-0331(04)70639-6
11 Pages Posted: 7 Jun 2017 Last revised: 13 Jan 2018
Date Written: April 2003
Abstract
The enolization degree of lactones and esters is favoured by the oxygen-sulfur exchange in the respective functional groups. The analysis of the corresponding mass spectra has allowed to assign unambiguously some fragments to specific tautomers and to establish an acceptable correlation between ion abundances ratios and AM1 theoretical calculations, which additionally support mass spectrometry as an adequate tool to evaluate tautomerism occurrence of neutral species.
Keywords: Tautomerism, Lactones, Mass spectrometry, Imidolization
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