Journal
EUROPEAN JOURNAL OF MASS SPECTROMETRY
Volume 18, Issue 3, Pages 301-312Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1255/ejms.1187
Keywords
electrochemistry; phenylenediamines; electrolytic oxidation; etectrospray ionization; formal alkylation
Funding
- Deutsche Forschungsgemeinschaft [SFB/TR67 Z4]
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Different phenylenediamines were used to explore anodic oxidation in solution during electrospray ionization (ESI) mass spectrometry analysis. In our experiments, a series of unknown ionic species was detected in the phenylenediamine solutions. Our results propose that reactions of phenylenediamines with species formed by anodic oxidation of typical ESI solvents during the electrospray ionization process such as formaldehyde are producing these peaks. Identification of these compounds inter alia suggests formal alkylation, a reaction not reported so far as a result of electrolytic oxidation in the prospective organic solvents.
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