Characterization of Cyclic N‐Acyliminium Ions by Infrared Ion Spectroscopy

N‐Acyliminium ions are highly reactive intermediates that are important for creating CC‐bonds adjacent to nitrogen atoms. Here we report the characterization of cyclic N‐acyliminium ions in the gas phase, generated by collision induced dissociation tandem mass spectrometry followed by infrared ion s...

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Detalles Bibliográficos
Autores principales: Merx, Jona, Houthuijs, Kas J., Elferink, Hidde, Witlox, Eva, Mecinović, Jasmin, Oomens, Jos, Martens, Jonathan, Boltje, Thomas J., Rutjes, Floris P. J. T.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2021
Materias:
Research Articles
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9302692/
https://www.ncbi.nlm.nih.gov/pubmed/34911145
http://dx.doi.org/10.1002/chem.202104078
Descripción
Sumario:N‐Acyliminium ions are highly reactive intermediates that are important for creating CC‐bonds adjacent to nitrogen atoms. Here we report the characterization of cyclic N‐acyliminium ions in the gas phase, generated by collision induced dissociation tandem mass spectrometry followed by infrared ion spectroscopy using the FELIX infrared free electron laser. Comparison of DFT calculated spectra with the experimentally observed IR spectra provided valuable insights in the conformations of the N‐acyliminium ions.

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