Characterization of Isomeric 1,2,4-Oxadiazolyl-N-Methylpyridinium Salts by Electrospray Ionization Tandem Mass Spectrometry-Reference-Cited by-同舟云学术

Characterization of Isomeric 1,2,4-Oxadiazolyl-N-Methylpyridinium Salts by Electrospray Ionization Tandem Mass Spectrometry

Published:2007-06 Issue:3 Volume:13 Page:199-205
ISSN:1469-0667
Container-title:European Journal of Mass Spectrometry
language:en
Short-container-title:Eur J Mass Spectrom (Chichester)

Author:

Avellone Giuseppe¹,Bongiorno David¹,Buscemi Silvestre²,Ceraulo Leopoldo¹,Indelicato Serena¹,Pace Andrea²,Pibiri Ivana²,Vivona Nicolò²

Affiliation:

1. Dipartimento di Chimica e Tecnologie Farmaceutiche, Università degli Studi di Palermo, via Archirafi n.32 90123 Palermo, Italy

2. Dipartimento di Chimica Organica “E. Paternò”, Università degli di Studi Palermo, Viale delle Scienze Parco d'Orleans II, Ed. 17, 90128 Palermo, Italy

Abstract

The mass spectrometric behavior of 1,2,4-oxadiazolyl- N-methylpyridinium salts has been investigated. These substances are of current interest as perspective ionic liquids, compounds used as green solvents for synthesis, and for their catalytic properties. The studies have been developed through electrospray ionization tandem mass spectrometry (ESI-MS/MS) experiments. The obtained results demonstrate a ready distinction between the two isomeric classes, 3- N-methylpyridinium- and 5- N-methylpyridinium-1,2,4-oxadiazoles, is possible through ESI-MS/MS experiments. A deeper investigation on the principal fragmentation pathways of characteristic ions has been also developed.

Publisher

SAGE Publications

Subject

Spectroscopy,Atomic and Molecular Physics, and Optics,General Medicine

Link

http://journals.sagepub.com/doi/pdf/10.1255/ejms.877

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