Electrospray mass spectrometry of 2-aminotroponimines and 2-aminotropones

Eur. J. Mass Spectrom. 9, 403–407 (2003)
DOI: 10.1255/ejms.560

Electrospray mass spectrometry of 2-aminotroponimines and 2-aminotropones

Rosa M. Claramunt,^a Dionisia Sanz,^a Marta Pérez Torralba,^a José Elguero,^a Pierre Sanchez,^b Christine Enjalbal,^b Jean Martinez^b and Jean-Louis Aubagnac^*,b
^aDepartamento de Química Orgánica y Biología, Facultad de Ciencias, UNED, Senda del Rey 9, E-28040 Madrid, Spain
^bUMR5810, Laboratoire des Aminoacides, Peptides et Protéines, Universités de Montpellier I et II, F-34095 Montpellier Cedex 5, France

ABSTRACT:

A series of aminotroponimine and aminotropone derivatives were studied by electrospray mass spectrometry. MS and MS/MS data were acquired according to automated procedures. In the case of mono- and di-halogenated compounds, their specific behavior upon collisionally-activated dissociation conditions provided rapid structural assignments through inexpensive isotopic labeling MS/MS experiments.

Keywords: tandem mass spectrometry, isotopic labelling experiments

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