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Mass spectral studies of N,N-dialkylaminoethanols
T Jagadeshwar Reddy1, Shama P Mirza, U V R Vijaya Saradhi
1National Centre for Mass Spectrometry, Indian Institute of Chemical Technology, Hyderabad 500 007, India.
Rapid Communications in Mass Spectrometry : RCM
|March 28, 2003
Abstract:
Some dialkylaminoethanols, precursors of chemical warfare agents such as V-agents and nitrogen mustards, were analyzed by electron impact (EI) and electrospray ionization (ESI) mass spectrometry. The fragmentation pathways in EI and ESI-MS/MS methods are rationalized. The collision-induced dissociation (CID) spectra of [M+H](+) ions of aminoethanols in ESI mode are clearly distinguishable from one another, including those of isomeric normal and branched chain dialkylaminoethanols. Structures can be proposed based on the general fragmentation pathways of these molecules.