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5963107 
Journal Article 
A REGIOSPECIFIC CYCLOADDITION - SUCCESSIVE REACTIONS OF .CH(2)CH(2)OH()+ WITH CH(2)O 
Mourgues, P; Audier, HE; Hammerum, S 
1994 
1 
Rapid Communications in Mass Spectrometry
ISSN: 0951-4198
EISSN: 1097-0231 
8 
1 
53-55 
WOS:A1994MT55300009 
Four dominant reactions can be observed when the beta-distonic ion .CH2CH2OH2+ reacts in the cell of a Fourier-transform ion cyclotron resonance spectrometer with a number of neutral molecules: protonation of the neutral molecule, ethylene radical-cation transfer, hydride abstraction from the neutral molecule, and charge exchange. Among the ethylene transfer reactions, which can lead to a variety of other distonic ions, we have throroughly studied the reaction with formaldehyde. The reaction of a first molecule of CH2O yields .CH2CH2OCH2+. The addition of a second one leads to 1,3-dioxane which stabilizes by H. loss. This latter reaction is regiospecific.<