Gas??phase protonation and methyl cation transfer from methyl halide ions

…, E Rolli, R Flammang, A Maquestiau…

Index: Houriet, R.; Rolli, E.; Flammang, R.; Maquestiau, A.; Bouchoux, G. Organic Mass Spectrometry, 1987 , vol. 22, p. 770 - 774

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Citation Number: 18

Abstract

Abstract The ion-molecule reactions between [CH 3 X]+[CH 3 XH]+,[CH 3 XCH 3]+ ions (X= F, Cl, Br, I) and a number of nucleophiles have been studied by ion cyclotron resonance techniques. Protonation of the nucleophiles is observed to occur from both the molecular ions [CH 3] X+ and protonated species [CH 3 XH]+ whereas dimethylhalonium ions [CH 3 XCH 3]+ react principally by methyl cation transfer. A notable exception occurs in methyl ...