A fourier transform ion cyclotron resonance study of the mechanism of formation of protonated dimethyl ether from methanol by use of naturally occurring 18O

✍ Scribed by J. C. Kleingeld; N. M. M. Nibbering

• Publisher: John Wiley and Sons
• Year: 1982
• Tongue: English
• Weight: 398 KB
• Volume: 17
• Category: Article
• ISSN: 1076-5174
• DOI: 10.1002/oms.1210170307

✦ Synopsis

Abstract

It is shown that ejection of mass selected ions of high abundance from the cell of a Fourier transform ion cyclotron resonance spectrometer permits the study of ion/molecule reactions of ions of very low abundance. Methanol is used as an illustration. Ejection of all ions with the exception of the ^18^O labelled protonated methanol molecules, present at natural abundance, shows that the protonated dimethyl ether molecules in this system are formed mainly by an S~N~2 displacement reaction.