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Journal articles

Gas-phase reaction of acetaldehyde with silicon-containing ions

Abstract : CH2=Si(CH3)OSi(CH3)2+ ions 1 were formed in the external source of a Fourier-transform ion cyclotron resonance (FT-ICR) mass spectrometer by fragmentation of (CH)3SiOSi(CH3)3. In the cell, their reactions with acetaldehyde were studied by using labeled reactants and compared with those with acetone, studied in previous work, which gives a general view of the reactions of ion 1 with carbonyl compounds. In contrast with the behavior of the corresponding carbon-containing ions, the results confirm facile 1,3-methyl group transfers from silicon to silicon. Otherwise, the silicon-containing adducts often eliminate CnH2n. This process, not observed in (C,O,H)-containing ions, is studied by using selectively deuterated reactants.
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https://hal-polytechnique.archives-ouvertes.fr/hal-00918619
Contributor : Denis Roura Connect in order to contact the contributor
Submitted on : Sunday, December 22, 2013 - 9:25:44 PM
Last modification on : Wednesday, December 15, 2021 - 10:00:40 AM

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D. Leblanc, J.P. Denhez, Henri E. Audier. Gas-phase reaction of acetaldehyde with silicon-containing ions. European Journal of Mass Spectrometry, IM Publications, 2001, 7 (4), pp.343-349. ⟨10.1255/ejms.444⟩. ⟨hal-00918619⟩

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