Bimolecular reactions of distonic ions: Proton transfer and hydrogen atom abstraction with  ˙ CH 2 OH 2  + | Zendy

Mourgues Philippe | Zendy; Audier Henri Edouard | Zendy; Leblanc Danielle | Zendy; Hammerum Steen | Zendy

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Bimolecular reactions of distonic ions: Proton transfer and hydrogen atom abstraction with ˙ CH 2 OH 2 +

Author(s) -

Mourgues Philippe,

Audier Henri Edouard,

Leblanc Danielle,

Hammerum Steen

Publication year - 1993

Publication title -

organic mass spectrometry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.475

H-Index - 121

eISSN - 1096-9888

pISSN - 0030-493X

DOI - 10.1002/oms.1210281019

Subject(s) - chemistry , fourier transform ion cyclotron resonance , protonation , hydrogen atom abstraction , proton , ion , ion cyclotron resonance , molecule , hydrogen atom , proton affinity , hydrogen , photochemistry , cyclotron , organic chemistry , physics , alkyl , quantum mechanics

The bimolecular reaction of ˙ CH 2 OH 2 + with a variety of neutral molecules in the gas phase were studied by Fourier transform ion cyclotron resonance experiments. The distonic ion is found to be considerably more acidic than protonated methanol; bracketing experiments provide a value of 695 ± 8 kJ mol −1 for the proton affinity of the conjugate base, the hydroxymethyl radical, Efficient hydrogen atom abstraction is only observed from neutral species less basic than ˙ CH 2 OH. Transfer of CH 2 +˙to CS 2 , CH 3 I and C 6 H 2 F 4 is observed.

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