Organic Mass Spectrometry p. 522 - 526 (1990)
Update date:2022-08-02
Topics:
Milliet, Arielle
Sozzi, Georges
The γ-distonic radical ions RO+HCHR'CH2C.HR'' and their molecular ion counterparts RO+.CHR'CH2CH2R'' have been studied by isotopic labelling and collision-induced dissociation, applying a potential to the collision cell in order to seperate activated from spontaneous decompositions.The stability of CH2O+HCH(CH3)CH2C.HCH3, C2H5O+HCH(CH3)CH2C.HCH3, CH3O+HCH(CH3)CH2C.H2, CH3O+HCH2CH2C.HCH3 and C2H5O+HCH2CH2C.HCH3, has been demonstrated and their characteristic decomposition, alcohol loss, identified.For all these γ-distonic ions, the 1,4-H abstraction leading to their molecular ion counterpart exhibits a primary isotope effect.
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