Journal of Organometallic Chemistry p. 199 - 204 (1988)
Update date:2022-08-11
Topics:
Laali, Khosrow
Chen, H. Y.
Gerzina, Robert, J.
Electrophilic reactivity of Me3S+OTf, Me3Se+OTf, and Me3Te+OTf (OTf = trifluoromethanesulfonate) in superacid solvents towards aromatics has been demonstrated, indicative of protosolvation of the remaining lone pair on the onium ions.When dissolved in superacids, Me3Se+OTf and Me3Te+OTf show measurable changes in their NMR (1H, 13C, 77Se, 125Te) chemical shifts and one bond 77Se-13C, 125Te-13C spin-spin coupling constants.The NMR data are compared with those of related selenonium cations and donor-acceptor complexes.
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