Beilstein J. Org. Chem.2018,14, 2568–2571, doi:10.3762/bjoc.14.233
aldehyde- and ketone-based intermediates, respectively.
Keywords: carboxonium ion; glycosyliumion; oxacarbenium ion; oxocarbenium ion; oxycarbenium ion; Introduction
There is much confusion in the literature over the name of the intermediates R1C(=O+R3)R2 (R1, R2, R3 = H or organyl [1], 1; Figure 1).
In
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Graphical Abstract
Figure 1:
Protonated (or organylated) carbonyl (1) and hydroxy (or organyloxy) carbenium ion (2): two possibl...