Issue 11, 2021

Computational evidence of glycosyl cations

Abstract

Glycosyl cations are key intermediates in the glycosylation reactions taking place through a SN1-type mechanism. To obtain a reliable description of the glycosylation reaction mechanism a combination of computational studies and experimental data such as kinetic isotopic effects is needed. Computational studies have elucidated SN2-type glycosylation reaction mechanisms, but elucidation of mechanisms in which ion pairs can be formed presents some difficulties because of the recombination of the ions. Recent topological and dynamic studies open the door to the ultimate confirmation of the presence of glycosyl cations in the form of intimate ion pairs during certain glycosylation reactions. This review covers the state-of-the-art tools and applications of computational chemistry mainly developed during the last ten years to understand glycosylation reactions in which an oxocarbenium ion could be involved.

Graphical abstract: Computational evidence of glycosyl cations

Article information

Article type
Review Article
Submitted
27 nov. 2020
Accepted
18 janv. 2021
First published
18 janv. 2021

Org. Biomol. Chem., 2021,19, 2350-2365

Computational evidence of glycosyl cations

P. Merino, I. Delso, S. Pereira, S. Orta, M. Pedrón and T. Tejero, Org. Biomol. Chem., 2021, 19, 2350 DOI: 10.1039/D0OB02373F

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