α,β-Unsaturated acyl ammonium species as reactive intermediates in organocatalysis : an update
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α,β-Unsaturated acyl ammonium species are versatile intermediates that have been applied in a variety of transformations including Michael additions, domino reactions and cycloadditions. Many of these transformations are promoted by chiral Lewis base catalysts, enabling the rapid generation of molecular complexity with high stereochemical control. This review highlights recent developments in the generation and application of α,β-unsaturated acyl ammonium intermediates reported since a previous review of this area in 2016. Particular emphasis will be placed on reports providing mechanistic insight into catalytic transformations and observed selectivities. A perspective on current challenges and potential future developments in the field of α,β-unsaturated acyl ammonium catalysis is also provided.
Bitai , J , Westwood , M & Smith , A D 2021 , ' α,β-Unsaturated acyl ammonium species as reactive intermediates in organocatalysis : an update ' , Organic & Biomolecular Chemistry , vol. Advance Article . https://doi.org/10.1039/D0OB02208J
Organic & Biomolecular Chemistry
Copyright © 2021 The Author(s). Open Access. This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
DescriptionAuthors acknowledge The University of St Andrews (JB) and the EaSICAT Centre for Doctoral Training (MTW) for funding.
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