Issue 10, 2021

Synthesis of enantioenriched α-heteroatom functionalised aldehydes by chiral organocatalysis and their synthetic applications

Abstract

Asymmetric organocatalysis has proven to be one of the most versatile methods for the enantioselective α-functionalisation of aldehydes. Initially pioneered by the report of an L-proline catalysed intermolecular aldol reaction, the field has seen a diversification in the range of catalysts as well as heteroatomic modifications at the α-stereocenter. From the original reports of these synthetic procedures, additional focus has been on understanding the catalytic cycle and mechanism of reaction. This has led primarily to the development of novel catalysts with superior chemoselectivity and better understanding of catalyst deactivation pathways. Additionally, the demand and synthetic scope for chiral α-heteroatom substituted aldehydes is examined in the three general synthetic applications: the Horner–Wadsworth–Emmons, aldol and organometallic addition reactions. In each of these example applications common examples of functional group chemistry and their downstream reactivities are reviewed. Interesting total synthesis applications are also highlighted.

Graphical abstract: Synthesis of enantioenriched α-heteroatom functionalised aldehydes by chiral organocatalysis and their synthetic applications

Associated articles

Article information

Article type
Review Article
Submitted
20 janv. 2021
Accepted
20 févr. 2021
First published
22 févr. 2021

Org. Chem. Front., 2021,8, 2287-2314

Synthesis of enantioenriched α-heteroatom functionalised aldehydes by chiral organocatalysis and their synthetic applications

P. J. Chevis and S. G. Pyne, Org. Chem. Front., 2021, 8, 2287 DOI: 10.1039/D1QO00101A

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