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Non-classical anionic naked N-heterocyclic carbenes: fundamental properties and emerging applications in synthesis and catalysis

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Leow, MY, Ho, CC ORCID: 0000-0002-7555-0635, Gardiner, MG ORCID: 0000-0001-6373-4253 and Bissember, AC ORCID: 0000-0001-5515-2878 2018 , 'Non-classical anionic naked N-heterocyclic carbenes: fundamental properties and emerging applications in synthesis and catalysis' , Catalysts, vol. 8, no. 12 , pp. 1-21 , doi: 10.3390/catal8120620.

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Abstract

Ongoing research exploring the chemistry of N-heterocyclic carbenes (NHCs) has led to the development and discovery of new NHC subclasses that deviate beyond Arduengo’s prototypical N,N′-disubstituted imidazol-2-ylidene-based structures. These systems continue to enable and extend the fundamental role of NHC ligands in synthesis and catalysis. In this regard, the advent of protic NHCs has garnered particular interest. This derives in part from their applications to the selective preparation of unique molecular scaffolds and their unprecedented bifunctional reactivity, which can be exploited in transition metal-catalyzed processes. In comparison, the synthetic applications of closely related anionic naked NHCs remain rather underexplored. With this in mind, this review highlights the interesting fundamental properties of non-classical anionic naked NHCs, and focuses on their emerging applications in synthesis and catalysis.

Item Type: Article
Authors/Creators:Leow, MY and Ho, CC and Gardiner, MG and Bissember, AC
Keywords: N-heterocyclic carbenes, non-classical NHCs, protic NHCs, naked NHCs, catalysis
Journal or Publication Title: Catalysts
Publisher: MDPIAG
ISSN: 2073-4344
DOI / ID Number: 10.3390/catal8120620
Copyright Information:

Copyright 2018 The Authors. Licensed under Creative Commons Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/

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