Issue 96, 2014

Exploring a unique reactivity of N-heterocyclic carbenes (NHC) in rhodium(iii)-catalyzed intermolecular C–H activation/annulation

Abstract

Disclosed herein is the unique conjugative role of N-heterocyclic carbene (NHC) ligands as a directing group in aromatic C–H activation, coupled with a facile NHC–alkenyl annulative reductive elimination which guided the RhIII-catalyzed intermolecular annulations of imidazolium salts and alkynes under ambient conditions leading to structurally important imidazo[1,2-a]quinolinium motifs.

Graphical abstract: Exploring a unique reactivity of N-heterocyclic carbenes (NHC) in rhodium(iii)-catalyzed intermolecular C–H activation/annulation

Supplementary files

Article information

Article type
Communication
Submitted
11 Sept. 2014
Accepted
14 Okt. 2014
First published
14 Okt. 2014

Chem. Commun., 2014,50, 15159-15162

Exploring a unique reactivity of N-heterocyclic carbenes (NHC) in rhodium(III)-catalyzed intermolecular C–H activation/annulation

D. Ghorai and J. Choudhury, Chem. Commun., 2014, 50, 15159 DOI: 10.1039/C4CC07170K

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