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Issue 2, 2020
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Chan–Lam N-arylation and C–H amination with heteroaromatic ring-NH: an approach to access extended-fused imidazo[1,2-a]-pyridines/pyrazines

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Abstract

A di-amination strategy of areneboronic acids with heterocyclic azines via a tandem process of intermolecular Chan–Lam N-arylation and intramolecular arene C–H amination under copper(II)-mediated aerobic conditions has been realized. It constructs a fused imidazole scaffold and affords a convenient route to access imidazo[1,2-a]-fused pyridine, pyrazine and other heterocycles.

Graphical abstract: Chan–Lam N-arylation and C–H amination with heteroaromatic ring-NH: an approach to access extended-fused imidazo[1,2-a]-pyridines/pyrazines

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Supplementary files

Article information


Submitted
01 Oct 2019
Accepted
28 Nov 2019
First published
29 Nov 2019

New J. Chem., 2020,44, 308-312
Article type
Letter

Chan–Lam N-arylation and C–H amination with heteroaromatic ring-NH: an approach to access extended-fused imidazo[1,2-a]-pyridines/pyrazines

S. K. Guchhait and M. Saini, New J. Chem., 2020, 44, 308
DOI: 10.1039/C9NJ04966E

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