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Transition-metal-free and organic solvent-free conversion of N-substituted 2-aminobiaryls into corresponding carbazoles via intramolecular oxidative radical cyclization induced by peroxodisulfate

Abstract

An atom-economical and environmentally benign approach for the synthesis of N-substituted carbazoles from analogous 2-aminobiaryls using peroxodisulfate in water is reported. The reactions proceeded through an intramolecular oxidative radical cyclization of N-substituted 2-aminobiaryls with in situ reoxidation of the resulting radical species. While compared to known methods for the synthesis of N-substituted carbazoles from 2-amidobiaryls, this protocol is practical, efficient and do not require a transition metal catalyst and toxic organic solvents!

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Publication details

The article was received on 18 Oct 2017, accepted on 13 Nov 2017 and first published on 13 Nov 2017


Article type: Paper
DOI: 10.1039/C7GC03130K
Citation: Green Chem., 2017, Accepted Manuscript
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    Transition-metal-free and organic solvent-free conversion of N-substituted 2-aminobiaryls into corresponding carbazoles via intramolecular oxidative radical cyclization induced by peroxodisulfate

    P. Natarajan, P. Ya and D. Chuskit, Green Chem., 2017, Accepted Manuscript , DOI: 10.1039/C7GC03130K

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