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Straightforward access to novel indolo[2,3-b]indoles via aerobic copper-catalyzed [3+2] annulation of diarylamines and indoles

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Abstract

Herein, we report an unprecedented aerobic copper-catalyzed [3+2] annulation reaction of diarylamines with indoles, which allows direct access to novel 2-diarylaminoindolo[2,3-b]indoles, a class of potential photoelectric device molecules. The developed transformation proceeds with broad substrate scope, good functional group tolerance, high chemo-selectivity, and no need for pre-preparation of specific agents, which offers a practical route for diverse and atom-economic synthesis of the desired products that are difficult to prepare with the conventional approaches.

Graphical abstract: Straightforward access to novel indolo[2,3-b]indoles via aerobic copper-catalyzed [3+2] annulation of diarylamines and indoles

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Article information


Submitted
08 Jan 2020
Accepted
30 Jan 2020
First published
30 Jan 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

Straightforward access to novel indolo[2,3-b]indoles via aerobic copper-catalyzed [3+2] annulation of diarylamines and indoles

T. Liang, L. Gong, H. Zhao, H. Jiang and M. Zhang, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC00178C

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