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Issue 10, 2021
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Visible light promoted tandem dehydrogenation-deaminative cyclocondensation under aerobic conditions for the synthesis of 2-aryl benzimidazoles/quinoxalines from ortho-phenylenediamines and arylmethyl/ethyl amines

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Abstract

Visible light promoted domino synthesis of 2-aryl benzimidazoles is reported through the reaction of ortho-phenylenediamines and arylmethyl amines under aerobic conditions. The methodology has wide substrate scope and tolerates a wide range of functional groups affording the products in high yields. The use of arylethyl amines instead of arylmethyl amines gives 2-aryl quinoxalines.

Graphical abstract: Visible light promoted tandem dehydrogenation-deaminative cyclocondensation under aerobic conditions for the synthesis of 2-aryl benzimidazoles/quinoxalines from ortho-phenylenediamines and arylmethyl/ethyl amines

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Article information


Submitted
14 Jun 2020
Accepted
01 Feb 2021
First published
11 Feb 2021

New J. Chem., 2021,45, 4569-4573
Article type
Communication

Visible light promoted tandem dehydrogenation-deaminative cyclocondensation under aerobic conditions for the synthesis of 2-aryl benzimidazoles/quinoxalines from ortho-phenylenediamines and arylmethyl/ethyl amines

F. A. Sofi, R. Sharma, R. Rawat, A. K. Chakraborti and P. V. Bharatam, New J. Chem., 2021, 45, 4569
DOI: 10.1039/D0NJ03002C

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