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

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...

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Published in:New journal of chemistry 2021-03, Vol.45 (1), p.4569-4573
Main Authors: Sofi, Firdoos Ahmad, Sharma, Rohit, Rawat, Ravi, Chakraborti, Asit K, Bharatam, Prasad V
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container_start_page 4569
container_title New journal of chemistry
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creator Sofi, Firdoos Ahmad
Sharma, Rohit
Rawat, Ravi
Chakraborti, Asit K
Bharatam, Prasad V
description 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. Visible light promoted tandem dehydrogenation-deaminative cyclocondensation of arylmethyl/ethyl amines with ortho -phenylenediamines under aerobic conditions is reported for the synthesis of 2-aryl benzimidazoles/quinoxalines.
doi_str_mv 10.1039/d0nj03002c
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title Visible light promoted tandem dehydrogenation-deaminative cyclocondensation under aerobic conditions for the synthesis of 2-aryl benzimidazoles/quinoxalines from -phenylenediamines and arylmethyl/ethyl amines
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