3-Aryl-1-(3-nitrophenyl)triazenes were obtained in the cyclization reaction of diazotized 3-nitroaniline with arylamines in the presence of dimethyl sulfoxide and potassium carbonate to give 1-aryl-5-nitrobenzotriazoles.
Gornostaev,Bulgakova,Kalashnikova
p. 1281 - 1284
(2014/01/17)
A novel synthesis of 1-aryl-1H-benzotriazoles via oxidative C-H amination
A facile, novel and regiospecific protocol for the synthesis of 1-aryl-1H-benzotriazoles via oxidative C-H amination of corresponding 1,3-diaryltriazenes in DMF in the presence of K2CO3 at moderate temperature was developed.
Zhou, Zhou,Liu, Qi-Lun,Li, Wen,Zhu, Yong-Ming
experimental part
p. 2057 - 2065
(2011/10/08)
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