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Pd-catalyzed C-H activation/C-N bond formation: a new route to 1-aryl-1H-benzotriazoles. 2011

Rapolu Kiran Kumar, and Md Ashif Ali, and Tharmalingam Punniyamurthy
Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati-781039, India.

A method for the C-H activation of aryl triazene compounds followed by intramolecular amination is described. It involves the use of a catalytic amount of Pd(OAc)(2) that efficiently effects the cyclization to provide 1-aryl-1H-benzotriazoles at moderate temperature.

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