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2-(Arylamino)aryliminophosphoranes as Easily Available and Convenient Starting Materials in the Synthesis of 1,2,3-Benzotriazoles

Emilia Łukasik, Zbigniew Wróbel*

*Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44, 01-224 Warsaw 42, Poland, Email:

E. Łukasik, Z. Wróbel, Synlett, 2014, 25, 1987-1990.

DOI: 10.1055/s-0034-1378448 (free Supporting Information)


A cyclocondensation of 2-(arylamino)aryliminophosphoranes enables the synthesis of 1-aryl-1,2,3-benzotriazoles under mild conditions. The reaction involves a three-step, halogen-free route starting from simple nitroarenes and arylamines.

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Key Words

cyclization, condensation, heterocycles, annulation, ylides, 1,2,3-benzotriazoles

ID: J60-Y2014