A convenient, environmentally benign, and highly efficient protocol for the preparation of N-aryl-hydroxylamines from the corresponding nitroarenes in a Zn/HCOONH4/CH3CN system under ultrasound is described. The advantages of the present method include high chemoselectivity, simple and practical work-up procedure and high yield.
SHI Qi-Xun LU Rong-wen HAO Xin-yu LU Lian-hai ZHANG Shu-fen
