Supporting Information

N-Bromosuccinimide as Oxidant for the Transition-Metal-Free Synthesis of 2-Aminobenzoxazoles from Benzoxazoles and Secondary Amines

Xiaoe Wang,a,b Daqian Xu,a Chengxia Miao,a Qiaohong Zhang,a Wei Sun*a

a State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese

Academy of Sciences, Lanzhou, 730000, China

Fax: +86 931 827 7088

E-mail: wsun@licp.cas.cn

b University of Chinese Academy of Sciences, Beijing, 100049, P. R. China.

1. Copies of 1H and 13C NMR spectra

Electronic Supplementary Material (ESI) for Organic & Biomolecular Chemistry.This journal is © The Royal Society of Chemistry 2014