Ligand-free Pd-Catalyzed C—N Coupling of Diphenylamine and Aryl Halides under Air
Zhang Binbin, Zhan Dan, Zhang Xiaoping, Xiang Qinjie, Zeng Qingle
Acta Chimica Sinica . 2012, (15): 1655 -1659 .  DOI: 10.6023/A1202122