Li, Yuehui; Fang, Xianjie; Junge, Kathrin; Beller, Matthias Angewandte Chemie - International Edition, 2013 , vol. 52, # 36 p. 9568 - 9571 Angew. Chem., 2013 , vol. 125, # 36 p. 9747 - 9750,4