Liu, Gong-Qing; Ding, Zhen-Ying; Zhang, Li; Li, Ting-Ting; Li, Lin; Duan, Lili; Li, Yue-Ming Advanced Synthesis and Catalysis, 2014, vol. 356, # 10 p. 2303 - 2310 doi: 10.1002/adsc.201301125