Ohara, Keiichiro; Lin, Chih-Chien; Yang, Pei-Jung; Hung, Wei-Ting; Yang, Wen-Bin; Cheng, Ting-Jen Rachel; Fang, Jim-Min; Wong, Chi-Huey Journal of Organic Chemistry, 2013, vol. 78, # 13 p. 6390 - 6411 doi: 10.1021/jo4005266