Campos, Kevin R.; Klapars, Artis; Kohmura, Yoshinori; Pollard, David; Ishibashi, Hideaki; Kato, Shinji; Takezawa, Akihiro; Waldman, Jacob H.; Wallace, Debra J.; Chen, Cheng-Yi; Yasuda, Nobuyoshi Organic Letters, 2011 , vol. 13, # 5 p. 1004 - 1007