Nagamitsu, Tohru; Takano, Daisuke; Marumoto, Kaori; Fukuda, Takeo; Furuya, Kentaro; Otoguro, Kazuhiko; Takeda, Kazuyoshi; Kuwajima, Isao; Harigaya, Yoshihiro; Omura, Satoshi Journal of Organic Chemistry, 2007, vol. 72, # 8 p. 2744 - 2756 doi: 10.1021/jo062089i