Saito, Shinichi; Takahashi, Eiko; Wakatsuki, Kouta; Inoue, Kazuhiko; Orikasa, Tomoko; Sakai, Kenta; Yamasaki, Ryu; Mutoh, Yuichiro; Kasama, Takeshi Journal of Organic Chemistry, 2013 , vol. 78, # 8 p. 3553 - 3560