Ji, Yeon Park; Ullapu, Punna Reddy; Choo, Hyunah; Jae, Kyun Lee; Min, Sun-Joon; Ae, Nim Pae; Kim, Youseung; Baek, Du-Jong; Yong, Seo Cho European Journal of Organic Chemistry, 2008 , # 32 p. 5461 - 5469