Armstrong, Alan; Baxter, Carl A.; Lamont, Scott G.; Pape, Andrew R.; Wincewicz, Richard
Organic Letters, 2007 , vol. 9, # 2 p. 351 - 353

Inokuma, Tsubasa; Nagamoto, Yuuki; Sakamoto, Shota; Miyabe, Hideto; Takasu, Kiyosei; Takemoto, Yoshiji
Heterocycles, 2009 , vol. 79, # C p. 573 - 582