Okawara, Tadashi; Ehara, Shuji; Kagotani, Hideaki; Okamoto, Yoshinari; Eto, Masashi; Harano, Kazunobu; Yamasaki, Tetsuo; Furukawa, Mitsuru
Journal of Organic Chemistry, 1996 , vol. 61, # 12 p. 4125 - 4129