参考文献

Tohyama, Shigeo; Choshi, Tominari; Matsumoto, Kohji; Yamabuki, Akira; Ikegata, Kouichiro; Nobuhiro, Junko; Hibino, Satoshi Tetrahedron Letters, 2005 , vol. 46, # 32 p. 5263 - 5264