参考文献

Nakadaira, Yasuhiro; Ohkura, Yoshiyuki; Kyushin, Soichiro; Ohashi, Mamoru; Sakurai, Hideki; Ueno, Kimitoshi; Kanouchi, Seiichi Tetrahedron Letters, 1992 , vol. 33, # 28 p. 4013 - 4016