Okuda, Yasuhiro; Sato, Mitsuyoshi; Oshima, Koichiro; Nozaki, Hitosi Tetrahedron Letters, 1983 , vol. 24, # 19 p. 2015 - 2018 Title/Abstract Full Text View citing articles Show Details Takai, Kazuhiko; Oshima, Koichiro; Nozaki, Hitosi Tetrahedron Letters, 1980 , vol. 21, p. 2531 - 2534