Ishihara, Jun; Nonaka, Rie; Terasawa, Yuki; Tadano, Kin-ichi; Ogawa, Seiichiro Tetrahedron: Asymmetry, 1994, vol. 5, # 11 p. 2217 - 2232 doi: 10.1016/S0957-4166(00)86298-9