Kang, Suk-Ku; Park, Young-Won; Lee, Dong-Ha; Sim, Hyeong-Su; Jeon, Jae-Hoon Tetrahedron: Asymmetry, 1992, vol. 3, # 6 p. 705 - 708 doi: 10.1016/S0957-4166(00)80506-6