Wright, Karen; Crisma, Marco; Toniolo, Claudio; Török, Roland; Péter, Antal; Wakselman, Michel; Mazaleyrat, Jean-Paul Tetrahedron Letters, 2003, vol. 44, # 16 p. 3381 - 3384 doi: 10.1016/S0040-4039(03)00572-0