New, Azide-Free Transformation of Epoxides into 1,2-Diamino Compounds: Synthesis of the Anti-Influenza Neuraminidase Inhibitor Oseltamivir Phosphate (Tamiflu) Martin Karpf and René Trussardi J. Org. Chem.; 2001; 66(6) pp 2044 - 2051; (Article) doi:10.1021/jo005702l.