... Please enable JavaScript to use all the features on this page. Tetrahedron: Asymmetry. Volume 15, Issue 14, 26 July 2004, Pages 2209–2212. Chiral Phosphorus Ligands. ... Calcd for C 10 H 15 NO 3 : C, 60.90; H, 7.67; N, 7.10. Found: C, 60.8; H, 7.7; N, 6.9. 3.2. Synthesis of 1c. ...