(11bR)-4-Hydroxy-2,6-bis[4-(trifluoromethyl)phenyl]-4-oxide-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin, 95%, (99% ee)

Technical Note:1.Hydrophosphonylation: Catalyst for the highly enantioselective hydrophosphonylation reaction of diisopropyl phosphite with aldimine to give a-amino.Reference:1. Tetrahedron L ett., 2009, 65, 4950-4956.