Stereoisomer discrimination through π-stacking interactions in spirocyclic phosphazenes bearing 2,2′-dioxybiphenyl units

1. Carriedo, G.A.
2. Garcia-Alonso, F.J.
3. García-Alvarez, J.L.
4. Pappalardo, G.C.
5. Punzo, F.
6. Rossi, P.