Lithiated three-membered heterocycles as chiral nucleophiles in the enantioselective synthesis of 1-oxaspiro[2,3]hexanes

1. Cocco, A.
2. Rubanu, M.G.
3. Sechi, M.L.
4. Frongia, A.
5. Mastrorilli, P.
6. Degennaro, L.
7. Colella, M.
8. Luisi, R.
9. Secci, F.