NMR spectroscopic characterization and DFT calculations of zirconium(IV)-3,3′-Br2a-BINOLate and related complexes used in an enantioselective friedela-crafts alkylation of indoles with α,β-unsaturated ketones

1. Blay, G.
2. Cano, J.
3. Cardona, L.
4. Fernández, I.
5. Muñoz, M.C.
6. Pedro, J.R.
7. Vila, C.