β-aryl-α-nitro-α,β-enals as heterodienes and dienophiles

1. Lago-Santomé, H.
2. Martínez-Bescos, P.
3. Fernández-González, M.
4. Ozores-Viturro, L.
5. Cagide-Fagín, F.
6. Alonso, R.