Group 6 heteroatom- and non-heteroatom-stabilized carbene complexes. β,β′- and α,ββ′-Annulation reactions of cyclic enamines

1. Barluenga, J.
2. Ballesteros, A.
3. De la Rúa, R.B.
4. Santamaría, J.
5. Rubio, E.
6. Tomás, M.