Intermolecular reaction of internal alkynes and imines: Propargyl tosylates as key partners in a gold-catalyzed [4 + 1] unusual cyclization leading to cyclopent-2-enimines

1. Suárez-Pantiga, S.
2. Rubio, E.
3. Alvarez-Rúa, C.
4. González, J.M.