Domingo García-Cuadrado, Sofia Barluenga and Nicolas Winssinger
Chem. Commun., 2008, 4619-4621
DOI:
10.1039/B807869F,
Communication
A concise sequence utilizing a Petasis three component reaction followed by a tandem aza-Cope–Mannich cyclization afforded novel polycyclic heterocycles in good yield; alternative iminium cyclization based on a