Useful dual Diels-Alder behavior of 2-azetidinone-tethered aryl imines as azadienophiles or azadienes: A β-lactam-based stereocontrolled access to optically pure highly functionalized indolizidine systems

1. Alcaide, B.
2. Almendros, P.
3. Alonso, J.M.
4. Aly, M.F.