Diastereoselective [4+2] annulation of vinyl carbodiimides with N-alkyl imines. Asymmetric synthetic access to the batzelladine alkaloids.
Arnold MA, Dur?n SG, Gin DY. Diastereoselective [4+2] annulation of vinyl carbodiimides with N-alkyl imines. Asymmetric synthetic access to the batzelladine alkaloids. J Am Chem Soc. 2005 May 18; 127(19):6924-5.