Total synthesis of (+)-batzelladine A and (-)-batzelladine D via [4 + 2]-annulation of vinyl carbodiimides with N-alkyl imines.
Arnold MA, Day KA, Durón SG, Gin DY. Total synthesis of (+)-batzelladine A and (-)-batzelladine D via [4 + 2]-annulation of vinyl carbodiimides with N-alkyl imines. J Am Chem Soc. 2006 Oct 11; 128(40):13255-60.