Novel pyrrolobenzodiazepine and pyrroloquinazoline scaffolds synthesized by a simple and highly selective Ugi/cyclization sequence

1. Pertejo, P.
2. Peña-Calleja, P.
3. Carreira-Barral, I.
4. Quesada, R.
5. Alejandro Cordero, N.
6. Javier Rodríguez, F.
7. García-Valverde, M.