Iodine-catalyzed aza-prins cyclization: metal-free synthesis and antiproliferative activity of hexahydrobenzol[f]isoquinolines - Figueiredo, Carlos A. M; Reddy, Kishore Kumar Reddy Kachi; Monteiro, Paula A; Ruiz, Ana Lúcia Tasca Góis de; Silva Junior, Luiz Fernando da (Synthesis, 2013)