One-Step Oxidative Dimerization of Genuine, Unprotected Naphthylisoquinolines Alkaloids to Give Michellamines and Other Bioactive Quateraryls - Bringmann, Gerhard; Saeb, Wael; Mies, Jan; Messer, Kim; Wohlfarth, Michael; Brun, Reto (Synthesis, 2000)