‘Ligand-Free-Like’ CuCl-Catalyzed Atom Transfer Radical Cyclization of N-Substituted N-Allyl Polychloroamides to γ-Lactams - Pattarozzi, Mariella; Roncaglia, Fabrizio; Giangiordano, Valerio; Davoli, Paolo; Prati, Fabio; Ghelfi, Franco (Synthesis, 2010)