Copper(II) Triflate Promoted One-Pot Synthesis of Coumarin-, Quinolone-, and Naphthalene-Annulated 2-Aminothiazoles under Ligand-Free Conditions - Majumdar, K. C.; De, Nirupam; Ghosh, Debankan; Ponra, Sudipta; Roy, B. (Synthesis, 2012)