"Kohsuke Aikawa,Tatsuya Okamoto,Koichi Mikami","Copper(I)-Catalyzed Asymmetric Desymmetrization: Synthesis of Five-Membered-Ring Compounds Containing All-Carbon Quaternary Stereocenters",,"J. Am. Chem. Soc.",,"Vol. 134","No. 25","pp. 10329-10332",2012,June