Use of Potassium Peroxodisulfate for Benzylic Oxidation and Oxidative Coupling of Benzoylacetates - Irie, Hiroshi; Maruyama, Jun; Shimada, Miki; Zhang, Yong; Kouno, Isao; Shimamoto, Keiko; Ohfune, Yasufumi (Synlett, 1990)