Chemoselective Oxidation of Secondary Hydroxy Groups by the Molybdenum Hexacarbonyl/Cetylpyridinium Chloride/t-Butyl Hydroperoxide System - Yamawaki, Kazumasa; Yoshida, Tsutomu; Suda, Takashi; Ishii, Yasutaka; Ogawa, Masaya (Synthesis, 1986)