J. CHEM. SOC., C'HEM. C'OMMUN., 1992 ... Photochemical Reaction of P-Hydroxyketones. Formation of Cyclopropane-l,2-diols ... Michikazu Yoshioka,*a Satoru Miyazoea and Tadashi Hasegawab a Department of Chemistry, Saitama University, Shimo-okubo, Urawa, Saitama 338, Japan b Department of Chemistry, Tokyo Gakugei University, Nukuikitamachi, Koganei, Tokyo 184, Japan ... Irradiation of 3-hydroxy-l-(o-methylaryl)-2,2,4-trimethylpentan-l- ...