1: AlCl3 / CHCl3 / 24 h / Ambient temperature 2: 1.) 5percent KOH, 2.) 33percent H2O2 / 1.) ethanol, reflux, 1 h, 2.) water, reflux, 1 h View Scheme

potassium hydroxide; dihydrogen peroxide 1.) ethanol, reflux, 1 h, 2.) water, reflux, 1 h; Yield given. Multistep reaction;

in diethyl ether