1: 1.) O3, 2.) acetic anhydride, sodium acetate, 3.) H2O; / 1.) cyclohexane, glacial acetic acid, 2.) glacial acetic acid, 3.) boiling; 2: 85 percent / diethyl ether / 0.03 h 3: 2.) dilute aq. HCl; / 1.) benzene, boiling, 10 h, 2.) 40 deg C, 15 min; 3.) room temperature, 2 h; 4: conc. HCl / Heating View Scheme

1: 85 percent / diethyl ether / 0.03 h 2: 2.) dilute aq. HCl; / 1.) benzene, boiling, 10 h, 2.) 40 deg C, 15 min; 3.) room temperature, 2 h; 3: conc. HCl / Heating View Scheme

1: 2.) dilute aq. HCl; / 1.) benzene, boiling, 10 h, 2.) 40 deg C, 15 min; 3.) room temperature, 2 h; 2: conc. HCl / Heating View Scheme

hydrogenchloride Heating;