1: 67 percent / H2O; ethanol / 3 h / Heating 2: 88 percent / cc. H2SO4, acetic acid, H2O / 3.5 h / Heating 3: 1.) KOH / 1.) EtOH, 30 min; 2.) acetone, reflux, 4 h View Scheme

1: 88 percent / cc. H2SO4, acetic acid, H2O / 3.5 h / Heating 2: 1.) KOH / 1.) EtOH, 30 min; 2.) acetone, reflux, 4 h View Scheme

potassium hydroxide 1.) EtOH, 30 min; 2.) acetone, reflux, 4 h; Yield given. Multistep reaction;