sulfuric acid; acetic acid 1.) H2O, 2.) reflux, 20 min; Yield given. Multistep reaction;

1: sodium acetate / ethanol; H2O / 2.5 h / Heating 2: acetic acid, conc. sufuric acid / 0.25 h / Heating 3: 20.3 percent / 10percent Pd/C / decahydronaphthalene / 6 h 4: 28 mg / HCl / methanol; diethyl ether View Scheme

acetic acid Fischer reaction; Reflux;