1: 19 percent / NaOEt / ethanol / 0.5 h / Ambient temperature 2: 75 percent / 6 M aq. HCl / Ambient temperature 3: 1.) aq. NaOH, AgNO3 / 1.) r.t., overnight, 2.) benzene, reflux, 8 h View Scheme

in diethyl ether; ethyl acetate 2 h;

1: 79 percent / NaOEt / ethanol / 6 h / 0 °C 2: 63.8 percent / ethyl acetate; diethyl ether / 2 h View Scheme

sodium hydroxide; silver nitrate 1.) r.t., overnight, 2.) benzene, reflux, 8 h; Yield given. Multistep reaction;