1: Na2CO3 / 2-ethoxy-ethanol / 3 h / Heating 2: 1) KOH; 2) aq. NaOAc / 1) H2O, room temp., overnight; 2) H2O, a) 0 deg C, 2 h, b) room temp., 16 h 3: 1) HCl; 2) aq. alkaline sodium hyposulfite / 1) EtOH, reflux, 3 h; 2) toluene, room temp. View Scheme

hydrogenchloride; alkaline sodium hyposulfite 1) EtOH, reflux, 3 h; 2) toluene, room temp.; Yield given. Multistep reaction;

1: 1) KOH; 2) aq. NaOAc / 1) H2O, room temp., overnight; 2) H2O, a) 0 deg C, 2 h, b) room temp., 16 h 2: 1) HCl; 2) aq. alkaline sodium hyposulfite / 1) EtOH, reflux, 3 h; 2) toluene, room temp. View Scheme