1: 1.) Al(Hg), KOH, 2.) 12N HCl, FeCl3 / 1.) 50percent aq. EtOH, reflux, 2.) 50percent aq. EtOH, reflux 2: 1.) 1,1'-carbonyldiimidazole / 1.) DMF, 20 deg C, 2.) DMF, 0 deg C, 5 min View Scheme

1,1'-carbonyldiimidazole 1.) DMF, 20 deg C, 2.) DMF, 0 deg C, 5 min; Yield given. Multistep reaction;