1: 58 percent / anhyd. AlCl3 / various solvent(s) / 0.5 h / Heating 2: 1.) 10percent aq. NaOCl, 2.) Na2CO3 / 1.) 50percent aq. MeOH, 10-20 deg C, 20 min, 2.) 50percent aq. MeOH, reflux, 1 h View Scheme

1: 58 percent / anhyd. AlCl3 / various solvent(s) / 0.5 h / Heating 2: 1.) 10percent aq. NaOCl, 2.) Na2CO3 / 1.) 50percent aq. MeOH, 10-20 deg C, 20 min, 2.) 50percent aq. MeOH, reflux, 1 h View Scheme

sodium hypochlorite; sodium carbonate 1.) 50percent aq. MeOH, 10-20 deg C, 20 min, 2.) 50percent aq. MeOH, reflux, 1 h; Yield given. Multistep reaction;