1: 80 percent / AlCl3 / 1,2-dichloro-ethane / 36 h 2: 80 percent / H2O, KOH / methanol / 3 h / Heating 3: thionylchloride / 3 h / Heating 4: 65 percent / petroleum ether / 29 h / Ambient temperature 5: 42 percent / acetonitrile / 11 h / Heating View Scheme

1: 80 percent / AlCl3 / 1,2-dichloro-ethane / 36 h 2: 80 percent / H2O, KOH / methanol / 3 h / Heating 3: thionylchloride / 3 h / Heating 4: 65 percent / petroleum ether / 29 h / Ambient temperature 5: 42 percent / acetonitrile / 11 h / Heating View Scheme

1: thionylchloride / 3 h / Heating 2: 65 percent / petroleum ether / 29 h / Ambient temperature 3: 42 percent / acetonitrile / 11 h / Heating View Scheme

1: 80 percent / H2O, KOH / methanol / 3 h / Heating 2: thionylchloride / 3 h / Heating 3: 65 percent / petroleum ether / 29 h / Ambient temperature 4: 42 percent / acetonitrile / 11 h / Heating View Scheme

in acetonitrile 11 h; Heating;

1: 65 percent / petroleum ether / 29 h / Ambient temperature 2: 42 percent / acetonitrile / 11 h / Heating View Scheme