1: 95 percent / K2CO3 / acetone / Heating 2: 4-dimethylaminopyridine / acetonitrile 3: 95 percent / N-bromosuccinimide / acetonitrile 4: 1.) BuLi, 2.) B(OMe)3, 3.) alkaline H2O2 5: 98 percent / 180 - 190 °C View Scheme

1: 95 percent / K2CO3 / acetone / Heating 2: 4-dimethylaminopyridine / acetonitrile 3: 95 percent / N-bromosuccinimide / acetonitrile 4: 1.) BuLi, 2.) B(OMe)3, 3.) alkaline H2O2 5: 98 percent / 180 - 190 °C 6: 94 percent / K2CO3 / acetone / Heating View Scheme