boron trichloride in dichloromethane 1 h; Ambient temperature;

boron trichloride in dichloromethane 1 h; Ambient temperature;

aluminium trichloride in dichloromethane 3 h; Ambient temperature;

1.1: 89 percent / sodium phosphate dihydrate; hydrogen peroxide; sodium chlorite / acetonitrile; H2O / 8 h / 10 °C 2.1: 80 percent / NaOH; dibromodimethylhydantoin / H2O / 0.67 h / 20 °C 3.1: oxalyl chloride / dimethylformamide; CH2Cl2 / 1 h / Heating 3.2: 78 percent / NEt3 / CH2Cl2 / 5 h / 20 °C 4.1: 75 percent / NaH / dimethylformamide / 2 h / 20 °C 5.1: 50 percent / Pd(OAc)2; DPPP; K2CO3 / dimethylformamide / 8 h / Heating 6.1: 84 percent / LiAlH4 / tetrahydrofuran / 0.5 h / 20 °C View Scheme