N-bromosuccinmide in dichloromethane Ambient temperatureovernight;

1: 2-methyl-propan-2-ol / 48 h / 50 °C 2: 57 percent / N-bromosuccinimide / CH2Cl2 / Ambient temperature; overnight View Scheme

1: 11.12 g / tetrahydrofuran / 3 h / 60 °C 2: 2-methyl-propan-2-ol / 48 h / 50 °C 3: 57 percent / N-bromosuccinimide / CH2Cl2 / Ambient temperature; overnight View Scheme