potassium tert-butylate in various solvent(s) T=0°C; 1 h;

1: 87 percent / 1,2-epoxybutane / various solvent(s) / 1.5 h / 50 °C 2: 95 percent / various solvent(s); CH2Cl2 / 18 h / Heating 3: 82 percent / t-BuOK / various solvent(s) / 1 h / 0 °C View Scheme

1: 95 percent / various solvent(s); CH2Cl2 / 18 h / Heating 2: 82 percent / t-BuOK / various solvent(s) / 1 h / 0 °C View Scheme