tert-butylhypochlorite in tetrahydrofuran T=20 - 25°C; 0.5 h;

1: 92 percent / tert-butyl hypochlorite / tetrahydrofuran / 0.5 h / 20 - 25 °C 2: 76 percent / 5percent NaOH / diethyl ether View Scheme