lithium aluminium tetrahydride in tetrahydrofuran T=0°C; 3 h;

1: 5.9 g / 1.) LDA / tetrahydrofuran / 1.) -10 deg C, 1 min, 2.) 30 min 2: lithium aluminum hydride / tetrahydrofuran / 3 h / 0 °C View Scheme