lithium aluminium tetrahydride in diethyl ether 24 h; Heating;

1: 2.) N-chlorosuccinimide, 3.) ethyldiisopropylamine / 1.) acetone, 2.) acetonitrile, -20 deg C, 5 min, 3.) acetonitrile, 80 deg C, 3 h 2: 56 percent / 170 - 180 °C / 0.01 Torr 3: 43 percent / LiAlH4 / diethyl ether / 24 h / Heating View Scheme

1: 2.) N-chlorosuccinimide, 3.) ethyldiisopropylamine / 1.) acetone, 2.) acetonitrile, -20 deg C, 5 min, 3.) acetonitrile, 80 deg C, 3 h 2: 56 percent / 170 - 180 °C / 0.01 Torr 3: 43 percent / LiAlH4 / diethyl ether / 24 h / Heating View Scheme

1: 56 percent / 170 - 180 °C / 0.01 Torr 2: 43 percent / LiAlH4 / diethyl ether / 24 h / Heating View Scheme