hydrogenchloride in Petroleum ether T=27°C; 4.25 h;

1: 1.) SnCl4, 2.) Raney Ni / 1.) CH2Cl2, room temp., 1 h, 2.) acetone, ethanol, room temp., 1 h 2: 1.) SnCl4, 2.) Raney Ni / 1.) CH2Cl2, room temp., 1 h, 2.) acetone, ethanol, room temp., 1 h View Scheme

tin(IV) chloride; nickel 1.) CH2Cl2, room temp., 1 h, 2.) acetone, ethanol, room temp., 1 h; Yield given. Multistep reaction. Yields of byproduct given;