bromine in chloroform 24 h;

1: 1.) aluminium chloride, 2.) 5M-hydrochloric acid / 1.) nitrobenzene, room temp., overnight, 2.) nitrobenzene, water, 0 deg C, 30 min 2: 87.7 percent / lithium aluminium hydride, aluminium chloride 3: 77.2 percent / bromine / CHCl3 / 24 h View Scheme

1: 87.7 percent / lithium aluminium hydride, aluminium chloride 2: 77.2 percent / bromine / CHCl3 / 24 h View Scheme

1: 1.) aluminium chloride, 2.) 5M-hydrochloric acid / 1.) nitrobenzene, room temp., overnight, 2.) nitrobenzene, water, 0 deg C, 30 min 2: 87.7 percent / lithium aluminium hydride, aluminium chloride 3: 77.2 percent / bromine / CHCl3 / 24 h View Scheme