hydrogenchloride; lithium diisopropyl amide 1) THF, -78 deg C; 2) r.t., 2 h; Yield given. Multistep reaction. Yields of byproduct given;

hydrogenchloride; zinc 1) benzene, reflux; 2) r.t., 2 h; Yield given. Multistep reaction. Yields of byproduct given;