1: 75.5 percent / diethyl ether / 2 h / Heating 2: 70 percent / P4O10 / benzene / Heating 3: 1.) NBS, azobisisobutyronitrile, 2.) quinoline / 1.) CCl4, 2.) 110 deg C View Scheme

1: 70 percent / P4O10 / benzene / Heating 2: 1.) NBS, azobisisobutyronitrile, 2.) quinoline / 1.) CCl4, 2.) 110 deg C View Scheme

quinoline; N-bromosuccinmide; 2,2'-azo-bisisobutyronitrile 1.) CCl4, 2.) 110 deg C; Yield given. Multistep reaction. Yields of byproduct given;