copper in quinoline 1 h; Heating; Yield given;

1: pyridine 2: 1.) polyphosphoric acid, 2.) 10percent sodium hydroxide solution; conc. HCl / 1.) chlorobenzene, reflux, 2.) reflux 3: 42 percent / triethylamine; 10percent HCl / acetic anhydride / Heating 4: iodine / benzene; cyclohexane / 4 h / Irradiation 5: powdered copper / quinoline / 1 h / Heating View Scheme

1: 42 percent / triethylamine; 10percent HCl / acetic anhydride / Heating 2: iodine / benzene; cyclohexane / 4 h / Irradiation 3: powdered copper / quinoline / 1 h / Heating View Scheme

1: 1.) polyphosphoric acid, 2.) 10percent sodium hydroxide solution; conc. HCl / 1.) chlorobenzene, reflux, 2.) reflux 2: 42 percent / triethylamine; 10percent HCl / acetic anhydride / Heating 3: iodine / benzene; cyclohexane / 4 h / Irradiation 4: powdered copper / quinoline / 1 h / Heating View Scheme

1: iodine / benzene; cyclohexane / 4 h / Irradiation 2: powdered copper / quinoline / 1 h / Heating View Scheme