quinoline; Lindlar's catalyst; hydrogen in ethanol P=760 Torr; 4.5 h; Ambient temperature;

1: N-bromosuccinimide 2: 55 percent / NaN3, Adogen 464 / CCl4; H2O / 19 h / Ambient temperature 3: 6 percent / Lindlar catalyst, quinoline, H2 / ethanol / 4.5 h / 760 Torr / Ambient temperature View Scheme

1: 55 percent / NaN3, Adogen 464 / CCl4; H2O / 19 h / Ambient temperature 2: 6 percent / Lindlar catalyst, quinoline, H2 / ethanol / 4.5 h / 760 Torr / Ambient temperature View Scheme