1: 90 percent / quinoline; H2 / Lindlar's catalyst / hexane 2: 60 percent / pyridinium chlorochromate, NaOAc / CH2Cl2 / 2 h / 10 °C 3: 80 percent / diethyl ether / 1.) stirring, 2 h, 2.) left overnight, 3.) reflux, 2 h 4: 50 percent / mercuric acetate / 16 h / Heating View Scheme

mercury(II) diacetate 16 h; Heating;

1: 60 percent / pyridinium chlorochromate, NaOAc / CH2Cl2 / 2 h / 10 °C 2: 80 percent / diethyl ether / 1.) stirring, 2 h, 2.) left overnight, 3.) reflux, 2 h 3: 50 percent / mercuric acetate / 16 h / Heating View Scheme

1: 80 percent / diethyl ether / 1.) stirring, 2 h, 2.) left overnight, 3.) reflux, 2 h 2: 50 percent / mercuric acetate / 16 h / Heating View Scheme