dihydrogen peroxide; 1,1'-carbonyldiimidazole 1) tetrahydrofuran, 1.5 h, room temperature, 2) 3h, room temperature; Yield given. Multistep reaction;

1: 94 percent / H2 / Lindlar catalyst / hexane; quinoline / 760 Torr 2: 96 percent / 6N NaOH / ethanol / 1.) 70 deg C, 2 h, 2.) 85-90 deg C 3: 99 percent / pyridine / 1 h / 145 °C 4: 1) N,N'-carbonyldiimadazole, 2) H2O2 / 1) tetrahydrofuran, 1.5 h, room temperature, 2) 3h, room temperature View Scheme

sodium peroxide; water in diethyl ether Yield given;

1: 96 percent / 6N NaOH / ethanol / 1.) 70 deg C, 2 h, 2.) 85-90 deg C 2: 99 percent / pyridine / 1 h / 145 °C 3: 1) N,N'-carbonyldiimadazole, 2) H2O2 / 1) tetrahydrofuran, 1.5 h, room temperature, 2) 3h, room temperature View Scheme

1: 99 percent / pyridine / 1 h / 145 °C 2: 1) N,N'-carbonyldiimadazole, 2) H2O2 / 1) tetrahydrofuran, 1.5 h, room temperature, 2) 3h, room temperature View Scheme