sulfuric acid T=80°C; 0.166667 h;

1: 1) NaH / 1) toluene, 80 deg C, 30 min, 2) toluene, 80 deg C, 30 min 2: 106 g / MCPBA / CH2Cl2 / 2 h / Ambient temperature 3: 88 percent / Et3N / 1 h / Heating 4: 71 percent / conc. H2SO4 / 0.17 h / 80 °C View Scheme

1: 106 g / MCPBA / CH2Cl2 / 2 h / Ambient temperature 2: 88 percent / Et3N / 1 h / Heating 3: 71 percent / conc. H2SO4 / 0.17 h / 80 °C View Scheme

1: 88 percent / Et3N / 1 h / Heating 2: 71 percent / conc. H2SO4 / 0.17 h / 80 °C View Scheme