pyridine

1: 50 percent / potassium chlorate, acetic acid, osmium tetraoxide / ethanol; H2O / 24 h / Ambient temperature 2: 1.) acetic acid, water, 2.) copper sulfate, toluene-p-sulfonic acid / 1.) 1,5h, 50 deg C, 2.) 24h 3: 84 percent / pyridine View Scheme

1: 1.) acetic acid, water, 2.) copper sulfate, toluene-p-sulfonic acid / 1.) 1,5h, 50 deg C, 2.) 24h 2: 84 percent / pyridine View Scheme

1: 37 percent / potassium chlorate, acetic acid, osmium tetraoxide / ethanol; H2O / 24 h / Ambient temperature 2: 1.) acetic acid, 2.) sodium hydroxide / 1.) 1h, 40 deg C, 2.) 1h, 50 deg C 3: 86 percent / pyridine / 0 °C View Scheme

1: 356 mg / sodium hydroxide / H2O / 1 h / 40 °C 2: 80 percent / pyridine View Scheme