sodium methylate in benzene

1: 91 percent 2: 82 percent / triethylamine View Scheme

1: 96 percent 2: 78 percent / triethylamine View Scheme

pyridine Yield given;

1: pyridine 2: 67 percent / hydrogen, triethylamine / PtO2 / propan-2-ol 3: Michael condensation 4: 3.2 g / 20percent aq. KOH View Scheme

1: pyridine 2: 67 percent / hydrogen, triethylamine / PtO2 / propan-2-ol 3: Michael condensation 4: 3.2 g / 20percent aq. KOH 5: 1.) ethyl chloroformate, triethylamine, 2.) sodium azide / 1.) acetone, 0 deg C, 30 min, 2.) H2O, 0 deg C, 1 h View Scheme