pyridine; hydrogen; palladium on activated charcoal in benzene T=25°C; P=760 Torr; 1 h; Yield given. Yields of byproduct given;

1: H2 / 10percent Pd/C / ethanol / 760 Torr 2: 1) K2CO3, 2) triethylamine / 1) benzene, CH2Cl2, 25 deg C, 2 h, 2) CH2Cl2, 7 days View Scheme