hydrogen; palladium on activated charcoal in methanol P=1838.8 Torr; 5 h;

1: 74 percent / glacial acetic acid, methylamine hydrochloride, sodium acetate / 1.5 h / 100 °C 2: 74 percent / piperidine / methanol / 1.) room temp., 1 h, 2.) reflux, 2 h 3: 92 percent / H2 / 10percent Pd/C / methanol / 5 h / 1838.8 Torr View Scheme

1: 74 percent / piperidine / methanol / 1.) room temp., 1 h, 2.) reflux, 2 h 2: 92 percent / H2 / 10percent Pd/C / methanol / 5 h / 1838.8 Torr View Scheme