hydrogen; palladium on activated charcoal in tetrahydrofuran T=25°C;

1: 1.) diispropylethylamine, 2.) K2CO3 / 1.) 140 deg C, 5 h, 2.) EtOH, reflux, 72 h 2: 80 percent / H2 / 10percent Pd/C / ethanol / 16 h / 2016.9 Torr / Ambient temperature View Scheme