1: 60.7 percent / triethylamine / CH2Cl2 / 1 h 2: 1. H2, 2. K3Fe(CN)6 / 1. 10percent Pd/C / 1. MeOH, atmospheric pressure, room temp., 2. MeOH, phosphate buffer of pH7, ice cooling, 2-3h View Scheme

hydrogen; potassium hexacyanoferrate(III); palladium on activated charcoal 1. MeOH, atmospheric pressure, room temp., 2. MeOH, phosphate buffer of pH7, ice cooling, 2-3h; Yield given;