hydrogen; potassium hexacyanoferrate(III); palladium on activated charcoal 1.) ethyl acetate, room temperature, atm. pressure, 2.) aq. MeOH, phosphate buffer pH 7, 2-3 h; Yield given. Multistep reaction;

1: 1.) NaH / 1.) benzene, reflux, 2.) room temperature 2: 1.) H2, 2.) K3<Fe(CN)6> / 1.) 10percent Pd/C / 1.) ethyl acetate, room temperature, atm. pressure, 2.) aq. MeOH, phosphate buffer pH 7, 2-3 h View Scheme