hydrogen; palladium in acetic acid 48 h; Yield given;

Multi-step reaction with 3 steps 1: pyridinium chlorochromate / CH2Cl2 / 2 h / Ambient temperature2: 78 percent / sodium borohydride / ethanol / 1 h / 0 °C3: 1.) aq. trifluoroacetic acid; 2.) sodium brohydride / 1.) room temp., 30 min.; 2.) aq. ethanol, room temp., 15 min.  

Multi-step reaction with 2 steps 1: 78 percent / sodium borohydride / ethanol / 1 h / 0 °C2: 1.) aq. trifluoroacetic acid; 2.) sodium brohydride / 1.) room temp., 30 min.; 2.) aq. ethanol, room temp., 15 min.  

With  sodium tetrahydroborate; trifluoroacetic acid  1.) room temp., 30 min.; 2.) aq. ethanol, room temp., 15 min.;  Yield given. Multistep reaction;