1: 1) 2percent LiClO4 2) 5percent KOH / 1) anodic oxidation, 0 deg C, 2 h 2) THF, 3 h 2: 1) i-Pr2NH 2) 5percent HCl / 1) THF, -78 deg C, 40 min 2) r.t., 10 min View Scheme

 1) electrochemical reaction, anodic oxidation 2) 5percent KOH, THF, 5h, R.T.;  Yield given. Multistep reaction;