potassium hydroxide in diethylene glycol 2 h; Heating;

1: 8 percent / KOH / bis-(2-hydroxy-ethyl) ether / 2 h / Heating 2: 50 percent / KOH / bis-(2-hydroxy-ethyl) ether / 160 °C / Heating; reflux 2 h, cooled, dil. HCl, ether extr., washed: water, dried, solvent distillation, chromatographed, petrol and benzene:petrol (2:3) elution View Scheme

hydrogen; platinum(IV) oxide in acetic acid

potassium hydroxide in diethylene glycol 2 h; Heating;