potassium permanganate in water 1 h; Heating;

1: 84.5 percent / AlCl3 / 1,2-dichloro-ethane / 2.5 h / -20 - 20 °C 2: 89 percent / Br2 / CHCl3 / 2 h / Ambient temperature 3: 1.) diethylamine, 2.) conc. HCl / 1.) i-Pr-OH, RT, 6 h, 2.) i-PrOH View Scheme

1: 89 percent / Br2 / CHCl3 / 2 h / Ambient temperature 2: 1.) diethylamine, 2.) conc. HCl / 1.) i-Pr-OH, RT, 6 h, 2.) i-PrOH View Scheme

hydrogenchloride; diethylamine 1.) i-Pr-OH, RT, 6 h, 2.) i-PrOH; Yield given. Multistep reaction;