1: CH2Cl2 2: 1.) Hydroxylammoniumchlorid, 2.) HCl / 1.) CH2Cl2, room temp., 20 min, 2.) ether, 10 min View Scheme

hydrogenchloride; hydroxylamine hydrochloride 1.) CH2Cl2, room temp., 20 min, 2.) ether, 10 min; Yield given. Multistep reaction;