hydroxylamine hydrochloride; triethylamine 4 h; Heating;

1: 97 percent / Et3N / CH2Cl2 / 0.25 h / Ambient temperature 2: 85 percent / NH2OH*HCl, Et3N / 4 h / Heating View Scheme

1: 83 percent / LiAlH4 / diethyl ether / 6 h / Heating 2: 97 percent / Et3N / CH2Cl2 / 0.25 h / Ambient temperature 3: 85 percent / NH2OH*HCl, Et3N / 4 h / Heating View Scheme