hydroxylamine hydrochloride; sodium acetate in ethanol 14 h; Heating;

1: 91 percent / n-BuLi / hexane; tetrahydrofuran / 1.) ice cooling, 30 min, 2.) room temperature, 14 h 2: n-BuLi / 1.) hexane, THF, -78 deg C, 0.5 h, 2.) -78 deg C, 1 h, room temperature, 1 h 3: 85 percent / NH2OH*HCl, NaOAc / ethanol / 14 h / Heating View Scheme

1: n-BuLi / 1.) hexane, THF, -78 deg C, 0.5 h, 2.) -78 deg C, 1 h, room temperature, 1 h 2: 85 percent / NH2OH*HCl, NaOAc / ethanol / 14 h / Heating View Scheme