1: 25 percent / N-bromosuccinimide, 2,2'-azobisisobutyronitrile / CCl4 / 5 h / Heating 2: NH2OH*HCl / CHCl3; methanol / 4 h / Ambient temperature View Scheme

hydroxylamine hydrochloride in methanol; chloroform 4 h; Ambient temperature; Yield given. Yields of byproduct given. Title compound not separated from byproducts;

hydroxylamine hydrochloride; potassium carbonate 1.) CHCl3, MeOH, RT, 4 h, 2.) DMF, RT, 30 min; Yield given. Multistep reaction;