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;