tert-butyl 2-(1H-tetrazol-5-ylcarbamoyl)-2-ethylhydrazinecarboxylate 在
乙酸乙酯 作用下,
以
ethyl acetate hydrochloride 为溶剂,
反应 0.5h,
以to afford the compound 1-ethyl-N-(1H-tetrazol-5-yl)hydrazinecarboxamide (49A) (100 mg) as a white solid的产率得到1-ethyl-N-(1H-tetrazol-5-yl)hydrazinecarboxamide