A process for the preparation of freeze-dried 2-[(3-aminopropyl)amino]ethanethiol including the following steps: a) the reaction of a solution of amifostine with a strong acid, to obtain a solution of 2-[(3-aminopropyl)amino]ethanethiol, and b) the freeze-drying of the solution of 2-[(3-aminopropyl)amino]ethanethiol, with or without addition of excipients.
一种制备冻干 2-[(3-
氨基丙基)
氨基]
乙硫醇的工艺,包括以下步骤:a) 将阿米福星溶液与强酸反应,得到 2-[(3-
氨基丙基)
氨基]
乙硫醇溶液;b) 将 2-[(3-
氨基丙基)
氨基]
乙硫醇溶液冻干,可添加或不添加赋形剂。