1-{3-[4-(3-tert-butoxycarbonylaminopropyl)-tert-butoxycarbonylaminobutyl]-tert-butoxycarbonylaminopropyl}-3-[9-(4-hydroxy-3,5-dimethoxyphenyl)-8-oxo-5,5a,6,8,8a,9-hexahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxol-5-yl]-urea 在
盐酸 作用下,
以
异丙醇 为溶剂,
反应 6.0h,
以78%的产率得到1-{3-[4-(3-aminopropylamino)-butylamino]-propyl}-3-[9-(4-hydroxy-3,5-dimethoxyphenyl)-8-oxo-5,5a,6,8,8a,9-hexahydrofuro[3',4':6,7]-naphtho[2,3-d][1,3]dioxol-5-yl]-urea hydrochloride