申请人:Dobrovolny Petr
公开号:US20090306387A1
公开(公告)日:2009-12-10
The method of manufacturing of 7-ethyl-10-hydroxycamptothecin of formula I characterized in that 7-ethyl-1,2,6,7-tetrahydrocampotothecin of formula IV is oxidized with an oxidizing agent selected from the group comprising iodosobenzene, an ester of iodosobenzene, sodium periodate, potassium periodate, potassium peroxodisulfate and ammonium peroxodisulfate, in a solvent formed by a saturated aliphatic monocarboxylic add containing 1 to 3 carbon atoms, and in the presence of water.
公式I的7-乙基-10-羟基喜树碱的制备方法的特征在于,使用从以下组合中选择的氧化剂,包括碘代苯、碘代苯酯、过碘酸钠、过碘酸钾、过氧二硫酸钾和过氧二硫酸铵,将公式IV的7-乙基-1,2,6,7-四氢喜树碱在含有1至3个碳原子的饱和脂肪族一元羧酸的溶剂中氧化,并在水的存在下进行。