会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 7. 发明申请
    • METHOD FOR PRODUCING 2-NITROIMIDAZOLE DERIVATIVE
    • 生产2-硝基咪唑衍生物的方法
    • US20100004460A1
    • 2010-01-07
    • US12522926
    • 2008-01-17
    • Azuma Nishio
    • Azuma Nishio
    • C07D233/91
    • C07D233/91A61K51/0453
    • It is an object to provide a method for producing a 2-nitroimidazole derivative having an acyclic sugar chain in a side chain, which is suitable for production of a derivative having a radioisotope.A method for producing 1-(1-benzoyloxymethyl-2-hydroxyethyl)oxymethyl-2-nitroimidazole, characterized by reacting glycerin with a benzoylating agent to obtain 1-O-benzoylglycerin, reacting 1-O-benzoylglycerin with dimethoxymethane in the presence of a dehydrating agent to obtain 4-benzoyloxymethyl-1,3-dioxolane, and then reacting this product with 2-nitroimidazole or 2-nitro-1-trialkylsilylimidazole in the presence of a Lewis acid.
    • 本发明的目的是提供一种用于制备侧链中具有无环糖链的2-硝基咪唑衍生物的方法,其适用于制备具有放射性同位素的衍生物。 1-(1-苯甲酰氧基甲基-2-羟乙基)氧基甲基-2-硝基咪唑的制备方法,其特征在于使甘油与苯甲酰化试剂反应,得到1-O-苯甲酰甘油,使1-O-苯甲酰甘油与二甲氧基甲烷在 脱水剂,得到4-苯甲酰氧基甲基-1,3-二氧戊环,然后在路易斯酸存在下使该产物与2-硝基咪唑或2-硝基-1-三烷基甲硅烷基咪唑反应。