PROCESS FOR THE SYNTHESIS OF AMINAPHTONE
    2.
    发明申请
    PROCESS FOR THE SYNTHESIS OF AMINAPHTONE 有权
    氨基酸合成方法

    公开(公告)号:US20140323747A1

    公开(公告)日:2014-10-30

    申请号:US14263911

    申请日:2014-04-28

    摘要: The present invention concerns a new process for the synthesis of aminaphtone, which makes use of non-toxic solvents and reagents, under mild reaction and temperature conditions. The aminaphtone obtained with the method of the present invention also has a purity of at least 98% in weight. The method comprises the following steps: a) epoxidating menadione 1 to provide epoxide 2, b) acidifying epoxide 2 to provide hydroxynaphthoquinone 3, c) esterifying between hydroxynaphthoquinone 3 and 4-aminobenzoyl chloride to obtain compound 4, and d) reducing compound 4 in the presence of a reducing agent in water to obtain aminaphtone.

    摘要翻译: 本发明涉及在温和的反应和温度条件下合成使用无毒溶剂和试剂的氨基茶碱的新方法。 用本发明方法得到的氨基茶碱的纯度至少为98重量%。 该方法包括以下步骤:a)环氧化甲萘醌1以提供环氧化物2,b)酸化环氧化物2以提供羟基萘醌3,c)在羟基萘醌3和4-氨基苯甲酰氯之间酯化得到化合物4,和d)还原化合物4在 在水中存在还原剂以获得氨基喋呤。