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    • 88. 发明公开
    • 새로운 아이소소바이드 유도체의 제조방법
    • 制备异构体衍生物的新方法
    • KR1020130130350A
    • 2013-12-02
    • KR1020120054087
    • 2012-05-22
    • 한국생산기술연구원
    • 김백진김상용신승한조진구이승윤김병철
    • C07D493/04B01J27/04
    • C07D493/04B01J27/053
    • Disclosed is a method for preparing a novel isosorbide derivate. The present invention provides a method for preparing isosorbide by making isosorbide react with a hydroxybenzoic acid derivative under the presence of an aprotic polar solvent and a sulfonic acid catalyst. The method can minimize the generation of byproducts to improve purity, and significantly increase the yield of the isosorbide derivate even when a simple process by precipitation without separation through chromatography. [Reference numerals] (AA) START;(BB) Mix isosorbide, a hydroxybenzoic acid derivative, a sulfonic acid catalyst, and an aprotic polar solvent, followed by reaction;(CC) Step a;(DD) Precipitate formed;(EE) Step b;(FF) Precipitate filtering;(GG) Step c;(HH) END
    • 公开了一种制备新型异山梨醇衍生物的方法。 本发明提供了在非质子极性溶剂和磺酸催化剂的存在下使异山梨醇与羟基苯甲酸衍生物反应制备异山梨醇的方法。 该方法可以最小化副产物的产生以提高纯度,并且即使通过沉淀而不通过色谱法分离的简单方法也可显着提高异山梨醇衍生物的产率。 (AA)START;(BB)混合异山梨醇,羟基苯甲酸衍生物,磺酸催化剂和非质子极性溶剂,随后反应;(CC)步骤a;(DD)形成沉淀物;(EE) 步骤b;(FF)沉淀过滤;(GG)步骤c;(HH)END