PROCESS TO PREPARE PHENOLIC ETHYLENEDIAMINE DIACETIC ACID COMPOUNDS
    2.
    发明申请
    PROCESS TO PREPARE PHENOLIC ETHYLENEDIAMINE DIACETIC ACID COMPOUNDS 审中-公开
    制备酚醛乙二胺二酸化合物的方法

    公开(公告)号:WO2016207266A1

    公开(公告)日:2016-12-29

    申请号:PCT/EP2016/064501

    申请日:2016-06-23

    IPC分类号: C07C227/16

    摘要: The present invention relates to a process to prepare N,N'-di(2-hydroxybenzyl) ethylenediamine-N,N'-diacetic acid and salts thereof (HBED) comprising a reaction between formaldehyde, ethylenediamine diacetic acid or a salt thereof (EDDA) and phenol, wherein the reaction mixture contains 0.2 to 1.1 molar equivalents of alkali metal ions on the basis of the molar amount of EDDA and the reaction mixture is processed by a step in which at least part of the organic compounds other than the formed HBED are removed from the reaction mixture, and optionally recycled, during which step at least 50% and up to and including 100% of the alkali metal ions in the reaction mixture are potassium ions, to products obtainable by such process and their use.

    摘要翻译: 本发明涉及一种制备N,N'-二(2-羟基苄基)乙二胺-N,N'-二乙酸及其盐(HBED)的方法,其包括甲醛,乙二胺二乙酸或其盐之间的反应(EDDA )和苯酚,其中基于EDDA的摩尔量,反应混合物含有0.2-1.1摩尔当量的碱金属离子,反应混合物通过其中至少部分除形成的HBED以外的有机化合物的步骤加工 从反应混合物中除去,并且任选地再循环,在该步骤期间,反应混合物中至少50%且至多且包括100%的碱金属离子为钾离子,可通过该方法及其用途获得的产物。

    MANUFACTURING PROCESS FOR SITAGLIPTIN FROM L-ASPARTIC ACID
    10.
    发明申请
    MANUFACTURING PROCESS FOR SITAGLIPTIN FROM L-ASPARTIC ACID 审中-公开
    来自L-天冬酰胺的西他汀的制备方法

    公开(公告)号:WO2012156888A1

    公开(公告)日:2012-11-22

    申请号:PCT/IB2012/052374

    申请日:2012-05-13

    发明人: SOUKUP, Milan

    摘要: The present invention relates to a novel manufacturing process of pharmaceutically active compound of formula (I) used as oral anti-diabetic drug. Starting from -aspartic acid derivate of formula (IV) the invention describes preparation of the chiral (R)-β-amino acid of formula (II) known as a precursor in the synthesis of Sitagliptin (Formula I). Formulae (I), (II) & (IV):

    摘要翻译: 本发明涉及用作口服抗糖尿病药物的式(I)药学活性化合物的新型制造方法。 从式(IV)的天冬氨酸衍生物开始,本发明描述了在西他列汀(式I)的合成中称为前体的式(II)的手性(R)-β-氨基酸的制备。 式(I),(II)和(IV):