Process for preparing aminobenzoylbenzofuran derivatives
    1.
    发明授权
    Process for preparing aminobenzoylbenzofuran derivatives 有权
    制备氨基苯甲酰基苯并呋喃衍生物的方法

    公开(公告)号:US08884033B2

    公开(公告)日:2014-11-11

    申请号:US13742816

    申请日:2013-01-16

    申请人: Sanofi

    CPC分类号: A61K31/343 C07D307/80

    摘要: The disclosure relates to a process for preparing 5-aminobenzoylbenzofuran derivatives of formula I: in which R1 and R2 are as defined in the disclosure; by reduction of a 5-nitrobenzofuran derivative of formula II: using a hydrogen transfer agent, in the presence of palladium-on-charcoal as catalyst and in an ether or an ether mixture as solvent.

    摘要翻译: 本公开涉及制备式I的5-氨基苯甲酰基苯并呋喃衍生物的方法:其中R 1和R 2如本公开中所定义; 通过还原式II的5-硝基苯并呋喃衍生物:使用氢转移剂,在钯/炭作为催化剂存在下,在醚或醚混合物中作为溶剂。

    Method of synthesis of ferroquine by convergent reductive amination
    2.
    发明授权
    Method of synthesis of ferroquine by convergent reductive amination 有权
    通过会聚还原胺化合成铁基的方法

    公开(公告)号:US08497375B2

    公开(公告)日:2013-07-30

    申请号:US13709710

    申请日:2012-12-10

    申请人: Sanofi

    IPC分类号: C07F15/00

    CPC分类号: C07F17/02

    摘要: The invention relates to a method of synthesis of ferroquine of formula (F) or of its metabolite of formula (Fm): comprising a reaction of reductive amination, said reaction comprising: (i) a stage of condensation of an aldehyde-amino ferrocene of formula (III), in which R represents a hydrogen atom or a methyl group, with 7-chloroquinolin-4-amine as shown below, followed by (ii) a stage of reduction of the product of condensation obtained in the preceding stage and (iii) then a stage of hydrolysis of the reaction mixture in the presence of an aqueous solution of ammonia or of citric acid.

    摘要翻译: 本发明涉及一种合成式(F)的铁基或其式(Fm)的代谢物的方法:包括还原胺化的反应,所述反应包括:(i)醛 - 氨基二茂铁的缩合阶段 其中R表示氢原子或甲基的式(III)表示如下所示的7-氯喹啉-4-胺,其后是(ii)在前一阶段获得的缩合产物的还原阶段和( iii)然后在氨水或柠檬酸水溶液存在下水解反应混合物的阶段。