Process for the purification of rufinamide
    1.
    发明授权
    Process for the purification of rufinamide 有权
    Rufinamide净化方法

    公开(公告)号:US08461190B2

    公开(公告)日:2013-06-11

    申请号:US13451651

    申请日:2012-04-20

    IPC分类号: A61K31/41 C07D249/00

    CPC分类号: C07D249/04

    摘要: A process for purifying Rufinamide, comprising: a) providing a dispersion of crude 1-[(2,6-difluorophenyl)methyl]-1H-1,2,3-triazole-4-carboxamide in a solvent mixture containing at least a carboxylic acid, and dissolving it; b) slowly cooling the solution to precipitate Rufinamide crystalline form A; and c) recovering the solid.

    摘要翻译: 一种用于纯化Rufinamide的方法,包括:a)提供粗制的1 - [(2,6-二氟苯基)甲基] -1H-1,2,3-三唑-4-甲酰胺在含有至少一种羧酸 酸,并溶解; b)缓慢冷却溶液以沉淀Ruformamide结晶形式A; 和c)回收固体。

    Process for the Preparation of (S)(+)-3-(Aminomethyl)-5-Methylhexanoic Acid
    2.
    发明申请
    Process for the Preparation of (S)(+)-3-(Aminomethyl)-5-Methylhexanoic Acid 审中-公开
    (S)(+) - 3-(氨基甲基)-5-甲基己酸的制备方法

    公开(公告)号:US20090143615A1

    公开(公告)日:2009-06-04

    申请号:US12327191

    申请日:2008-12-03

    IPC分类号: C07C229/04 C07C243/10

    摘要: A process for the preparation of a compound of formula (I), comprising:a) the reaction of a compound of formula (II) with hydrazine to obtain a compound of formula (III), b) the conversion of a compound of formula (III) by rearrangement via formation of nitrene/isocyanate, in a solvent of formula R1—OH, wherein R1 is as herein defined, to obtain a compound of formula (IV); c) the enantiomeric enrichment of a compound of formula (IV) to obtain the enantiomer (S) of a compound of formula (V) d) the hydrolysis of a compound of formula (V).

    摘要翻译: 一种制备式(I)化合物的方法,包括:a)式(II)化合物与肼的反应得到式(III)化合物,b)式(I)化合物 III)通过在式R 1 -OH的溶剂中通过形成硝酸/异氰酸酯重排,其中R 1如本文所定义,以获得式(IV)的化合物; c)式(Ⅳ)化合物的对映异构体富集,得到式(Ⅴ)化合物的对映异构体(S); d)式(Ⅴ)化合物的水解。

    Process for the synthesis of pregabalin
    3.
    发明授权
    Process for the synthesis of pregabalin 失效
    合成普瑞巴林的方法

    公开(公告)号:US08063244B2

    公开(公告)日:2011-11-22

    申请号:US12770044

    申请日:2010-04-29

    IPC分类号: C07C229/00 C07B53/00

    CPC分类号: C07C229/08 C07C227/04

    摘要: A process for the preparation of a compound of formula (I) is disclosed, which comprises: a) the reaction of a compound of formula (II) with zinc azide of formula (III) Zn(N3)2  (III) in the presence of a solvent of formula R1—OH, wherein R1 is herein defined, to obtain a compound of formula (IV), b) its conversion into a compound of formula (V); c) its enantiomeric enrichment to obtain the (S) enantiomer of formula (VI); and d) the hydrolysis thereof.

    摘要翻译: 公开了制备式(I)化合物的方法,其包括:a)在存在下使式(II)化合物与式(III)的叠氮化锌(N 3)2(III) 的式R 1 -OH的溶剂,其中R 1在本文中定义,以获得式(IV)的化合物,b)其转化为式(V)的化合物; c)其对映体富集以获得式(VI)的(S)对映异构体; 和d)其水解。

    PROCESS FOR THE SYNTHESIS OF PREGABALIN
    4.
    发明申请
    PROCESS FOR THE SYNTHESIS OF PREGABALIN 失效
    合成前列腺素的方法

    公开(公告)号:US20100292506A1

    公开(公告)日:2010-11-18

    申请号:US12770044

    申请日:2010-04-29

    IPC分类号: C07C227/32

    CPC分类号: C07C229/08 C07C227/04

    摘要: A process for the preparation of a compound of formula (I) is disclosed, which comprises: a) the reaction of a compound of formula (II) with zinc azide of formula (III) Zn(N3)2  (III) in the presence of a solvent of formula R1—OH, wherein R1 is herein defined, to obtain a compound of formula (IV), b) its conversion into a compound of formula (V); c) its enantiomeric enrichment to obtain the (S) enantiomer of formula (VI); and d) the hydrolysis thereof.

    摘要翻译: 公开了制备式(I)化合物的方法,其包括:a)在存在下使式(II)化合物与式(III)的叠氮化锌(N 3)2(III) 的式R 1 -OH的溶剂,其中R 1在本文中定义,以获得式(IV)的化合物,b)其转化为式(V)的化合物; c)其对映体富集以获得式(VI)的(S)对映异构体; 和d)其水解。