Process for obtaining dronedarone
    31.
    发明授权
    Process for obtaining dronedarone 有权
    获得决奈达隆的方法

    公开(公告)号:US08927743B2

    公开(公告)日:2015-01-06

    申请号:US13880162

    申请日:2011-10-18

    IPC分类号: C07D307/80 C07D307/81

    摘要: The present invention provides a process for obtaining dronedarone or salts thereof characterized in that in an organic phase comprising one or more non-polar solvents, 5-amino-3-[4-(3-di-n-butylaminopropoxy)benzoyl]-2-n-butyl-benzofuran is reacted with methane sulfonyl chloride without the addition of a base. The invention also provides a process for obtaining intermediates of dronedarone environmentally friendly and industrially viable.

    摘要翻译: 本发明提供了一种获得决奈达隆或其盐的方法,其特征在于在包含一种或多种非极性溶剂的有机相中,5-氨基-3- [4-(3-二正丁基氨基丙氧基)苯甲酰基] -2 - 丁基 - 苯并呋喃与甲磺酰氯反应而不添加碱。 本发明还提供一种获得决奈达隆环境友好和工业上可行的中间体的方法。

    PROCESS FOR PREPARATION OF DRONEDARONE BY REMOVAL OF HYDROXYL GROUP
    32.
    发明申请

    公开(公告)号:US20150005515A1

    公开(公告)日:2015-01-01

    申请号:US14376605

    申请日:2013-02-01

    申请人: SANOFI

    IPC分类号: C07D307/80

    摘要: The invention relates to a process for preparation of dronedarone of formula (I) and pharmaceutically acceptable salts thereof characterized in that from the compound of formula (II). the hydroxyl group is removed, and the obtained product is isolated and, if desired, converted into a pharmaceutically acceptable salt thereof.

    摘要翻译: 本发明涉及式(I)的决奈达隆及其药学上可接受的盐的制备方法,其特征在于由式(II)化合物制备。 除去羟基,分离得到的产物,如果需要,转化为其药学上可接受的盐。

    Process for preparing aminobenzofuran derivatives
    35.
    发明授权
    Process for preparing aminobenzofuran derivatives 有权
    制备氨基苯并呋喃衍生物的方法

    公开(公告)号:US08686180B2

    公开(公告)日:2014-04-01

    申请号:US13628867

    申请日:2012-09-27

    申请人: SANOFI

    IPC分类号: C07C229/00

    摘要: This disclosure relates to a process for preparing 5-aminobenzofuran derivatives of general formula (I): in which R1 and R2 are as defined in the description, by treating a 5-N-alkylamidobenzofuran derivative of general formula (II): in which R1, R2, and R3 are as defined in the description, with a strong acid, so as to form an acid addition salt of the compound of formula (I), which salt is itself treated, if necessary, with a basic agent so as to form this compound of formula (I) in free base form.

    摘要翻译: 本公开涉及制备通式(I)的5-氨基苯并呋喃衍生物的方法:其中R1和R2如说明书中所定义,通过处理通式(II)的5-N-烷基酰胺基苯并呋喃衍生物:其中R1 ,R2和R3如说明书中所定义,与强酸反应,以便形成式(I)化合物的酸加成盐,该盐本身根据需要用碱性试剂处理,以便 形成游离碱形式的式(I)化合物。

    Process for production of optically active amine derivatives
    39.
    发明授权
    Process for production of optically active amine derivatives 有权
    光学活性胺衍生物的制备方法

    公开(公告)号:US08609871B2

    公开(公告)日:2013-12-17

    申请号:US13597361

    申请日:2012-08-29

    IPC分类号: C07D307/92

    摘要: An industrial process for production of high-purity optically active amine derivatives in high yield while inhibiting the formation of by-products, which comprises subjecting (E)-2-(1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8-ylidene)ethylamine to asymmetric reduction, catalytically reducing the obtained product at a reaction temperature of 40 to 100° C. and a pH of 3 to 9, subjecting the obtained (S)-2-(1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethylamine to propionylation, and then crystallizing the reaction mixture.

    摘要翻译: 一种以高产率生产高纯度光学活性胺衍生物同时抑制副产物形成的工业方法,其包括使(E)-2-(1,6,7,8-四氢-2H-茚并[5 ,4-b]呋喃-8-亚基)乙胺进行不对称还原,在40〜100℃的反应温度和3〜9的pH下催化还原得到的(S)-2-( 1,6,7,8-四氢-2H-茚并[5,4-b]呋喃-8-基)乙胺进行丙酰化,然后使反应混合物结晶。