Chemical process for the preparation of pharmaceutically active compounds
    3.
    发明授权
    Chemical process for the preparation of pharmaceutically active compounds 失效
    用于制备药物活性化合物的化学方法

    公开(公告)号:US5023337A

    公开(公告)日:1991-06-11

    申请号:US469749

    申请日:1990-01-19

    IPC分类号: C07D235/32

    CPC分类号: C07D235/32

    摘要: The present invention is directed to the preparation of benzimidazole derivatives of the formula (I), ##STR1## wherein A=stands for S, SO or SO.sub.2,R.sup.1 =stands for C.sub.1-4 alkyl group,R.sup.2 =stands for C.sub.1-4 alkyl, C.sub.3-7 cycloalkyl or C.sub.6-10 aryl or aralkyl,comprising reacting a sulphochloride of the formula (II) ##STR2## with an alkyl aluminum compound of the formula (III).R.sub.n.sup.2 AlClhd (3-n) (III)The reaction is performed in one step.

    摘要翻译: 本发明涉及制备式(I)的苯并咪唑衍生物,其中A = S,SO或SO 2,R 1 = C 1-4烷基,R 2代表C 1 1-4烷基,C 3-7环烷基或C 6-10芳基或芳烷基,其包括使式(II)的二氯化亚氨基与式(III)的烷基铝化合物反应。 Rn2AlClhd(3-n)(III)反应在一个步骤中进行。

    Process for the preparation of imidazolones
    4.
    发明授权
    Process for the preparation of imidazolones 有权
    咪唑啉酮的制备方法

    公开(公告)号:US6162923A

    公开(公告)日:2000-12-19

    申请号:US463433

    申请日:2000-04-26

    IPC分类号: C07D235/02

    CPC分类号: C07D235/02

    摘要: The present invention relates to a process for the preparation of a compound of general formula (I), ##STR1## wherein R.sup.1 represents a hydrogen atom or an alkyl group of 1-6 carbon atoms, and their salts, wherein the compound of formula (II): ##STR2## is reacted with a compound of formula (III): ##STR3## wherein R represents an alkyl group of 1-4 carbon atoms and R.sup.1 is the same as defined above, by heating their neutral pH mixtures at the boiling temperature of the mixture, and the resulting compound of general formula (IV): ##STR4## wherein R and R.sup.1 are the same as defined above, is cyclized into the compound of general formula (I) by further elevating the temperature of the neutral mixture, and if desired, the compounds of general formula (I) are transformed into their salts, or the compounds of general formula (I) are liberated from their salts.

    摘要翻译: PCT No.PCT / HU98 / 00065 Sec。 371日期:2000年04月26日 102(e)日期2000年4月26日PCT提交1998年7月22日PCT公布。 出版物WO99 /​​ 05118 日期1999年2月4日本发明涉及制备通式(I)化合物的方法,其中R1表示氢原子或1-6个碳原子的烷基,及其盐,其中化合物 式(II):与式(III)化合物反应:其中R表示1-4个碳原子的烷基且R1与上述定义相同,通过在混合物的沸点温度下加热其中性pH混合物 ,并且通过进一步提高中性混合物的温度将所得到的通式(IV)化合物(其中R和R 1与上述定义相同)环化成通式(I)的化合物,如果需要,化合物 通式(I)的化合物转化为它们的盐,或者通式(I)的化合物从其盐中释放出来。

    Reductive amination process for preparation of dronedarone using amine intermediary compound
    6.
    发明授权
    Reductive amination process for preparation of dronedarone using amine intermediary compound 有权
    使用胺中间体化合物制备决奈达隆的还原胺化方法

    公开(公告)号:US09024046B2

    公开(公告)日:2015-05-05

    申请号:US14007170

    申请日:2012-03-27

    摘要: The invention relates to a novel process for preparation of drohedarone of formula (I) and pharmaceutically acceptable salts thereof characterized in that a compound of formula (II) is reacted in the presence of a reductive agent with butyraldehyde and/or butanoic acid, and isolating the obtained product and, if desired, converting it into a pharmaceutically acceptable salt thereof. The invention also relates to some hovel intermediary compounds and the preparation thereof.

    摘要翻译: 本发明涉及一种制备式(I)决奈达隆及其药学上可接受的盐的新方法,其特征在于式(II)化合物在还原剂存在下与丁醛和/或丁酸反应,并分离 所得产物,如果需要,将其转化为其药学上可接受的盐。 本发明还涉及一些新的中间体化合物及其制备。

    Process for preparation of dronedarone by mesylation
    7.
    发明授权
    Process for preparation of dronedarone by mesylation 有权
    通过甲磺酰化制备决奈达隆的方法

    公开(公告)号:US09193703B2

    公开(公告)日:2015-11-24

    申请号:US14007431

    申请日:2012-03-27

    IPC分类号: C07D307/81

    CPC分类号: C07D307/81

    摘要: The invention relates to a novel process for preparation of N-[2-n-butyl-3-[4-[3-(di-n-butylamino)-propoxy]-benzoyl]-benzofuran-5-yl]methanesulfonamide (I) and pharmaceutical acceptable salts thereof, where a salt of (5-amino-2-butyl-1-benzofuran-3-yl){4-[3-(di-n-butylamino)propoxy]phenyl}methanone of formula (II)—where A is a mono- or dibasic acid forming an acid addition salt with the compound of formula (II), n is 1 if A is dibasic acid and n is 1 or 2 if A is a monobasic acid—is reacted with a mesylating reagent in a heterogen reaction, if desired, in the presence of a phase transfer catalyst. The invention also relates to the novel salts of compound of formula (II), for the preparation thereof and their use in the preparation of dronedarone.

    摘要翻译: 本发明涉及制备N- [2-正丁基-3- [4- [3-(二正丁基氨基) - 丙氧基] - 苯甲酰基] - 苯并呋喃-5-基]甲磺酰胺(I )和其药学上可接受的盐,其中式(II)的(5-氨基-2-丁基-1-苯并呋喃-3-基){4- [3-(二正丁基氨基)丙氧基]苯基}甲酮盐 ) - 其中A是与式(II)化合物形成酸加成盐的一元酸或二元酸,如果A是二元酸,n是1,如果A是一元酸,则n是1或2,如果A是一元酸,则与 如果需要,在相转移催化剂的存在下,异相原子反应中的甲磺酰试剂。 本发明还涉及式(II)化合物的新型盐,用于制备它们及其在制备决奈达隆中的用途。

    REDUCTIVE AMINATION PROCESS FOR PREPARATION OF DRONEDARONE USING AMINE INTERMEDIARY COMPOUND
    8.
    发明申请
    REDUCTIVE AMINATION PROCESS FOR PREPARATION OF DRONEDARONE USING AMINE INTERMEDIARY COMPOUND 有权
    使用胺中间体化合物制备红霉素的还原性胺化方法

    公开(公告)号:US20140018554A1

    公开(公告)日:2014-01-16

    申请号:US14007170

    申请日:2012-03-27

    IPC分类号: C07D307/81

    摘要: The invention relates to a novel process for preparation of drohedarone of formula (I) and pharmaceutically acceptable salts thereof characterized in that a compound of formula (II) is reacted in the presence of a reductive agent with butyraldehyde and/or butanoic acid, and isolating the obtained product and, if desired, converting it into a pharmaceutically acceptable salt thereof. The invention also relates to some hovel intermediary compounds and the preparation thereof.

    摘要翻译: 本发明涉及一种制备式(I)决奈达隆及其药学上可接受的盐的新方法,其特征在于式(II)化合物在还原剂存在下与丁醛和/或丁酸反应,并分离 所得产物,如果需要,将其转化为其药学上可接受的盐。 本发明还涉及一些新的中间体化合物及其制备。

    PROCESS FOR PREPARATION OF DRONEDARONE BY MESYLATION
    9.
    发明申请
    PROCESS FOR PREPARATION OF DRONEDARONE BY MESYLATION 有权
    通过MESYLATION制备龙胆酮的方法

    公开(公告)号:US20140081035A1

    公开(公告)日:2014-03-20

    申请号:US14007431

    申请日:2012-03-27

    IPC分类号: C07D307/81

    CPC分类号: C07D307/81

    摘要: The invention relates to a novel process for preparation of N-[2-n-butyl-3-[4-[3-(di-n-butylamino)-propoxy]-benzoyl]-benzofuran-5-yl]methanesulfonamide (I) and pharmaceutical acceptable salts thereof, where a salt of (5-amino-2-butyl-1-benzofuran-3-yl) {4-[3-(di-n-butylamino)propoxy]phenyl}methanone of formula (II)—where A is a mono- or dibasic acid forming an acid addition salt with the compound of formula (II), n is 1 if A is dibasic acid and n is 1 or 2 if A is a monobasic acid—is reacted with a mesylating reagent in a heterogen reaction, if desired, in the presence of a phase transfer catalyst. The invention also relates to the novel salts of compound of formula (II), for the preparation thereof and their use in the preparation of dronedarone.

    摘要翻译: 本发明涉及制备N- [2-正丁基-3- [4- [3-(二正丁基氨基) - 丙氧基] - 苯甲酰基] - 苯并呋喃-5-基]甲磺酰胺(I )和其药学上可接受的盐,其中式(II)的(5-氨基-2-丁基-1-苯并呋喃-3-基){4- [3-(二正丁基氨基)丙氧基]苯基}甲酮盐 ) - 其中A是与式(II)化合物形成酸加成盐的一元酸或二元酸,如果A是二元酸,n是1,如果A是一元酸,则n是1或2,如果A是一元酸,则与 如果需要,在相转移催化剂的存在下,异相原子反应中的甲磺酰试剂。 本发明还涉及式(II)化合物的新型盐,用于制备它们及其在制备决奈达隆中的用途。