Process for N-dealkylation of tertiary amines
    7.
    发明授权
    Process for N-dealkylation of tertiary amines 有权
    叔胺N-脱烷基化方法

    公开(公告)号:US08921556B2

    公开(公告)日:2014-12-30

    申请号:US13711288

    申请日:2012-12-11

    摘要: The present disclosure provides improved methods for N-dealkylation of tertiary amines, including methods for N-demethylation of alkaloids and opioids, in which the dealkylation reaction is carried out in a solvent comprising a tertiary alcohol. The present disclosure also provides improved processes for preparing semi-synthetic opioids that incorporate the disclosed methods for N-dealkylation of tertiary amines.

    摘要翻译: 本公开提供了用于叔胺N-脱烷基化的改进方法,包括生物碱和阿片样物质的N-去甲基化方法,其中脱烷基化反应在包含叔醇的溶剂中进行。 本公开还提供了制备半合成阿片样物质的改进方法,其包括所公开的叔胺N-脱烷基化方法。

    INDUSTRIAL PROCESS FOR THE PREPARATION OF BUPRENORPHINE AND ITS INTERMEDIATES
    8.
    发明申请
    INDUSTRIAL PROCESS FOR THE PREPARATION OF BUPRENORPHINE AND ITS INTERMEDIATES 有权
    用于制备布地奈芬及其中间体的工业方法

    公开(公告)号:US20140364612A1

    公开(公告)日:2014-12-11

    申请号:US14302159

    申请日:2014-06-11

    IPC分类号: C07D489/12

    CPC分类号: C07D489/12 C07D489/02

    摘要: There is provided an efficient industrial process for the preparation of 21-cyclopropyl-7α-(2-hydroxy-3,3-dimethyl-2-butyl)-6,14-endo-ethano-6,7,8,14-tetrahydro-oripavine, i.e. buprenorphine of Formula-I in high yield and purity, with enhanced safety and eco-friendly norms. The invention further relates to an improved process for preparation of intermediates thereof in high yield and purity.

    摘要翻译: 提供了制备21-环丙基-7α-(2-羟基-3,3-二甲基-2-丁基)-6,14-内 - 乙酰胺-6,7,8,14-四氢的有效工业方法 - 高磷脂,即具有高产率和纯度的式I的丁丙诺啡,具有增强的安全性和环保标准。 本发明还涉及以高产率和纯度制备其中间体的改进方法。

    Recycling process for increasing the yield of opiate alkaloid derivatives
    10.
    发明授权
    Recycling process for increasing the yield of opiate alkaloid derivatives 有权
    提高阿片类生物碱衍生物产量的回收方法

    公开(公告)号:US08232398B2

    公开(公告)日:2012-07-31

    申请号:US12586856

    申请日:2009-09-29

    申请人: Dennis J. Kalota

    发明人: Dennis J. Kalota

    IPC分类号: C07D489/12 C07D489/10

    CPC分类号: C07D489/12 Y02P20/582

    摘要: The present invention provides processes for the production of opiate alkaloids. In particular, the present invention provides processes for increasing the yield of opiate alkaloids by introducing at least one recycling step.

    摘要翻译: 本发明提供了生产阿片碱生物碱的方法。 特别地,本发明提供通过引入至少一个回收步骤来提高阿片碱生物碱的产量的方法。