Process for the preparation of contrast agents
    2.
    发明授权
    Process for the preparation of contrast agents 失效
    造影剂的制备方法

    公开(公告)号:US06610885B1

    公开(公告)日:2003-08-26

    申请号:US09098350

    申请日:1998-06-17

    IPC分类号: C07C23305

    CPC分类号: C07C231/08

    摘要: Process for the preparation of contrast agents The invention provides a process for the preparation of an N-alkyl-acylamino-phenyl-carboxylic acid or carboxylic acid derivative by liquid phase acylation and subsequent N-alkylation of a corresponding amino-phenyl-carboxylic acid (or carboxylic acid derivative), the improvement comprising the addition of an alkylating agent to a solution containing the reaction products of said acylation, to effect said N-alkylation.

    摘要翻译: 造影剂的制备方法本发明提供了一种通过液相酰化制备N-烷基 - 酰基氨基 - 苯基 - 羧酸或羧酸衍生物的方法,随后进行相应的氨基 - 苯基 - 羧酸的N-烷基化( 或羧酸衍生物),所述改进包括在含有所述酰化反应产物的溶液中加入烷基化剂以进行所述N-烷基化。

    5-HT RECEPTOR MODULATING COMPOUNDS
    3.
    发明申请
    5-HT RECEPTOR MODULATING COMPOUNDS 审中-公开
    5-HT受体调节化合物

    公开(公告)号:US20120094989A1

    公开(公告)日:2012-04-19

    申请号:US13262356

    申请日:2010-04-01

    CPC分类号: C07D498/04 C07D211/34

    摘要: The present invention relates to compounds having 5-hydroxytryptamine receptor modulating activity, in particular compounds having an acidic moiety held distant from the 5-HT pharmacophore by a rigid linker group, to compositions containing such compounds and methods of treatment using them. Such compounds have an increased affinity for the 5-HT receptor and a reduced hERG effect. Certain compounds of the invention further exhibit an angiotensin II receptor modulating activity. Claimed are compounds of formula (I): HT-L-A. HT is a 5-HT receptor modulating moiety containing a basic nitrogen atom; A is an acid moiety; L is a linker moiety.

    摘要翻译: 本发明涉及具有5-羟色胺受体调节活性的化合物,特别是具有通过刚性连接基保持远离5-HT药效团的酸性部分的化合物,含有这些化合物的组合物和使用它们的治疗方法。 这样的化合物对5-HT受体的亲和力增加并且hERG效应降低。 本发明的某些化合物还表现出血管紧张素II受体调节活性。 要求的是式(I)的化合物:HT-L-A。 HT是含有碱性氮原子的5-HT受体调节部分; A是酸性部分; L是连接体部分。

    Process for the preparation of contrast agents
    4.
    发明授权
    Process for the preparation of contrast agents 失效
    造影剂的制备方法

    公开(公告)号:US5840967A

    公开(公告)日:1998-11-24

    申请号:US845134

    申请日:1997-04-21

    CPC分类号: C07C231/08

    摘要: The invention provides a process for the preparation of an N-alkyl-acylamino-phenyl-carboxylic acid or carboxylic acid derivative by liquid phase acylation and subsequent N-alkylation of a corresponding amino-phenyl-carboxylic acid (or carboxylic acid derivative), the improvement comprising the addition of an alkylating agent to a solution containing the reaction products of said acylation, to effect said N-alkylation.

    摘要翻译: 本发明提供了通过液相酰化和相应的氨基 - 苯基 - 羧酸(或羧酸衍生物)的N-烷基化制备N-烷基 - 酰基氨基 - 苯基 - 羧酸或羧酸衍生物的方法, 改进包括在含有所述酰化反应产物的溶液中加入烷基化剂以进行所述N-烷基化。

    Preparation of tri-iodo benzene compounds
    5.
    再颁专利
    Preparation of tri-iodo benzene compounds 有权
    三碘苯化合物的制备

    公开(公告)号:USRE38856E1

    公开(公告)日:2005-10-25

    申请号:US10279502

    申请日:2002-10-24

    CPC分类号: C07C231/12 C07C237/46

    摘要: The invention provides a process by which ultra low salt content triiodinated aromatic compounds may be isolated from a highly acidic hot triiodination raction reaction medium in a straightforward fashion. The process involves increasing the pH to above 5 a value in the range of 3 to 7 with sodium hydroxide, addition of sodium bisulphite and/or sodium dithionite, addition of seed crystals, cooling slowly, and washing the collected precipitate with water.

    摘要翻译: 本发明提供了一种可以从高度酸性的热三碘化物中分离出超低盐含量的三碘化芳族化合物的方法。<βdelete-start id =“DEL-S-00001”date =“20051025”?> raction <?delete-end id =“DEL-S-00001”?> <?insert-start id =“INS-S-00001”date =“20051025”?> reaction <?insert-end id =“INS-S-00001”?> 以直截了当的方式。 该过程包括将pH增加到<?delete-start id =“DEL-S-00002”date =“20051025”?> 5以上<?delete-end id =“DEL-S-00002”?> <? start id =“INS-S-00002”date =“20051025”?> 3〜7的范围内的值??????????? 和/或连二亚硫酸钠,加入晶种,缓慢冷却,并用水洗涤收集的沉淀。

    Preparation of tri-iodo benzene compounds
    6.
    发明授权
    Preparation of tri-iodo benzene compounds 有权
    三碘苯化合物的制备

    公开(公告)号:US6137006A

    公开(公告)日:2000-10-24

    申请号:US436654

    申请日:1999-11-09

    CPC分类号: C07C231/12

    摘要: The invention provides a process by which ultra low salt content triiodinated aromatic compounds may be isolated from a highly acidic hot triiodination raction medium in a straightforward fashion. The process involves increasing the pH to above 5 with sodium hydroxide, addition of sodium bisulphite and/or sodium dithionite, addition of seed crystals, cooling slowly, and washing the collected precipitate with water.

    摘要翻译: 本发明提供了一种可以以直接的方式从高酸性热三碘化靛化反应介质中分离出超低盐含量的三碘化芳族化合物的方法。 该方法包括用氢氧化钠将pH调节至5以上,加入亚硫酸氢钠和/或连二亚硫酸钠,加入晶种,缓慢冷却,并用水洗涤收集的沉淀物。