Production method of 2,6-dihalopurine
    4.
    发明申请
    Production method of 2,6-dihalopurine 失效
    2,6-二卤嘌呤的制备方法

    公开(公告)号:US20050131229A1

    公开(公告)日:2005-06-16

    申请号:US10509802

    申请日:2003-04-03

    IPC分类号: C07D473/40 C07D473/00

    CPC分类号: C07D473/40

    摘要: By reacting the compound of the formula [Ia] or [Ib] with halosilane compound and an agent for diazo reaction, 2,6-dihaliopurine of the formula [II] can be produced conveniently in a high yield and can be easily isolated, wherein each symbol is as defined in the specification.

    摘要翻译: 通过使式[Ia]或[Ib]的化合物与卤代硅烷化合物和重氮反应试剂反应,式[II]的2,6-二卤代嘌呤可以方便地以高产率制备,并且可以容易地分离,其中 每个符号如规范中所定义。

    Alkynylpurine compounds and production methods thereof
    5.
    发明申请
    Alkynylpurine compounds and production methods thereof 审中-公开
    炔烃嘌呤化合物及其制备方法

    公开(公告)号:US20060100429A1

    公开(公告)日:2006-05-11

    申请号:US10517599

    申请日:2003-06-10

    IPC分类号: C07D473/02

    摘要: The present invention relates to alkynylpurine compounds represented by the following formula (I-1) and the formula (I-2): wherein each symbol is as defined in the present specification, salts thereof, and production methods thereof. According to the present invention, a method of producing an alkynylpurine compound and a salt thereof useful as an intermediate for medicament production safely, conveniently and economically from the corresponding purine compound and a salt thereof, as well as an alkynylpurine compound and a salt thereof useful as an intermediate for production of medicaments can be provided.

    摘要翻译: 本发明涉及由下式(I-1)和式(I-2)表示的炔基嘌呤化合物:其中各符号如本说明书中所定义,其盐及其制备方法。 根据本发明,可以从相应的嘌呤化合物及其盐安全,经济地制备用作药物生产中间体的炔基嘌呤化合物及其盐的方法以及炔基嘌呤化合物及其盐 可以提供作为药物生产的中间体。

    Production method of 2,6-dihalopurine
    6.
    发明授权
    Production method of 2,6-dihalopurine 失效
    2,6-二卤嘌呤的制备方法

    公开(公告)号:US07307167B2

    公开(公告)日:2007-12-11

    申请号:US10509802

    申请日:2003-04-03

    IPC分类号: C07D473/40 C07B39/00

    CPC分类号: C07D473/40

    摘要: By reacting the compound of the formula [Ia] or [Ib] with halosilane compound and an agent for diazo reaction, 2,6-dihalopurine of the formula [II] can be produced conveniently in a high yield and can be easily isolated, wherein each symbol is as defined in the specification

    摘要翻译: 通过使式[Ia]或[Ib]的化合物与卤代硅烷化合物和重氮反应试剂反应,可以方便地以高产率制备式[II]的2,6-二卤代嘌呤,并且可以容易地分离,其中 每个符号如规范中所定义

    Process for preparing 1, 3-disubstituted urea
    10.
    发明授权
    Process for preparing 1, 3-disubstituted urea 失效
    制备1,3-二取代脲的方法

    公开(公告)号:US5902899A

    公开(公告)日:1999-05-11

    申请号:US985363

    申请日:1997-12-04

    CPC分类号: C07C273/1809

    摘要: Process for preparing 1,3-disubstituted urea of the formula: ##STR1## wherein R.sup.5 is the same as or different from R.sup.6, and each of R.sup.5 and R.sup.6 is independently linear or branched, alkyl of 1-20 carbon atoms, alkenyl group having 2 to 20 carbon atoms or alkynyl group having 2 to 20 carbon atoms, which may have phenoxy, alkoxy of 1-13 carbon atoms, monocycloalkyl of 3-8 carbon atoms, bicycloalkyl of 6-12 carbon atoms, aryl of 6-13 carbon atoms, furyl, pyridyl, or aralkyl of 7-20 carbon atoms, comprising reacting cyclic carbonic acid ester with an amine using alkali metal alkoxide or trialkylamine as base, in safety and high yield.

    摘要翻译: 制备下式的1,3-二取代脲的方法:其中R5与R6相同或不同,R5和R6各自独立地为直链或支链的,1-20个碳原子的烷基,具有2-20个碳原子的烯基 碳原子或碳原子数2〜20的炔基,可以具有苯氧基,1-13个碳原子的烷氧基,3-8个碳原子的单环烷基,6-12个碳原子的双环烷基,6-13个碳原子的芳基,呋喃基 ,7-20个碳原子的吡啶基或芳烷基,包括以安全和高产率使用碱金属醇盐或三烷基胺作为碱使环状碳酸酯与胺反应。