Process for preparing 5-hydroxybenzo [b] thiophene-3-carboxylic acid derivatives
    3.
    发明授权
    Process for preparing 5-hydroxybenzo [b] thiophene-3-carboxylic acid derivatives 失效
    制备5-羟基苯并[b]噻吩-3-羧酸衍生物的方法

    公开(公告)号:US06495702B2

    公开(公告)日:2002-12-17

    申请号:US09962439

    申请日:2001-09-26

    IPC分类号: C07D33352

    CPC分类号: C07D333/68

    摘要: Processes for producing benzothiophenecarboxylic acid derivatives of the formula (I), which are useful as starting materials for producing drugs, are disclosed. Also disclosed is a process for preparing 5-hydroxybenzo[b]-thiophene-3-carboxylic acid derivatives of the formula (VI), which are specific PGD2 antagonists.

    摘要翻译: 公开了用作生产药物起始原料的式(I)的苯并噻吩羧酸衍生物的制备方法。 还公开了制备作为特定PGD 2拮抗剂的式(VI)的5-羟基苯并[b] - 噻吩-3-羧酸衍生物的方法。

    Process for preparing 5-hydroxybenzo [b] thiophene-3-carboxylic acid derivatives
    9.
    发明授权
    Process for preparing 5-hydroxybenzo [b] thiophene-3-carboxylic acid derivatives 失效
    制备5-羟基苯并[b]噻吩-3-羧酸衍生物的方法

    公开(公告)号:US06346628B1

    公开(公告)日:2002-02-12

    申请号:US09962189

    申请日:2001-09-26

    IPC分类号: C07D33356

    CPC分类号: C07D333/68

    摘要: Processes for producing compounds of the formula (VI) are disclosed. Benzothiophenecarboxylic acid derivatives of the formula (I), which are useful as starting materials for producing drugs, are disclosed. Particularly, disclosed is a process for preparing 5-dydroxybenzo[b]-thiophene-3-carboxylic acid derivatives of the formula (VI), which are specific PGD2 antagonists are also disclosed.

    摘要翻译: 公开了制备式(Ⅵ)化合物的方法。 公开了可用作生产药物原料的式(I)的苯并噻吩羧酸衍生物。 特别公开的是制备式(VI)的5-二羟基苯并[b] - 噻吩-3-羧酸衍生物的方法,其也是特异性PGD 2拮抗剂。