Process for the preparation of N-([1,2,4]triazolopyrimidin-2-yl)aryl sulfonamides
    3.
    发明授权
    Process for the preparation of N-([1,2,4]triazolopyrimidin-2-yl)aryl sulfonamides 有权
    制备N - ([1,2,4]三唑并嘧啶-2-基)芳基磺酰胺的方法

    公开(公告)号:US07339058B2

    公开(公告)日:2008-03-04

    申请号:US11088448

    申请日:2005-03-24

    IPC分类号: C07D487/04 A61K31/519

    CPC分类号: C07D487/04 C07D471/04

    摘要: The N-arylsulfilimine-catalyzed coupling of aromatic sulfonyl chlorides with N-([1,2,4]triazolopyrimidin-2-yl)amines to form N-([1,2,4]triazolo-pyrimidin-2-yl)aryl sulfonamides is improved by the selection of 3-picoline or 3,5-lutidine as the base.

    摘要翻译: 芳基磺酰亚胺催化偶合芳基磺酰氯与N - ([1,2,4]三唑并嘧啶-2-基)胺形成N - ([1,2,4]三唑并嘧啶-2-基) 通过选择3-甲基吡啶或3,5-二甲基吡啶作为碱,可改善磺酰胺。