Pyridazines by magnesium halide catalyzed cyclization
    3.
    发明授权
    Pyridazines by magnesium halide catalyzed cyclization 失效
    哒嗪通过卤化镁催化环化

    公开(公告)号:US4962199A

    公开(公告)日:1990-10-09

    申请号:US473140

    申请日:1990-02-01

    申请人: Gopi Yalamanchili

    发明人: Gopi Yalamanchili

    IPC分类号: C07D237/24

    CPC分类号: C07D237/24

    摘要: The present invention relates to a process for making substituted 4-oxo-1,4-dihydropyridazines by reacting a 2-phenylhyrazono-3-oxoglutarate with an organic acid halide in the presence of magnesium halide.

    摘要翻译: 本发明涉及通过在卤化镁存在下使2-苯基哒嗪-3-氧戊酸与有机酰卤反应来制备取代的4-氧代-1,4-二氢哒嗪的方法。