Piperazino quinazoline bronchodilators
    20.
    发明授权
    Piperazino quinazoline bronchodilators 失效
    哌嗪嗪喹唑啉支气管扩张剂

    公开(公告)号:US3966936A

    公开(公告)日:1976-06-29

    申请号:US581830

    申请日:1975-05-29

    IPC分类号: A61K31/495 A61K31/505

    CPC分类号: A61K31/505 A61K31/495

    摘要: A series of novel 4-piperazino-6,7-dialkoxyquinazolines and 1-piperazino-6,7-dialkoxyisoquinolines have been prepared, including their acid addition salts. These compounds are useful in therapy as bronchodilators and as smooth muscle relaxants. Methods for their preparation from known compounds are provided.

    摘要翻译: 已经制备了一系列新的4-哌嗪基-6,7-二烷氧基喹唑啉和1-哌嗪基-6,7-二烷氧基异喹啉,包括它们的酸加成盐。 这些化合物可用于治疗支气管扩张剂和平滑肌松弛剂。 提供了从已知化合物制备的方法。