Process of preparing enantiomerically pure 1,8-bridged
4-quinolone-3-carboxylic acids
    28.
    发明授权
    Process of preparing enantiomerically pure 1,8-bridged 4-quinolone-3-carboxylic acids 失效
    制备对映体纯的1,8-桥连的4-喹诺酮-3-羧酸的方法

    公开(公告)号:US5237060A

    公开(公告)日:1993-08-17

    申请号:US315372

    申请日:1989-02-23

    IPC分类号: C07D471/06 C07D498/06

    CPC分类号: C07D471/06

    摘要: The invention relates to a process for the preparation of highly antibacterially active enantiomerically pure 1,8-bridged 4-quinolone-3-carboxylic acids and derivatives of the formula (I) ##STR1## in which 1) a compound of the formula ##STR2## is reacted with a compound of the formula ##STR3## to form a compound of the formula ##STR4## followed by cyclization to form a compound of the formula ##STR5## and further cyclization to form a compound of the formula ##STR6## an finally reaction of the cyclized product with amines of the formula ##STR7##

    摘要翻译: 本发明涉及一种制备高度抗菌活性的对映体纯的1,8-桥连4-喹诺酮-3-羧酸及其通式(I)的衍生物的方法,其中1) 使式与式(6)的化合物反应以形成式“IMAGE”的化合物,然后环化形成式“IMAGE”的化合物,并进一步环化形成式 (9)环化产物与式(IMAGE)的胺的最终反应