Cephalosporins
    4.
    发明授权
    Cephalosporins 失效
    头孢菌素

    公开(公告)号:US06313305B1

    公开(公告)日:2001-11-06

    申请号:US08900366

    申请日:1997-07-21

    IPC分类号: C07D28508

    摘要: A compound having the formula selected from the group consisting of wherein either R3p and R4p are identical and selected from the group consisting of —OH, protected —OH and acyloxy of 1 to 8 carbon atoms, R2p is selected from the group consisting of —CN, —F, Br and I and R1p and R5p are hydrogen or R5p is —F and R1p and R2p are hydrogen or R1p and R2p are F and R5p is hydrogen, or R4p and R5p are identical and selected from the group consisting of —OH, protected —OH and acyloxy of 1 to 8 carbon atoms, R3p is selected from the group consisting of F and —CN and R1p and R2p are hydrogen, R8 is hydrogen or an amine protective group and R10 is the remainder in which the hydroxy or amino are protected wherein R′1 is selected from the group consisting of alkyl of 1 to 4 carbon atoms, —CN, carboxy and alkoxy carbonyl of 1 to 4 carbon atoms.

    摘要翻译: 具有选自R3p和R4p中的式的化合物是相同的,并且选自-OH,被保护的-OH和1至8个碳原子的酰氧基,R2p选自-CN, -F,Br和I,R1p和R5p是氢或R5p是-F,R1p和R2p是氢或R1p,R2p是F,R5p是氢,或R4p和R5p是相同的,选自-OH, 保护的-OH和1至8个碳原子的酰氧基,R3p选自F和-CN,R1p和R2p是氢,R8是氢或胺保护基,R10是其中羟基或氨基 被保护,其中R'1选自1至4个碳原子的烷基,-CN,羧基和1至4个碳原子的烷氧基羰基。