Antibacterial cephalosporin compounds
    5.
    发明授权
    Antibacterial cephalosporin compounds 失效
    抗生素CEPHOROSPORIN化合物

    公开(公告)号:US5189157A

    公开(公告)日:1993-02-23

    申请号:US189936

    申请日:1988-05-03

    摘要: There are presented antibacterial cephalosporins having broad antimicrobial activity as well as intermediates for their formation, such compounds having the formula ##STR1## wherein X is ##STR2## R is hydrogen or a carboxylic acid protecting group; R.sub.1 is hydrogen or an acyl group;R.sub.2 is hydrogen or lower alkoxy; andR.sub.3 is carbocyclic aryl or alkyl carbocyclic aryl substituted on the ring with two or more of hydroxy and/or lower alkanoyl ester groups, with halogen being an optional additional ring substituent;as well as the corresponding readily hydrolyzable esters, pharmaceutically acceptable salts and hydrates of these compounds where R is hydrogen.

    摘要翻译: 呈现具有广谱抗微生物活性的抗菌头孢菌素及其形成中间体,具有下式的化合物,其中X为氢或羧酸保护基; R1是氢或酰基; R2是氢或低级烷氧基; 并且R 3是在具有两个或多个羟基和/或低级烷酰基酯基团的环上被取代的碳环芳基或烷基碳环基,其中卤素是任选的另外的环取代基; 以及其中R是氢的这些化合物的相应的易水解的酯,药学上可接受的盐和水合物。