申请人:Hoffmann-la Roche Inc.
公开号:US06218379B1
公开(公告)日:2001-04-17
The present invention is concerned with compounds of formula
where A is a group of formula (b1) or (b2)
where R3 is unsubstituted aryl or aryl substituted by one or two substituents defined herein, and R is as defined herein, together with the pharmaceutically compatible, readily hydrolyzable esters and salts of these compounds. These compounds have valuable antibacterial properties.
本发明涉及以下化合物的公式,其中A是公式(b1)或(b2)的基团,其中R3是未取代的芳基或芳基,其由本处定义的一个或两个取代基取代,R如本处定义,以及这些化合物的药用兼容、易水解的酯和盐。这些化合物具有宝贵的抗菌性能。