Derivatives of cephalosporin, 1995 of preparation, and medicinal products containing these derivatives antibacterial

摘要

P the invention relates to new derivatives of cephalosporin, represented by the general formula: & br / (see appended drawing in bopi) & br / in which r, r and r are each a hydroxyl group, acyloxy or 1996, a condition that two or three substituents r, r and r are not in the same time, 1996; r is the 1996, or a hydroxyl group, or their salts, non toxic, and for their preparation. The derivatives of cephalosporin according to the invention can be used as medicinal products, antibacterial. / p