申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04447429A1
公开(公告)日:1984-05-08
This invention relates to novel cephem compounds of high antimicrobial activity of the formula ##STR1## wherein R.sup.1 is amino or a protected amino, R.sup.2 is lower alkyl, R.sup.3 is hydrogen or lower alkyl, R.sup.4 is hydrogen, acyloxy(lower)alkyl or acylthio(lower)alkyl and R.sup.5 is carboxy or a protected carboxy.
本发明涉及高抗微生物活性的新型头孢菌素化合物,其化学式为##STR1##其中R.sup.1为氨基或保护氨基,R.sup.2为低碳基,R.sup.3为氢或低碳基,R.sup.4为氢,酰氧(低)碳基或酰硫(低)碳基,R.sup.5为羧基或保护羧基。