申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US06159961A1
公开(公告)日:2000-12-12
A compound of the formula: ##STR1## wherein R.sup.1 is amino or protected amino, R.sup.2 is hydrogen or hydroxy protective group, R.sup.3 is carboxy or protected carboxy, R.sup.4 is hydrogen, lower alkenyl, acyloxy(lower)alkenyl, optionally substituted heterocyclic(lower)alkenyl, optionally substituted heterocyclic(lower)alkenylthio, optionally substituted heterocyclic(lower)alkylthio, or optionally substituted heterocyclic-thio(lower)alkylthio and R5 is halogen or lower alkyl and pharmaceutically acceptable salts thereof, which is useful as a medicament for prophylactic and therapeutic treatment of infectious diseases.
一种化合物的公式:##STR1## 其中R.sup.1是氨基或保护氨基,R.sup.2是氢或羟基保护基,R.sup.3是羧基或保护羧基,R.sup.4是氢、低烯基、酰氧(低)烯基、可选择取代的杂环(低)烯基、可选择取代的杂环(低)烯基硫、可选择取代的杂环(低)烷硫、或可选择取代的杂环硫(低)烷硫,R5是卤素或低烷基,以及其药学上可接受的盐,用于预防和治疗传染病的药物。