申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US05608056A1
公开(公告)日:1997-03-04
A compound of the formula: ##STR1## in which R.sup.1 is carboxy or protected carboxy, R.sup.2 is 1-hydroxyethyl, R.sup.3 is methyl, R.sup.4 is optionally substituted pyridyl(lower)alkyl, optionally N-substituted 2-oxopiperazin-1-yl-(lower)alkyl, optionally substituted imidazol-1-yl(C.sub.2 -C.sub.3)alkyl, optionally substituted imidazol-5-yl-(lower)alkyl, optionally substituted imidazol-2-yl-(lower)alkyl, optionally substituted pyrazol-4-(or 5-)yl(lower)alkyl, optionally substituted pyrazol-1-ylethyl, optionally substituted triazolyl(lower)alkyl, optionally substituted pyrimidinyl(lower)alkyl, optionally substituted dihydropyrimidinyl(lower)alkyl, or optionally substituted (2,3-dihydroimidazo-[1,2-b]pyrazol-1-yl)ethyl, and R.sup.5 is hydrogen or imino-protective group, and pharmaceutically acceptable salts thereof, which have antimicrobial activity.
该化合物的公式为:##STR1##,其中R.sup.1是羧基或受保护的羧基,R.sup.2是1-羟乙基,R.sup.3是甲基,R.sup.4是可选地取代的吡啶基(低碳)烷基,可选地N-取代的2-氧代哌嗪-1-基(低碳)烷基,可选地取代的咪唑-1-基(C.sub.2-C.sub.3)烷基,可选地取代的咪唑-5-基(低碳)烷基,可选地取代的咪唑-2-基(低碳)烷基,可选地取代的吡唑-4-(或5-)基(低碳)烷基,可选地取代的吡唑-1-基乙基,可选地取代的三唑基(低碳)烷基,可选地取代的嘧啶基(低碳)烷基,可选地取代的氢化嘧啶基(低碳)烷基,或可选地取代的(2,3-二氢咪唑-[1,2-b]吡唑-1-基)乙基,以及R.sup.5是氢或亚胺保护基团,以及具有抗菌活性的药物可接受的盐。