申请人:E. R. Squibb & Sons, Inc.
公开号:US04096330A1
公开(公告)日:1978-06-20
7.beta.-[[[(2-Cyanomethyl)amino]-1,2-dioxoethyl]amino]-acyl cephalosporins which have the formula ##STR1## wherein R is hydrogen, lower alkyl, phenyl-lower alkyl, diphenyl-lower alkyl, tri(lower alkyl)silyl, tri(lower alkyl)stannyl, trihaloethyl or a salt forming ion; R.sub.1 is hydrogen, lower alkyl, saturated or unsaturated cycloalkyl, phenyl, phenyl-lower alkyl, substituted phenyl or certain heterocyclic groups; R.sub.2 is hydrogen or methoxy; R.sub.3 is hydrogen, lower alkyl, phenyl-lower alkyl or cycloalkyl; R.sub.4 and R.sub.5 each is hydrogen or lower alkyl; and X is hydrogen, lower alkanoyloxy, carbamoyloxy, lower alkoxy, lower alkylthio ##STR2## or certain heterothio groups, are useful as antibacterial agents.
这是一段化学方程式的描述,描述了一种β-[[[(2-氰甲基)氨基]-1,2-二氧乙基]氨基]-酰基头孢菌素,其化学式为##STR1##其中R为氢,低碳基,苯基-低碳基,二苯基-低碳基,三(低碳基)硅基,三(低碳基)锡基,三卤乙基或形成离子的盐; R.sub.1为氢,低碳基,饱和或不饱和环烷基,苯基,苯基-低碳基,取代苯基或某些杂环基; R.sub.2为氢或甲氧基; R.sub.3为氢,低碳基,苯基-低碳基或环烷基; R.sub.4和R.sub.5各为氢或低碳基; X为氢,低烷酰氧基,氨基甲酰氧基,低烷氧基,低碳基硫基##STR2##或某些杂硫基,可用作抗菌剂。