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    • 9. 发明授权
    • 7.beta.-[[[(2-Cyanomethyl)amino]-1,2-dioxoethyl]amino]acyl cephalosporins
    • 7 {62 - {8 {8 {8(2-氰基甲基)氨基{9-1,2-二氧代乙基{9氨基{9酰基头孢菌素
    • US4096330A
    • 1978-06-20
    • US789467
    • 1977-04-21
    • Uwe D. TreunerHermann Breuer
    • Uwe D. TreunerHermann Breuer
    • A61K20060101C07D501/36C07G20060101
    • C07C255/00
    • 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.
    • 7β-[[[(2-氰基甲基)氨基] -1,2-二氧代乙基]氨基] - 酰基头孢菌素,其具有式其中R是氢,低级烷基,苯基 - 低级烷基,二苯基 - 低级烷基, 三(低级烷基)甲硅烷基,三(低级烷基)甲锡烷基,三卤代乙基或成盐离子; R 1是氢,低级烷基,饱和或不饱和环烷基,苯基,苯基 - 低级烷基,取代的苯基或某些杂环基; R2是氢或甲氧基; R3是氢,低级烷基,苯基 - 低级烷基或环烷基; R4和R5各自为氢或低级烷基; X为氢,低级烷酰氧基,氨基甲酰氧基,低级烷氧基,低级烷硫基或某些杂硫基,可用作抗菌剂。