申请人:E.R. Squibb & Sons, Inc.
公开号:EP0062876A1
公开(公告)日:1982-10-20
Antibacterial activity is exhibited by β-lactams having a
substituent in the 1-position and an acylamino substituent in the 3-position wherein Z is oxygen or sulfur and R is alkyl, alkenyl, alkynyl, substituted alkyl, phenyl, substituted phenyl, a 5,6 or 7-membered heterocycle (Rc), phenylalkyl. (substituted-phenyl)alkyl, Rc-alkyl or-NR,Rb wherein R. and Rb are the same or different and each is hydrogen, alkyl, substituted alkyl, phenyl, substituted phenyl, phenylalkyl, (substituted phenyl)alkyl or one of R, and Rb is hydrogen, alkyl, phenyl, substituted phenyl, phenylalkyl or (substituted phenyl)alkyl and the other is amino (-NH2), alkanoylamino, arylcarbonylamino, alkoxycarbonylamino, alkylsulfonylamino, alkylamino, dialkylamino, phenylamino, (substituted phenyl)- amino, hydroxy, cyano (-C=N), alkoxy, phenyloxy, (substituted phenyl)oxy, phenylalkoxy, (substituted phenyl)alkoxy, Rc as defined, above Rc-alkyl, Rc-alkoxy, alkylsulfonyl, alkylmethyleneamino, (alkyl-CH=N-), pheny-Imethyleneamino or (substituted phenyl)methyleneamino.
具有以下特征的 β-内酰胺具有抗菌活性
其中 Z 是氧或硫,R 是烷基、烯基、炔基、取代烷基、苯基、取代苯基、5、6 或 7 元杂环 (Rc)、苯基烷基、(取代苯基)烷基、Rc-烷基或-NR,Rb。(取代苯基)烷基、Rc-烷基或-NR,Rb 其中 R.和 Rb 相同或不同,且各自为氢、烷基、取代的烷基、苯基、取代的苯基、苯基烷基、(取代的苯基)烷基或 R,和 Rb 中的一个为氢、烷基、苯基、取代的苯基、苯基烷基或(取代的苯基)烷基,另一个为氨基 (-NH2)、烷酰氨基、芳基羰基氨基、烷氧基羰基氨基、烷基磺酰基氨基、烷氧基羰基氨基、烷氧基羰基氨基、烷基磺酰胺、烷基酰胺、二烷基酰胺、苯基酰胺、(取代的苯基)-氨基、羟基、氰基(-C=N)、烷氧基、苯氧基、(取代的苯基)氧基、苯基烷氧基、(取代的苯基)烷氧基、如上定义的 Rc-烷基、Rc-烷氧基、烷基磺酰基、烷基亚甲基酰胺、(烷基-CH=N-)、苯基亚甲基酰胺或(取代的苯基)亚甲基酰胺。