Novel cephalosporin compounds, a process for the preparation thereof, pharmaceutical compositions containing the same and the use thereof as a therapeutic agent against a microorganism
申请人:NOVO NORDISK A/S
公开号:EP0018155A2
公开(公告)日:1980-10-29
The present invention relates to cephalosporins of the formula
wherein R' represents an aromatic or hetero aromatic group, R2 and R3 represents optionally substituted alkyl, aryl, or aralkyl, a heterocyclic group, or a group of the formula -OR6, wherein R6 represents hydrogen, a salt forming cation, optionally substituted alkyl, aryl, or aralkyl, or a heterocyclic group, or R2 and/or R3 represent(s) a group of the formula -NR7R8, wherein R7 and R6 represents hydrogen, optionally substituted alkyl or aryl or a cycloalkyl group, or R7 and R6 form a heterocyclic ring, or R2 and R3 form a heterocyclic ring, R4 represents hydrogen, a salt forming cation, or an ester forming group, and R5 represents hydrogen, acyloxy, carbamoyloxy, optionally substituted pyridyl, or a group of the formula -SR9, wherein R9 represents alkyl or a heterocyclic group, and salts thereof. The above cephalosporins show antibiotic properties.
本发明涉及式中的
头孢菌素
其中R'代表芳香族或杂芳香族基团,R2和R3代表任选取代的烷基、芳基或芳烷基、杂环基团,或式-OR6的基团,其中R6代表氢、成盐阳离子、任选取代的烷基、芳基或芳烷基或杂环基团,或R2和/或R3代表式-NR7R8的基团,其中R7和R6代表氢、R4代表氢、形成盐的阳离子或形成酯的基团,R5代表氢、酰氧基、
氨基甲酰氧基、任选取代的
吡啶基或式-SR9(其中 R9 代表烷基或杂环基)的基团,以及它们的盐。上述
头孢菌素具有抗生素特性。