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Medicine movement the cephalosporin derivative which is improved study, the manufacturing method, the medicine constituent, and the forming intermediate field null which include
Medicine movement the cephalosporin derivative which is improved study, the manufacturing method, the medicine constituent, and the forming intermediate field null which include
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机译:药物运动经过改进研究的头孢菌素衍生物,其制备方法,药物成分和形成的中间场无效包括
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摘要
New cephalosporin derivatives of formula: …IMAGE… in which:… - each of R1, R2 and R3 denotes a hydrogen atom or each of R1 and R2 denotes a hydrogen atom or a methyl group and R3 denotes a carboxyl group, or R1 and R2 taken together with the carbon atom to which they are linked form a cyclobutyl nucleus and R3 denotes a carboxyl group,… - the 2 groups A are different: one denotes a hydroxyl group and the other denotes a -NH-SO2-Alk-NH2 group in which Alk denotes a C2-C4 lower alkylene group,… and the pharmaceutically acceptable salts and esters of the said derivatives. …??The invention also relates to a process for their preparation, pharmaceutical compositions containing them and synthesis intermediates. …??The said derivatives exhibit improved pharmacokinetic properties.
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机译:新型式:……的头孢菌素衍生物,其中:…-R1,R2和R3各自表示氢原子或R1和R2各自表示氢原子或甲基,R3表示羧基,或R1 R 2和与它们相连的碳原子一起形成环丁基核,R 3表示羧基,…-两个基团A不同:一个表示羟基,另一个表示-NH-SO2-Alk-其中Alk表示C 2 -C 4低级亚烷基的NH 2基,以及所述衍生物的可药用盐和酯。本发明还涉及其制备方法,含有它们的药物组合物和合成中间体。 ……所述衍生物表现出改善的药代动力学性质。
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