A penicillin derivative of the formula I:
in which R1 is any one of the C-3 substituents from antibacterially-active penicillins known in the art; ⊕
X is a nitrogen atom or a radical of the formula N-R3; R2 and R3, which may be the same or different, are hydrogen atoms or 1-6C alkyl, 1-6C alkanoyl, hydroxy, 1-6C alkoxy, amino, 1-6C alkanoylamino, 1-6C alkylamino, 1-6C aminoalkyl, 1-6C hydroxyalkyl, 2-6C carboxyalkyl, 2-6C alkenyl, 3-6C alkoxyalkyl, 3-8C alkoxycarbonylalkyl, furylmethyl, phenyl or 7-11 C phenylalkyl radicals, in the latter two of which the phenyl ring is optionally substituted by a halogen atom or by a methyl, methoxy, nitro, hydroxy, amino, carboxy or methoxycarbonyl radical;
A
式 I 的青霉素衍生物:
其中 R1 是本领域已知的具有抗菌活性的青霉素中的任何一种 C-3 取代基; ⊕
X 是氮原子或式 N-R3 的基团;R2和R3可以相同或不同,它们是氢原子或1-6C烷基、1-6C烷酰基、羟基、1-6C烷氧基、氨基、1-6C烷酰基氨基、1-6C烷基氨基、1-6C氨基烷基、1-6C羟基烷基、2-6C羧基烷基、2-6C烯基、3-6C烷氧基烷基3-8C烷氧基羰基烷基、呋喃甲基、苯基或 7-11C 苯基烷基,在后两者中,苯基环可任选被卤素原子或甲基、甲氧基、硝基、羟基、氨基、羰基或甲氧基羰基取代;
A< 是式 II 或 III:
其中 R4、R5、R6、R7、R8 和 R9 如说明书所述;及其药学上可接受的酸或碱加成盐。还描述了药物组合物和生产工艺。