申请人:SmithKline Beecham p.l.c.
公开号:US06048852A1
公开(公告)日:2000-04-11
A method of treatment of bacterial infections in humans or animals which comprises administering, in combination with a .beta.-lactam antibiotic, a therapeutically effective amount of an amino acid derivative of Formula (I) or a pharmaceutically acceptable salt, solvate or in vivo hydrolysable ester thereof, ##STR1## wherein: R is hydrogen, a salt forming cation or an in vivo hydrolysable ester-forming group; R.sub.1 is hydrogen, (C.sub.1-6)alkyl optionally substituted by up to three halogen atoms or by a mercapto, (C.sub.1-6)alkoxy, hydroxy, amino, nitro, carboxy, (C.sub.1-6)alkylcarbonyloxy, (C.sub.1-6)alkoxycarbonyl, formyl or (C.sub.1-6)alkylcarbonyl group, (C.sub.3-7)cycloalkyl, (C.sub.3-7)cycloalkyl(C.sub.2-6)alkyl, (C.sub.2-6)alkenyl, (C.sub.2-6)alkynyl, aryl, aryl(C.sub.1-6)alkyl, heterocyclyl or heterocyclyl(C.sub.1-6)alkyl; R.sub.2 is hydrogen, (C.sub.1-6)alkyl or aryl(C.sub.1-6)alkyl; R.sub.3 is hydrogen, (C.sub.1-6)alkyl optionally substituted by up to three halogen atoms, (C.sub.3-7)cycloalkyl, fused aryl(C.sub.3-7)cycloalkyl, (C.sub.3-7)cycloalkyl(C.sub.2-6)alkyl, (C.sub.2-6)alkenyl, (C.sub.2-6)alkynyl, aryl, aryl-(CHR.sub.10).sub.m --X--(CHR.sub.11).sub.n, heterocyclyl or heterocyclyl-(CHR.sub.10).sub.m --X--(CHR.sub.11).sub.n, where m is 0 to 3, n is 1 to 3, each R.sub.10 and R.sub.11 is independently hydrogen or (C.sub.1-4)alkyl and X is O, S(O).sub.x where x is 0-2, or a bond; R.sub.4 is hydrogen, or an in vivo hydrolysable acyl group; and R.sub.5 and R.sub.6 are independently hydrogen and (C.sub.1-6)alkyl or together represent (CH.sub.2).sub.p where p is 2 to 5. Some compounds are claimed per se.
一种治疗人类或动物细菌感染的方法,包括与β-内酰胺类抗生素联合使用,治疗有效量的式(I)的氨基酸衍生物或其药学上可接受的盐,溶剂或体内可水解酯,其中:R为氢,形成盐的阳离子或体内可水解的酯形成基;R1为氢,(C1-6)烷基,可选地被最多三个卤素原子或硫巴替氧基,(C1-6)烷氧基,羟基,氨基,硝基,羧基,(C1-6)烷基羰氧基,(C1-6)烷氧羰基,甲酰基或(C1-6)烷基羰基基,(C3-7)环烷基,(C3-7)环烷基(C2-6)烷基,(C2-6)烯基,(C2-6)炔基,芳基,芳基(C1-6)烷基,杂环烷基或杂环烷基(C1-6)烷基;R2为氢,(C1-6)烷基或芳基(C1-6)烷基;R3为氢,(C1-6)烷基,可选地被最多三个卤素原子取代,(C3-7)环烷基,融合的芳基(C3-7)环烷基,(C3-7)环烷基(C2-6)烷基,(C2-6)烯基,(C2-6)炔基,芳基,芳基-(CHR10)m-X-(CHR11)n,杂环烷基或杂环烷基-(CHR10)m-X-(CHR11)n,其中m为0至3,n为1至3,每个R10和R11独立地为氢或(C1-4)烷基,X为O,S(O)x,其中x为0-2,或键;R4为氢,或体内可水解的酰基;R5和R6独立地为氢和(C1-6)烷基,或一起表示(CH2)p,其中p为2至5。其中一些化合物本身也被要求。