申请人:BRITISH BIOTECH PHARM
公开号:WO2004033441A1
公开(公告)日:2004-04-22
Compounds of formula (II) have antibacterial activity: wherein: Q represents a radical of formula -N(OH)CH(=0) or formula -C(=O)NH(OH); R1 represents hydrogen, methyl or trifluoromethyl or, except when Q is a radical of formula -N(OH)CH(=0), a hydroxy, halo or amino group; R2 represents a group R10-(D)n-(ALK)m- wherein R10 represents hydrogen or an optionally substituted C1-C6 alkyl, C2-C6 alkynyl, C2-C6 alkynyl, cycloalkyl, aryl, or heterocyclyl group and ALK represents a straight or branched divalent C1-C6 alkylene, C2-C6 alkynylene, or C2-C6 alkynylene radical, and may be interrupted by one or more non-adjacent -NH-, -O- or -Slinkages, D represents -NH-, -O- or -S-, and m and n are independently 0 or 1; R4 represents the side chain of a natural or non-natural alpha amino acid; ring A represents an optionally substituted monocyclic heterocyclic ring containing from 5 to 7 ring atoms, one of which is the nitrogen atom shown, the remaining ring atoms being selected from compatible combinations of carbon, oxygen, sulfur and nitrogen; X is oxygen or sulfur; Y is oxygen, sulfur or -NH-; R is 0, 1, 2 or 3; and ring B represents an optionally substituted carbocyclic or heterocyclic ring system.
式(II)的化合物具有抗菌活性:其中:Q代表式-N(OH)CH(=0)或式-C(=O)NH(OH)的基团;R1代表氢,甲基或三氟甲基或者除非Q是式-N(OH)CH(=0)的基团,还可以是一个羟基,卤素或氨基;R2代表一个基团R10-(D)n-(ALK)m-,其中R10代表氢或者一个可选择取代的C1-C6烷基,C2-C6炔基,C2-C6炔基,环烷基,芳基或杂环烷基,ALK代表一条直链或支链的二价C1-C6烷基,C2-C6炔基或C2-C6炔基基团,并且可以被一个或多个非相邻的-NH-,-O-或-S-连接所中断,D代表-NH-,-O-或-S-,m和n独立地为0或1;R4代表天然或非天然α-氨基酸的侧链;环A代表一个可选择取代的含有5到7个环原子的单环杂环,其中之一是所示的氮原子,其余环原子选自碳,氧,硫和氮的兼容组合;X是氧或硫;Y是氧,硫或-NH-;R为0,1,2或3;环B代表一个可选择取代的碳环或杂环环系统。