申请人:BRITISH BIOTECH PHARM
公开号:WO2003089412A1
公开(公告)日:2003-10-30
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 Z is a radical of formula -N(OH)CH(=0), a hydroxy, halo or amino group; R2 represents a group R10-(V)n-(ALK)m- wherein R10 represents hydrogen, or an optionally substituted C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, cycloalkyl, aryl, or heterocyclyl group, ALK represents a straight or branched divalent C1-C6 alkylene, C2 -C6 alkenylene, or C2-C6 alkynylene radical, and may be interrupted by one or more non-adjacent -NH-, -O- or -S- linkages, V represents -NH-, -O- or-S-, m and n are independently 0 or 1; R3 represents the side chain of a natural or non-natural alpha amino acid; R4 represents hydrogen or C1-C3 alkyl; Y represents N or CH; ring A is optionally substituted on one or more ring carbon atoms by C1-C3 alkyl, C1-C3 alkoxy, or halo; and R5 represents a group (IIA): wherein m is 0 or 1; Alk1 represents a divalent C1-C3 alkylene radical; Z represents hydrogen or an optionally substituted cycloalkyl, phenyl or heterocyclic group.
公式(II)的化合物具有抗菌活性:其中Q代表公式-N(OH)CH(=0)或公式-C(=O)NH(OH)的基团;R1代表氢、甲基或三氟甲基,或者当Z代表公式-N(OH)CH(=0)的基团时,代表一个羟基、卤素或氨基;R2代表一个基团R10-(V)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烯基、C2-C6炔基、环烷基、芳基或杂环基团,ALK代表直链或支链的二价C1-C6烷基、C2-C6烯基或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,V代表-NH-、-O-或-S-,m和n独立地为0或1;R3代表天然或非天然α-氨基酸的侧链;R4代表氢或C1-C3烷基;Y代表N或CH;环A在一个或多个环碳原子上可选择地被C1-C3烷基、C1-C3烷氧基或卤素取代;R5代表一个基团(IIA):其中m为0或1;Alk1代表一个二价的C1-C3烷基基团;Z代表氢或一个可选择取代的环烷基、苯基或杂环基。