申请人:Medigene Limited
公开号:US07276505B2
公开(公告)日:2007-10-02
Compounds of formula (I) are inhibitors of CD80 and useful in immunomodulation therapy: wherein R1 and R3 independently represent H; F; CI; Br; —NO2; —CN; C1-C6 alkyl optionally substituted by F or Cl; or C1-C6 alkoxy optionally substituted by F; R4 represents a carboxylic acid group (—COOH) or an ester thereof, or —C(═O)NR6R7, —NR7C(═O)R6, —NR7C(═O)OR6, —NHC(═O)NR7R6 or —NHC(═S)NR7R6 wherein R6 represents H, or a radical of formula -(Alk)m-Q wherein m is 0 or 1, Alk is an optionally substituted divalent straight or branched C1-C12 alkylene, or C2-C12 alkenylene, or C2-C12 alkynylene radical or a divalent C3-C12 carbocyclic radical, any of which radicals may contain one or more —O—, —S— or —N(R8)— links wherein R8, represents H or C1-C4 alkyl, C3-C4 alkenyl, C3-C4 alkynyl, or C3-C6 cycloalkyl, and Q represents H; —NR9R10 wherein R9 and R10 independently represents H; C1-C4 alkyl; C3-C4 alkenyl; C3-C4 alkynyl; C3-C6 cycloalkyl; an ester group; an optionally substituted carbocyclic or heterocyclic group; or R9 and R10 form a ring when taken together with the nitrogen to which they are attached, which ring is optionally substituted; and R7 represents H or C1-C6 alkyl; or when taken together with the atom or atoms to which they are attached R6 and R7 form an optionally substituted monocyclic heterocyclic ring having 5, 6 or 7 ring atoms; and X represents a bond or a divalent radical of formula -(Z)n-(Alk)- or -(Alk)-(Z)n-wherein Z represents —O—, —S— or —NH—, Alk is as defined in relation to R6, and n is 0 or 1
式(I)的化合物是CD80的抑制剂,用于免疫调节治疗:其中R1和R3分别表示H; F; CI; Br; -NO2; -CN; C1-C6烷基,其可选择地被F或Cl取代; 或C1-C6烷氧基,其可选择地被F取代; R4表示羧酸基(-COOH)或其酯,或-C(═O)NR6R7,-NR7C(═O)R6,-NR7C(═O)OR6,-NHC(═O)NR7R6或-NHC(═S)NR7R6,其中R6表示H,或者是式(Alk)m-Q的基团,其中m为0或1,Alk是一个可选择地取代的二价直链或支链C1-C12烷基,或C2-C12烯基,或C2-C12炔基基团或二价C3-C12碳环基团,其中任何一个基团都可能包含一个或多个-O-,-S-或-N(R8)-链,其中R8表示H或C1-C4烷基,C3-C4烯基,C3-C4炔基或C3-C6环烷基,而Q表示H; -NR9R10,其中R9和R10独立表示H; C1-C4烷基; C3-C4烯基; C3-C4炔基; C3-C6环烷基; 酯基; 可选择地取代的碳环或杂环基团; 或R9和R10与它们所连接的氮一起形成一个环,该环是可选择地取代的; 而R7表示H或C1-C6烷基; 或者当它们与所连接的原子或原子一起被取为一起时,R6和R7形成一个可选择地取代的单环杂环,其中有5、6或7个环原子; 而X表示键或式-(Z)n-(Alk)-或-(Alk)-(Z)n-的二价基团,其中Z表示-O-,-S-或-NH-,Alk的定义与R6有关,n为0或1。