申请人:Roussel Uclaf
公开号:US04845105A1
公开(公告)日:1989-07-04
A compound selected from the group consisting of optical isomers and racemates of 4-hydroxy-3-quinoline carboxylates of the formula ##STR1## wherein X is in the 5-, 6-, 7- or 8-position and is selected from the group consisting of hydrogen, halogen, alkyl of 1 to 5 carbon atoms, alkoxy of 1 to 4 carbon atoms, --CF.sub.3, --SCF.sub.3 and --OCF.sub.3, R.sub.1 is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms, R.sub.2 is selected from the group consisting of thiazolyl, 4,5-dihydrothiazolyl, pyridinyl, oxazolyl, isoxazolyl, imidazolyl, pyrimidyl and tetrazolyl, all optionally substituted with alkyl of 1 to 4 carbon atoms and phenyl and phenyl substituted with at least one member of the group consisting of --OH, alkyl and alkoxy of 1 to 4 carbon atoms, --CF.sub.3, --NO.sub.2 and halogen, A is either ##STR2## in which R.sub.3 and R.sub.4 are individually selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms and aryl, R.sub.5 is selected from the group consisting of aryl of 6 to 14 carbon atoms, heteroaryl of 3 to 14 carbon atoms, alkyl of 1 to 14 carbon atoms, alkyl substituted with --NH.sub.2, --NHAlk or ##STR3## alkenyl of 2 to 6 carbon atoms, alkenyl of 2 to 6 carbon atoms substituted with aryl of 6 to 14 carbon atoms, Alk and Alk' are alkyl of 1 to 6 carbon atoms or, when R.sub.1 is hydrogen, A is ##STR4## and R.sub.3a are individually selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms, aryl and ##STR5## or R.sub.2a and R.sub.3a together form acetonide, R.sub.4a is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms and aryl, R.sub.5a is selected from the group consisting of alkyl of 1 to 4 carbon atoms and aryl with the proviso that when X is 8--CF.sub.3, R.sub.1 and R.sub.3 are hydrogen, R.sub.2 is 2-thiazolyl, R.sub.4 is methyl, R.sub.5 is not methyl and their non-toxic, pharmaceutically acceptable salts with acids or bases having analgesic and anti-inflammatory activity.
从由光学异构体和4-羟基-3-喹啉羧酸酯的拉克酸盐中选择的化合物,其化学式为##STR1##其中X位于5、6、7或8位置,选择自氢、卤素、碳原子数为1到5的烷基、碳原子数为1到4的烷氧基、--CF.sub.3、--SCF.sub.3和--OCF.sub.3的群组中,R.sub.1选择自氢和碳原子数为1到4的烷基,R.sub.2选择自噻唑基、4,5-二氢噻唑基、吡啶基、噁唑基、异噁唑基、咪唑基、嘧啶基和四唑基的群组中,所有这些基都可以用碳原子数为1到4的烷基和苯基以及苯基上至少一个成员的群组--OH、烷基和碳原子数为1到4的烷氧基、--CF.sub.3、--NO.sub.2和卤素进行取代,A可以是##STR2##其中R.sub.3和R.sub.4分别选择自氢、碳原子数为1到4的烷基和芳基,R.sub.5选择自碳原子数为6到14的芳基、碳原子数为3到14的杂环芳基、碳原子数为1到14的烷基、烷基取代--NH.sub.2、--NHAlk或##STR3##烯基取代为6到14碳原子的芳基、Alk和Alk'为碳原子数为1到6的烷基或者当R.sub.1为氢时,A为##STR4##并且R.sub.3a和R.sub.4a分别选择自氢、碳原子数为1到4的烷基、芳基和##STR5##或者R.sub.2a和R.sub.3a一起形成缩醛,R.sub.4a选择自氢、碳原子数为1到4的烷基和芳基,R.sub.5a选择自碳原子数为1到4的烷基和芳基,但如果X为8--CF.sub.3,R.sub.1和R.sub.3为氢,R.sub.2为2-噻唑基,R.sub.4为甲基,R.sub.5不是甲基,以及它们的无毒、药用可接受的酸或碱盐,具有镇痛和抗炎活性。