申请人:American Home Products Corporation
公开号:US04743692A1
公开(公告)日:1988-05-10
A compound of the formula: ##STR1## in which A is a 3,4-; 3,2-; or 2,3-fused thieno- moiety or a benzo- moiety; X is alkylene of 2 to 5 carbon atoms; R.sup.1 is hydrogen, bromo or methyl; R.sup.2 is methoxy when R.sup.1 is hydrogen, methyl when R.sup.1 is bromo, and bromo when R.sup.1 is methyl; R.sup.3 is hydrogen or alkyl of 1 to 6 carbon atoms; R.sup.4 is hydrogen or alkyl of 1 to 6 carbon atoms; R.sup.3 and R.sup.4, taken together, are ethylene when X is ethylene; R.sup.5 is hydrogen when A is thieno, and when A is benzo, R.sup.5 is hydrogen, alkyl of 1 to 6 carbon atoms, halo or alkoxy of 1 to 6 carbon atoms; R.sup.6 is hydrogen when A is thieno, and when A is benzo, R.sup.5 is hydrogen, alkyl of 1 to 6 carbon atoms, halo, alkoxy of 1 to 6 carbon atoms, amino, nitro, sulfamoyl or pyridinyl; m is one of the integers 0 or 1; n is one of the integers 3, 4 or 5; p is one of the integers 0, 1 or 2; and the dotted line in the thiazole ring represents unsaturation necessary to complete the 3,2- or 2,3- thieno- ring; or a pharmaceutically acceptable salt thereof are histamine H.sub.1 -antagonists useful in the treatment of various allergic reactions in the mammal.
分子式为:##STR1## 其中A是3,4-;3,2-;或2,3-融合的噻吩基团或苯基团;X是2至5个碳原子的烷基;R.sup.1是氢、溴或甲基;当R.sup.1为氢时,R.sup.2是甲氧基,当R.sup.1为溴时,R.sup.2是甲基,当R.sup.1为甲基时,R.sup.2是溴;R.sup.3是氢或1至6个碳原子的烷基;R.sup.4是氢或1至6个碳原子的烷基;当X为乙烷基时,R.sup.3和R.sup.4在一起是乙烯基;当A是噻吩时,R.sup.5是氢,当A是苯时,R.sup.5是氢、1至6个碳原子的烷基、卤素或1至6个碳原子的烷氧基;当A是噻吩时,R.sup.6是氢,当A是苯时,R.sup.5是氢、1至6个碳原子的烷基、卤素、1至6个碳原子的烷氧基、氨基、硝基、磺酰氨基或吡啶基;m是0或1中的一个整数;n是3、4或5中的一个整数;p是0、1或2中的一个整数;噻唑环中的虚线表示完成3,2-或2,3-噻吩环所必需的不饱和度;或其药学上可接受的盐是组织胺H.sub.1-拮抗剂,用于治疗哺乳动物的各种过敏反应。