申请人:Beecham Group Limited
公开号:US04309443A1
公开(公告)日:1982-01-05
A compound of the formula (I): ##STR1## or a pharmaceutically acceptable ester, amide or salt thereof wherein R.sub.1 is a hydrogen, fluorine, chlorine or bromine atom or a hydroxyl, hydroxymethyl, methyl, methoxyl, amino, formamido, acetamido, methylsulphonylamido, nitro, benzyloxy, methylsulphonylmethyl, ureido, trifluoromethyl or p-methoxybenzylamino group; R.sub.2 is a hydrogen, fluorine, chlorine or bromine atom or a hydroxyl group; R.sub.3 is a hydrogen, chlorine or bromine atom or a hydroxyl group; R.sub.4 is a hydrogen, chlorine or fluorine atom or a methyl, methoxyl or hydroxyl group or a carboxylic acid group or a salt, ester or amide thereof; R.sub.5 is a hydrogen atom or a methyl group; R.sub.6 is a hydrogen atom or a methyl group; R.sub.7 is a hydrogen atom or a methyl or ethyl group; R.sub.8 is a hydrogen atom or a methyl or ethyl group; X is an oxygen atom or a bond, and Y is an alkylene group of up to 5 carbon atoms, or a bond has been found to possess anti-obesity and/or anti-hyperglycaemic activity.
该化合物的结构式为(I):##STR1##或其药学上可接受的酯、酰胺或盐,其中R.sub.1是氢、氟、氯或溴原子或羟基、羟甲基、甲基、甲氧基、氨基、甲酰胺基、乙酰胺基、甲基磺酰胺基、硝基、苄氧基、甲基磺基甲基、脲基、三氟甲基或对甲氧基苄氨基基团;R.sub.2是氢、氟、氯或溴原子或羟基;R.sub.3是氢、氯或溴原子或羟基;R.sub.4是氢、氯或氟原子或甲基、甲氧基或羟基或羧酸基或其盐、酯或酰胺;R.sub.5是氢原子或甲基基团;R.sub.6是氢原子或甲基基团;R.sub.7是氢原子或甲基或乙基基团;R.sub.8是氢原子或甲基或乙基基团;X是氧原子或键,Y是最多含有5个碳原子的烷基基团,或者发现具有抗肥胖和/或抗高血糖活性。