Cinnamic acid derivatives, their preparation, and pharmaceutical compositions containing them
申请人:BEECHAM GROUP PLC
公开号:EP0025331A1
公开(公告)日:1981-03-18
Acompoundoftheformula(I):
or a pharmaceutically acceptable ester, amide or salt thereof wherein R, is a hydrogen, fluorine, chlorine or bromine atom or a hydroxyl, hydroxymethyl, methyl, methoxyl, amino, formamido, acetamido, methylsulphonylamido, nitro, benzyloxy, methyl-sulphonylmethyl, ureido, trifluoromethyl or p-methoxybenzylamino group; R2 is a hydrogen, fluorine, chlorine or bromine atom or a hydroxyl group; R3 is a hydrogen, chlorine or bromine atom or a hydroxyl group; R. 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, is a hydrogen atom or a methyl group; R6 is a hydrogen atom or a methyl group; R7 is a hydrogen atom or a methyl or ethyl group; R8 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.
式(I)的化合物:
或其药学上可接受的酯、酰胺或盐 其中 R,是氢、
氟、
氯或
溴原子或羟基、羟甲基、甲基、甲氧基、
氨基、甲酰
氨基、乙酰
氨基、甲磺酰
氨基、硝基、苄氧基、甲磺酰甲基、
脲基、三
氟甲基或对甲氧基苄基
氨基;R2 是氢、
氟、
氯或
溴原子或羟基; R3 是氢、
氯或
溴原子或羟基; R.是氢、
氯或
氟原子或甲基、甲氧基或羟基或
羧酸基或它们的盐、酯或酰胺; R6 是氢原子或甲基;R7 是氢原子或甲基或乙基; R8 是氢原子或甲基或乙基; X 是氧原子或键,Y 是最多 5 个碳原子的亚烷基或键。