申请人:Biorex Laboratories Limited
公开号:US04190671A1
公开(公告)日:1980-02-26
The present invention provides new chalcone derivatives of the general formula: ##STR1## wherein R.sub.1 is a hydroxyl, carboxylic acid or sulphonic acid group or a carboxyalkoxy or sulphoalkoxy radical, R.sub.2 and R.sub.3, which may be the same or different, are hydrogen or halogen atoms, hydroxyl groups or alkoxy radicals and R.sub.4 is an alkyl, hydroxyalkyl, alkoxy, carboxyalkoxy, sulphoalkoxy or carboxyalkylcarbonyloxyalkyl radical or a carboxylic acid or sulphonic acid group, with the proviso that compounds of general formula (Ia) always contain at least one carboxylic acid or sulphonic acid group; and the non-toxic inorganic and organic salts of those compounds containing at least one carboxylic acid or sulphonic acid group, the compounds of the invention are useful for treating inflammatory and allergic conditions and for treating ulcerous conditions of the gastro-intestinal tract in humans.
本发明提供了通式为:##STR1##的新查耳酮衍生物,其中R1为羟基、羧酸或磺酸基团或羧酸烷氧基或磺酸烷氧基,R2和R3可以相同或不同,为氢或卤素原子、羟基或烷氧基,R4为烷基、羟烷基、烷氧基、羧酸烷氧基、磺酸烷氧基或羧酸烷基羰氧烷基,或羧酸或磺酸基团,前提是通式(Ia)的化合物总是至少含有一个羧酸或磺酸基团;以及那些至少含有一个羧酸或磺酸基团的化合物的无毒无机和有机盐,本发明的化合物可用于治疗炎症和过敏状况,以及治疗人类的胃肠道溃疡状况。