The invention concerns novel esters of 4-(1-hydroxy-2-[(acylamino)alkylamino]ethyl)phenols of the formula: ##STR1## and salts thereof, wherein R.sup.1 and R.sup.2 are (3-5C)alkyl, R.sup.3 and R.sup.4 are hydrogen or methyl, A is a direct bond or methylene, and Q is various heteroaromatic containing groups. The esters possess topical anti-inflammatory properties and the invention provides pharmaceutical compositions containing the esters and processes for their chemical manufacture.
本发明涉及公式为:##STR1##的4-(1-羟基-2-[(酰胺基)烷基
氨基]乙基)
苯酚的新酯及其盐,其中R.sup.1和R.sup.2为(3-5C)烷基,R.sup.3和R.sup.4为氢或甲基,A为直接键或亚甲基,Q为含有各种杂环芳基的基团。这些酯具有局部抗炎性能,本发明提供了含有这些酯的制药组合物及其
化学制备过程。