The invention concerns novel esters of 4-(1-hydroxy-2-[(acylamino]alkylamino]ethyl)phenols of the formula:-
and salts thereof, wherein R1 and R2 are (3-5C)alkyl, R3 and R4 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 4-(1-羟基-2-[(酰基
氨基]烷基
氨基]乙基)
苯酚的新型
酯类,其式为:-及其盐类,其中 R1 和 R2 为 (3-5C)烷基,R3 和 R4 为氢或甲基,A 为直接键或亚甲基,Q 为各种含杂芳基的基团。 这些
酯类具有局部消炎特性,本发明提供了含有这些
酯类的药物组合物及其
化学制造工艺。