申请人:Ciba-Geigy Corporation
公开号:US04092430A1
公开(公告)日:1978-05-30
Phenylacetohydroxamic acids having the formula I ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4, independently of each other, represent hydrogen, chlorine, fluorine or bromine atoms or an alkyl or alkoxy group having at most 6 carbon atoms, and wherein R.sub.2 may additionally represent a trifluoromethyl group with the proviso that R.sub.1, R.sub.2 and R.sub.3 may not simultaneously represent hydrogen atoms and their pharmaceutically acceptable salts with bases, which compounds inhibit plateletaggregation and exhibit valuable pharmacological, in particular, antiphlogistic, analgesic and antipyretic activity.
具有以下结构式的苯乙酰羟肟酸I,其中R.sub.1、R.sub.2、R.sub.3和R.sub.4分别独立地表示氢、氯、氟或溴原子或最多具有6个碳原子的烷基或烷氧基,并且其中R.sub.2还可以表示三氟甲基,但要求R.sub.1、R.sub.2和R.sub.3不能同时表示氢原子,以及它们与碱形成的药用可接受盐,这些化合物抑制血小板聚集并表现出有价值的药理活性,特别是抗炎、镇痛和退热活性。