申请人:Ciba-Geigy Corporation
公开号:US04614745A1
公开(公告)日:1986-09-30
The invention relates to novel thiopyrones, especially novel benzothiopyranones of the general formula ##STR1## in which R.sub.1 represents hydrogen or an aliphatic radical, n represents 0, 1 or 2, Ph represents substituted or unsubstituted 1,2-phenylene and A represents a group of the formula --NH--CO--R in which R represents carboxy or esterified carboxy, and to their salts, processes for the manufacture of compounds of the formula (I) and their salts, pharmaceutical preparations containing such compounds and to the use of compounds of the formula (I) and their salts as the active ingredients of medicaments and/or for the manufacture of pharmaceutical preparations. The compounds of the formula (I) and their salts have anti-allergic properties.
本发明涉及新型硫代吡喃,特别是一般式为 ##STR1## 中的新型苯并硫代吡喃,其中R.sub.1代表氢或脂肪基,n代表0、1或2,Ph代表取代或未取代的1,2-苯撑基,A代表公式--NH--CO--R的基团,其中R代表羧基或酯化羧基,以及它们的盐,制备公式(I)化合物及其盐的过程,含有这种化合物的制药制剂,以及将公式(I)化合物及其盐作为药物的活性成分和/或制备制药制剂的用途。公式(I)化合物及其盐具有抗过敏性能。