申请人:Kaken Pharmaceutical Co., Ltd.
公开号:US04731375A1
公开(公告)日:1988-03-15
A chromene derivative having the general formula (I): ##STR1## wherein n is 1 to 5 and --O--CH.sub.2).sub.n CO.sub.2 H group is attached to 5-position, 6-position, 7-position or 8-position, or salts thereof, a process for preparing the same and antiallergic agents containing the same. The compounds of the present invention inhibit the immunological release of chemical mediators such as SRS-A and histamine from mast cell and have an excellent effect in preventing and treating the various allergic diseases such as allergic asthma, allergic dermatitis, allergic nasitis, hives, allergic enteritis and allergic conjunctivitis, especially allergic asthma.
一种具有一般式(I)的香豆素衍生物:##STR1## 其中n为1至5,--O--CH.sub.2).sub.n CO.sub.2 H基团连接到5位、6位、7位或8位,或其盐,以及制备其的方法和含有其的抗过敏剂。本发明化合物抑制肥大细胞释放SRS-A和组胺等化学介质的免疫反应,并在预防和治疗各种过敏性疾病方面具有优异的效果,例如过敏性哮喘、过敏性皮炎、过敏性鼻炎、荨麻疹、过敏性肠炎和过敏性结膜炎,尤其是过敏性哮喘。