申请人:Beecham Group Limited
公开号:US04427686A1
公开(公告)日:1984-01-24
A compound of the formula (I): ##STR1## wherein R.sub.1 is hydrogen or C.sub.1-6 alkyl; R.sub.2, R.sub.3 and R.sub.4 are the same or different and are chosen from hydrogen, hydroxyl, halogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy and C.sub.1-4 alkanoyl; G is H or OH; and m and n are independently 1 to 3; with the proviso that when G is OH, one of m or n is 1; is useful in the prophylaxis and treatment of diseases whose symptoms are controlled by the mediators of the allergic response, for example asthma, hay fever, rhinitis and allergic eczema.
化合物的化学式为(I): ##STR1## 其中,R.sub.1是氢或C.sub.1-6烷基;R.sub.2,R.sub.3和R.sub.4相同或不同,选择自氢,羟基,卤素,C.sub.1-4烷基,C.sub.1-4烷氧基和C.sub.1-4酰基;G是H或OH;m和n独立地为1至3;但是当G为OH时,m或n之一为1;该化合物在预防和治疗由过敏反应介质控制的疾病的症状中是有用的,例如哮喘,花粉热,鼻炎和过敏性湿疹。