申请人:Boehringer Mannhein Italia, S.p.A.
公开号:US04968706A1
公开(公告)日:1990-11-06
Compounds of formula I ##STR1## wherein Ar is an optionally substituted phenyl ring; B is a single bond, a group --(CH.sub.2 OCH.sub.2).sub.n being n=1 or 2, a 2,4-disubstituted-1,3-dioxolane ring or a 2,4-disubstituted-1,3-thioxolane ring, R is a single bond, an optionally substituted methylene or ethylene group and T is 2-, 3- or 4-pyridyl, an optionally salified or esterified carboxy group or a carboxyamide group. Said compounds are useful in treatment of respiratory diseases.
式I的化合物
其中Ar是可选择取代的苯环;B是一个单键,一个基团--(CH.sub.2 OCH.sub.2).sub.n,其中n=1或2,一个2,4-二取代-1,3-二氧兰环或一个2,4-二取代-1,3-硫代二氧兰环,R是一个单键,一个可选择取代的亚甲基或乙烯基团,T是2-、3-或4-吡啶基,一个可选择盐化或酯化的羧基或一个羧酰胺基团。这些化合物在治疗呼吸系统疾病中有用。