申请人:American Home Products Corporation
公开号:US05171857A1
公开(公告)日:1992-12-15
Disclosed herein are novel benzopyrans represented by formula (I) ##STR1## wherein R.sup.1 is trifluoromethoxy or .beta., .beta., .beta.-trifluoroethoxy; R.sup.2 and R.sup.3 are independently selected from the group consisting of hydrogen, lower alkyl containing 1 to 5 carbon atoms, cyclo lower alkyl containing 5 to 8 carbon atoms, ##STR2## or R.sup.2 and R.sup.3 are joined to form (--CH.sub.2 --).sub.n wherein n is 4 to 7; or R.sup.2 and R.sup.3 are joined together to form (--CH.sub.2 --).sub.m CO-- wherein m is 3 to 6; or R.sup.2 and R.sup.3 are joined together to form ##STR3## wherein R.sup.4 is selected from the group consisting of hydrogen, alkoxy containing 1 to 5 carbon atoms, amino or mono- or disubstituted alkyl amino wherein said alkyl groups contain 1 to 5 carbon atoms and the pharmaceutically acceptable salts and solvates thereof, to a process for preparing them, to pharmaceutical compositions containing them, and to their use in the treatment of hypertension, asthma, irritable bladder syndrome, and irritable bowel syndrome.
本文披露了一种由式(I)表示的新型苯并吡喃化合物##STR1##其中R.sup.1为三氟甲氧基或.beta.,.beta.,.beta.-三氟乙氧基;R.sup.2和R.sup.3分别选自氢、含有1至5个碳原子的低碳基、含有5至8个碳原子的环状低碳基、##STR2##或R.sup.2和R.sup.3连接形成(--CH.sub.2 --).sub.n,其中n为4至7;或R.sup.2和R.sup.3连接在一起形成(--CH.sub.2 --).sub.m CO--,其中m为3至6;或R.sup.2和R.sup.3连接在一起形成##STR3##其中R.sup.4选自氢、含有1至5个碳原子的烷氧基、氨基或单取代或双取代的烷基氨基,其中所述烷基基团含有1至5个碳原子,以及其药学上可接受的盐和溶剂,以及制备它们的方法、含有它们的药物组合物,以及它们在治疗高血压、哮喘、刺激性膀胱综合征和刺激性肠综合征中的用途。