申请人:SMITH KLINE & FRENCH LABORATORIES
LIMITED
公开号:EP0428268A2
公开(公告)日:1991-05-22
Compounds of the formula (1) :
and pharmaceutically acceptable salts are described, wherein X is O or S; R¹ is C₁₋₆alkyl, C₂₋₆alkenyl, C₃₋₅cycloalkylC₁₋₄alkyl, or C₁₋₄alkyl substituted by 1 to 3 fluoro groups; R² is hydrogen, -CN, -CONR⁵R⁶, -CO₂R⁷, 5-tetrazolyl, -NO₂, -NH₂ or -NHCOR⁸ wherein R⁵ to R⁸ are independently hydrogen or C₁₋₄alkyl; R³ is hydrogen or C₁₋₄alkyl; R⁴ is hydrogen or C₁₋₄alkyl; and R is halo, C₁₋₄alkyl, C₁₋₄alkoxy, cyano, -CONR⁹R¹⁰, -CO₂R¹¹, -S(0)nC₁₋₄alkyl, -NO₂, -NH₂, -NHCOR¹², or -SO₂NR¹³R¹⁴ wherein n is 0, 1 or 2 and R⁹ to R¹⁴ are independently hydrogen or C₁₋₄alkyl; with the proviso that R¹ is not methyl when R² is -CO₂H, -CO₂CH₂CH₃ or -CN, X is 0, R³ is hydrogen, R⁴ is hydrogen or methyl and R is 6-methoxy.
These compounds have bronchodilator, anti-allergic, vasodilator and anti-inflammatory activities. Pharmaceutical compositions are described as are methods of use. Processes for the preparation of the compounds of the formula (1) are described.
描述了化合物的公式(1):和药学上可接受的盐,其中X为O或S; R¹为C₁₋₆烷基,C₂₋₆烯基,C₃₋₅环烷基C₁₋₄烷基,或1至3个氟基取代的C₁₋₄烷基; R²为氢,-CN,-CONR⁵R⁶,-CO₂R⁷,5-四唑基,-NO₂,-NH₂或-NHCOR⁸,其中R⁵至R⁸独立地为氢或C₁₋₄烷基; R³为氢或C₁₋₄烷基; R⁴为氢或C₁₋₄烷基; R为卤素,C₁₋₄烷基,C₁₋₄烷氧基,氰基,-CONR⁹R¹⁰,-CO₂R¹¹,-S(0)nC₁₋₄烷基,-NO₂,-NH₂,-NHCOR¹²或-SO₂NR¹³R¹⁴,其中n为0、1或2,R⁹至R¹⁴独立地为氢或C₁₋₄烷基;但是当R²为-CO₂H,-CO₂CH₂CH₃或-CN,X为0,R³为氢,R⁴为氢或甲基,R为6-甲氧基时,R¹不是甲基。这些化合物具有支气管扩张剂、抗过敏、血管扩张剂和抗炎活性。描述了药物组合物以及使用方法。描述了制备化合物公式(1)的过程。