申请人:Astra Pharmaceuticals Limited
公开号:US05883102A1
公开(公告)日:1999-03-16
Compounds of formula (I) wherein: R.sup.1 and R.sup.19 independently represent hydrogen, alkyl C1-6, alkoxy C1-6, alkylthio C1-6, halogen, hydroxyl or amino; R.sup.2 represents H or alkyl; R.sup.3 represents phenyl, a 6-membered heterocyclic aromatic ring containing one or two nitrogen atoms, or a 5-membered heterocyclic aromatic ring containing 1 to 3 heteroatoms selected from O,N, and S, which phenyl or heterocyclic aromatic ring may be optionally substituted by alkyl C1-6, alkoxy C1-6, haologen, hydroxyl, alkylthio C1-6, cyano, trifluoromethyl, nitro, hydroxymethyl, amino, a group --(CH.sub.2).sub.c NHCO.sub.2 R.sup.10, a group --(CH.sub.2).sub.c NR.sup.5 R.sup.6, or a group --CO.sub.2 R.sup.11 ; or R.sup.3 represents hydrogen or alkyl C1-8, which alkyl group may be optionally substituted by amino or a group --NHCO.sub.2 R.sup.10 ; R.sup.4 represents hydrogen or alkyl C1-6; or R.sup.3 and R.sup.4 taken together represent a group (CH.sub.2).sub.a Z(CH.sub.2).sub.b ; c represents an integer 0 to 2; and pharmaceutically acceptable salts thereof, have been found to be useful as a pharmaceuticals. The compounds may especially be used in the treatment of inflammatory disorders.
化学式为(I)的化合物,其中:R.sup.1和R.sup.19分别表示氢,烷基C1-6,烷氧基C1-6,烷硫基C1-6,卤素,羟基或氨基;R.sup.2表示H或烷基;R.sup.3表示苯基,含有一个或两个氮原子的6元杂环芳香环,或含有1至3个杂原子(选自O,N和S)的5元杂环芳香环,其中苯基或杂环芳香环可以选择地由烷基C1-6,烷氧基C1-6,卤素,羟基,烷硫基C1-6,氰基,三氟甲基,硝基,羟甲基,氨基,--(CH.sub.2).sub.c NHCO.sub.2 R.sup.10,--(CH.sub.2).sub.c NR.sup.5 R.sup.6或--CO.sub.2 R.sup.11的基团取代;或R.sup.3表示氢或烷基C1-8,所述烷基可以选择地由氨基或--NHCO.sub.2 R.sup.10的基团取代;R.sup.4表示氢或烷基C1-6;或R.sup.3和R.sup.4一起表示(CH.sub.2).sub.a Z(CH.sub.2).sub.b的基团;c表示整数0至2;以及其药学上可接受的盐,已被发现可以用作药物。这些化合物可以特别用于治疗炎症性疾病。