Quinazoline derivatives and their preparation
    4.
    发明授权
    Quinazoline derivatives and their preparation 失效
    喹唑啉衍生物及其制备方法

    公开(公告)号:US5296487A

    公开(公告)日:1994-03-22

    申请号:US755747

    申请日:1991-09-06

    CPC分类号: C07D401/06

    摘要: A compound of the formula: ##STR1## in which R.sup.1 and R.sup.2 are each hydrogen, halogen, nitro, amino, protected amino, hydroxyamino, lower alkyl, hydroxy, protected hydroxy, sulfamoyl, carboxy, protected carboxy, mercapto, optionally substituted heterocyclic-carbonyl, optionally substituted heterocyclic-(lower)alkyl, lower alkylthio, hydroxy(lower)alkyl or protected hydroxy(lower)alkyl,R.sup.3 is aryl which may have suitable substituent(s), andA is lower alkylene,or pharmaceutically acceptable salts thereof.

    摘要翻译: 下式的化合物,其中R 1和R 2各自为氢,卤素,硝基,氨基,保护的氨基,羟基氨基,低级烷基,羟基,保护的羟基,氨磺酰基,羧基,被保护的羧基,巯基,任选取代的杂环 - 羰基,任选取代的杂环 - (低级)烷基,低级烷硫基,羟基(低级)烷基或被保护的羟基(低级)烷基,R 3为可具有合适取代基的芳基,A为低级亚烷基或其药学上可接受的盐 。