Pyrazolo[3,4-b]pyridine compounds which are useful for their activity in the central nervous system of warm-blooded animals, of the formula:
wherein R, is lower alkyl, Ra is hydrogen and Rb is hydroxy or Ra and Rb combine to form a = 0 group, R5 is hydrogen or lower alkyl, and Re is lower alkyl, and the pharmaceutically-acceptable salts thereof. Process for the manufacture of said compounds. Pharmaceutical compositions comprising one of said compounds and a pharmaceutically-acceptable diluent or carrier.
对温血动物中枢神经系统有活性的
吡唑并[3,4-b]
吡啶化合物,其式如下
其中R,为低级烷基,Ra为氢,Rb为羟基或Ra和Rb结合形成一个=0基团,R5为氢或低级烷基,Re为低级烷基,及其药学上可接受的盐。上述化合物的制造工艺。包含上述化合物之一和药学上可接受的稀释剂或载体的药物组合物。