Novel compounds which are effective PDE IV inhibitors are disclosed. These compounds have the general structure of:
where R1, R2, R3, R4, X1, X2 and Z are described herein. The compounds possess improved PDE IV inhibition as compared to rolipram as well as with improved selectivity with regard to PDE III inhibition. Pharmaceutical compositions containing the same and methods of treatment are also disclosed.
本发明揭示了一种有效的PDE IV
抑制剂新化合物。这些化合物具有以下一般结构:其中R1、R2、R3、R4、X1、X2和Z的描述如下。与洛利普兰相比,这些化合物具有改善的PDE IV抑制作用,并具有改善的PDE III抑制选择性。本发明还揭示了含有该化合物的制药组合物和治疗方法。