Compounds useful as inhibitors of PDE4 in the treatment of diseases regulated by the activation and degranulation of eosinophils, especially asthma, chronic bronchitis, and chronic obstructive pulmonary disease, of Formula (1.0.0):
wherein R5 and R6 are taken together to form a moiety of partial Formulas (1.1.1) through (1.1.5):
or a pharmaceutically acceptable salt thereof.
本发明涉及一种化合物,其在治疗由嗜酸性粒细胞的激活和脱颗粒调节的疾病中,特别是哮喘、慢性支气管炎和慢性阻塞性肺疾病中作为PDE4
抑制剂有用。该化合物的
化学式为(1.0.0),其中R5和R6共同形成部分
化学式(1.1.1)至(1.1.5)中的一个,或其药学上可接受的盐。