To provide thienopyrazole derivatives inhibiting PDE 7 selectively, and therefore, enhance cellular cAMP level. Consequently, the compound is useful for treating various kinds of disease such as allergic diseases, inflammatory diseases or immunologic diseases. The compound is thienopyrazole compound represented by the following formula (I):
[wherein, especially, R
1
is a cyclohexyl, a cycloheptyl group or a tetrahydropyranyl group; R
2
is methyl; R
3
is a hydrogen atom; and R
4
is a group: —CONR
5
R
6
(in which any one of R
5
and R
6
is a hydrogen atom)].
提供选择性抑制PDE 7的
噻唑并
吡嗪衍
生物,从而增强细胞c
AMP水平。因此,该化合物可用于治疗各种疾病,如过敏性疾病、炎症性疾病或免疫性疾病。该化合物是由以下式子(I)表示的
噻唑并
吡嗪化合物:[其中,特别地,R1是环己基、环庚基或
四氢吡喃基;R2是甲基;R3是氢原子;R4是一个基团:—CONR5R6(其中R5和R6中的任意一个是氢原子)]。