Pyrazolo '3,4-B! Pyridine Compounds And Their Use As Phosphodiesterase Type 4(Pde4) Inhibitors
申请人:Allen George David
公开号:US20080021058A1
公开(公告)日:2008-01-24
The invention provides a compound of formula (I) or a salt thereof:
wherein W is Ar, —CR
4
R
5
Ar or a group (y) or (y1), wherein Ar is (x) or (z):
R
1
is C
1-4
alkyl, C
1-3
fluoroalkyl or —CH
2
CH
2
OH. R
2
is C
2-6
alkyl, C
3-6
cycloalkyl or —(CH
2
)
n
4-C
3-6
cycloalkyl; and R
3
is optionally substituted C
3-8
cycloalkyl, optionally substituted mono-unsaturated-C
5-7
cycloalkenyl, an optionally substituted heterocyclic group (aa), (bb) or (cc) (in which Y is O, S, SO
2
, or NR
10
), or a bicyclic group (ee):
These compounds are PDE4 inhibitors.
本发明提供了式(I)的化合物或其盐:其中,W为Ar,—CR4R5Ar或(y)或(y1)基团,其中Ar为(x)或(z):R1为C1-4烷基,C1-3氟烷基或—CH2CH2OH;R2为C2-6烷基,C3-6环烷基或—(CH2)n4-C3-6环烷基;R3为可选取代的C3-8环烷基,可选取代的单不饱和C5-7环戊烯基,可选取代的杂环基(aa)、(bb)或(cc)(其中Y为O、S、SO2或NR10),或双环基(ee)。这些化合物是PDE4抑制剂。