申请人:Edlin Christopher David
公开号:US20090131431A1
公开(公告)日:2009-05-21
The invention provides a compound of formula (I) or a salt thereof:
wherein R
2
is H, C
1-3
alkyl, n-butyl, C
1-2
fluoroalkyl, cyclopropyl, cyclobutyl, (cyclopropyl)methyl-, —CN, or —CH
2
OH; R
3
is inter alia optionally substituted C
4-7
cycloalkyl or an optionally substituted heterocyclic group (aa), (bb) or (cc);
R
a
is H, methyl or ethyl; R
b
is H or methyl;
R
4
is H, methyl, ethyl, n-propyl, —C(O)-Me, or —C(O)—C
1
fluoroalkyl;
and R
5
is: —C(O)—(CH
2
)
n
—Ar, —C(O)-Het, —C(O)—C
1-6
alkyl, —C(O)—C
1
fluoroalkyl, —C(O)—(CH
2
)
2
—C(O)—NR
15b
NR
15b
, —C(O)—CH
2
—C(O)—NR
15b
NR
15b
, —C(O)—NR
15b
—(CH
2
)m
1
—Ar, —C(O)—NR
15b
—Het, —C(O)—NR
15b
—C
1-6
alkyl, —C(O)—NR
5a
R
5b
, —S(O)
2
—(CH
2
)
m
2
—Ar, —S(O)
2
-Het, —S(O)
2
—C
1-6
alkyl, or —CH
2
—Ar;
or R
4
and R
5
taken together are —(CH
2
)
p
1
—, —(CH
2
)
2
—X
5
—(CH
2
)
2
—, —C(O)—(CH
2
)
p
2
—, —C(O)—N(R
15
)—(CH
2
)
p
3
—; or NR
4
R
5
is of sub-formula (y), (y1), (y2) or (y3).
The invention provides the use of the compounds as inhibitors of phosphodiesterase type IV (PDE4) and/or for the treatment and/or prophylaxis of inflammatory and/or allergic diseases such as COPD and the like.
本发明提供了公式(I)的化合物或其盐:其中R2为H,C1-3烷基,正丁基,C1-2氟代烷基,环丙基,环丁基,(环丙基)甲基,—CN或—CH2OH; R3为其中可选取代的C4-7环烷基或可选取代的杂环基(aa),(bb)或(cc); Ra为H,甲基或乙基; Rb为H或甲基; R4为H,甲基,乙基,正丙基,—C(O)-Me或—C(O)-C1氟代烷基; R5为:—C(O)-(CH2)n-芳基,—C(O)-杂环,—C(O)-C1-6烷基,—C(O)-C1氟代烷基,—C(O)-(CH2)2-C(O)-NR15bNR15b,—C(O)-CH2-C(O)-NR15bNR15b,—C(O)-NR15b-(CH2)m1-芳基,—C(O)-NR15b-杂环,—C(O)-NR15b-C1-6烷基,—C(O)-NR5aR5b,—S(O)2-(CH2)m2-芳基,—S(O)2-杂环,—S(O)2-C1-6烷基或—CH2-芳基; 或R4和R5一起取代为—(CH2)p1—,—(CH2)2-X5-(CH2)2—,—C(O)-(CH2)p2—,—C(O)-N(R15)-(CH2)p3—; 或NR4R5为亚公式(y),(y1),(y2)或(y3)。本发明提供了将该化合物用作磷酸二酯酶IV型(PDE4)的抑制剂和/或用于治疗和/或预防炎症和/或过敏性疾病,如COPD等的用途。