申请人:Mulla Mushtaq
公开号:US20100087428A1
公开(公告)日:2010-04-08
The present invention provides a compound of formula (I)
or its salts or pharmaceutically acceptable derivatives thereof wherein;
X
1
is selected from a group consisting of CH
2
, C(═O), C(═NH), NC(═O),
R
1
is selected from the group consisting of optionally substituted arylalkyl, and optionally substituted heteroarylalkyl
R
2
is selected from the group consisting of optionally substituted alkyl, optionally substituted aryl or heteroaryl or NR
24
R
25
R
3
is selected from the group consisting of hydrogen, halogen, hydroxyl, alkoxy, aryloxy, optionally substituted alkyl, optionally substituted amino, optionally substituted amino sulfonyl or nitrile;
R
4
is selected from the group consisting of optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, optionally substituted acyl, optionally substituted sulfonyl, optionally substituted sulfamoyl, optionally substituted aryl, optionally substituted arylalkyl, and optionally substituted heteroaryl
R
5
may be hydrogen, an optionally substituted alkyl, preferably CH
3
or, NR
4
R
5
may form an optionally substituted saturated or partially saturated 4-7 membered ring with the general formula (II).
Wherein;
X
2
is C(═O), CH
2
, CH(R
6
) or C(R
6
)(R
6
),
X
3
is CH
2
, CH(R
7
), C(R
7
)(R
7
), NH, N(R
8
), O or S
Each R
6
independently represents optionally substituted amino, optionally substituted amino carbonyl, hydroxyl, optionally substituted acyl, optionally substituted alkoxy, optionally substituted aryloxy, optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted arylalky, optionally substituted aryl or optionally substituted heteroaryl;
Each R
7
independently represents optionally substituted amino, optionally substituted amino carbonyl, hydroxyl, optionally substituted acyl, optionally substituted alkoxy, optionally substituted aryloxy, optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted arylalky, optionally substituted aryl or optionally substituted hetero aryl
R
8
is optionally substituted acyl, optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted arylalkyl, optionally substituted aryl or optionally substituted heteroaryl;
R
24
and R
25
are the same or different and each represents hydrogen, optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted arylalkyl, optionally substituted aryl or optionally substituted heteroaryl,
n=1 or 2
m=1, 2 or 3
With the proviso that when X
1
is C═O and R
5
is H then R
4
is not:
Or
Or
Where R
4
a, R
5
a and R
6
a are each independently H, C
1-6
alkyl, aryl, heteroaryl, cycloalkyl, or aryl-C
1-6
alkyl;
R
10
a is H or C
1-6
alkyl; and
R
11
a is C
1-6
alkyl or aryl-C
1-6
alkyl
and when X
1
is C═O or CH
2
and R
5
is H then R
4
is not:
Where q is 0 to 5,
R
3
b is H, OH or alkoxy and
R
4
b is NH
2
, phenyl or a C
3-10
heterocycle. The compounds are useful as potassium ion channel inhibitors.
本发明提供了式(I)的化合物或其盐或药学上可接受的衍生物,其中:
X1选择自群组,所述群组由CH2,C(═O),C(═NH),NC(═O)组成,
R1选择自群组,所述群组由可选取代的芳基烷基和可选取代的杂芳基烷基组成,
R2选择自群组,所述群组由可选取代的烷基,可选取代的芳基或杂芳基或NR24R25组成,
R3选择自群组,所述群组由氢,卤素,羟基,烷氧基,芳氧基,可选取代的烷基,可选取代的氨基,可选取代的氨基磺酰基或腈组成;
R4选择自群组,所述群组由可选取代的烷基,可选取代的环烷基,可选取代的杂环烷基,可选取代的酰基,可选取代的磺酰基,可选取代的磺酰胺基,可选取代的芳基,可选取代的芳基烷基和可选取代的杂芳基组成,
R5可以是氢,可选取代的烷基,优选CH3或NR4R5可以形成具有一般式(II)的可选取代的饱和或部分饱和的4-7成员环:
其中,X2为C(═O),CH2,CH(R6)或C(R6)(R6),
X3为CH2,CH(R7),C(R7)(R7),NH,N(R8),O或S,
每个R6独立地表示可选取代的氨基,可选取代的氨基羰基,羟基,可选取代的酰基,可选取代的烷氧基,可选取代的芳氧基,可选取代的烷基,可选取代的环烷基,可选取代的芳基烷基,可选取代的芳基或可选取代的杂芳基;
每个R7独立地表示可选取代的氨基,可选取代的氨基羰基,羟基,可选取代的酰基,可选取代的烷氧基,可选取代的芳氧基,可选取代的烷基,可选取代的环烷基,可选取代的芳基烷基,可选取代的芳基或可选取代的杂芳基;
R8为可选取代的酰基,可选取代的烷基,可选取代的环烷基,可选取代的芳基烷基,可选取代的芳基或可选取代的杂芳基;
R24和R25相同或不同,每个表示氢,可选取代的烷基,可选取代的环烷基,可选取代的芳基烷基,可选取代的芳基或可选取代的杂芳基,
n为1或2,
m为1,2或3,
但是当X1为C═O且R5为H时,则R4不为:
或
其中,R4a,R5a和R6a各自独立地为H,C1-6烷基,芳基,杂芳基,环烷基或芳基-C1-6烷基;
R10a为H或C1-6烷基;
R11a为C1-6烷基或芳基-C1-6烷基,
当X1为C═O或CH2且R5为H时,则R4不为:
其中,q为0至5,
R3b为H,OH或烷氧基,
R4b为NH2,苯基或C3-10杂环。这些化合物可用作钾离子通道抑制剂。