申请人:Ford John
公开号:US20050282829A1
公开(公告)日:2005-12-22
A compound of formula (I)
wherein
R
1
is aryl, heteroaryl, cycloalkyl or alkyl;
R
2
is H, alkyl, nitro, —CO
2
R
7
, CONR
4
R
5
or halo;
R
3
is H, NR
4
R
5
, NC(O)R
8
, halo, trifluoromethyl, alkyl, nitrile or alkoxy;
R
4
and R
5
may be the same or different, and may be H, alkyl, aryl, heteroaryl or cycloalkyl; or R
4
and R
5
may together form a saturated, unsaturated or partially saturated 4 to 7 member ring, wherein said ring may optionally comprise one or more further heteroatoms selected from N, O or S;
X is O, S or NR
6
;
R
6
is H or alkyl;
R
7
is hydrogen, methyl or ethyl;
R
8
is methyl or ethyl;
L is (CH
2
)
n
, where n is 1, 2 or 3; and Y is aryl, a heterocyclic group, alkyl, alkenyl or cycloalkyl; together with pharmaceutically acceptable salts thereof. The use of these compounds as potassium channel inhibitors is also described.
化合物的结构式为(I),其中
R1为芳基,杂环芳基,
环烷基或烷基;
R2为
氢,烷基,硝基,—CO2R7,CONR4R5或卤素;
R3为
氢,NR4R5,NC(O)R8,卤素,三
氟甲基,烷基,腈基或烷
氧基;
R4和R5可以相同也可以不同,可以是
氢,烷基,芳基,杂环芳基或
环烷基;或者R4和R5可以共同形成饱和的、不饱和的或部分饱和的4至7成员环,其中该环可以选择性地包含一个或多个来自N、O或S的进一步杂原子;
X为O、S或NR6;
R6为
氢或烷基;
R7为
氢、
甲基或乙基;
R8为
甲基或乙基;
L为(
CH2)n,其中n为1、2或3;
Y为芳基、杂环基、烷基、
烯基或
环烷基;
以及其药学上可接受的盐。同时也描述了这些化合物作为
钾通道
抑制剂的用途。