申请人:——
公开号:US20030166650A1
公开(公告)日:2003-09-04
There is provided novel cinnamide derivatives of Formula I
1
wherein R is C
1-4
alkyl or trifluoromethyl; R
1
is selected from the group consisting of pyridinyl, quinolinyl, thienyl, furanyl, 1,4-benzodioxanyl, 1,3-benzodioxolyl, chromanyl, indanyl, biphenylyl, phenyl and substituted phenyl in which said substituted phenyl is substituted with one or two substituents each independently selected-from the group consisting of halogen, C
1-4
alkyl, C
1-4
alkoxy, trifluoromethyl, trifluoromethoxy and nitro; R
2
and R
3
are each independently selected from the group consisting of hydrogen, C
1-4
alkyl, and halogen; R
4
is selected from the group consisting of di(C
1-4
alkyl)amino, trifluoromethoxy and optionally substituted morpholin-4-yl, pyridinyl, pyrimidinyl, piperazinyl, and pyrazinyl with one or two substituents in which said substituent is independently selected from the group consisting of C
1-4
alkyl, aminomethyl, hydroxymethyl, chloro or fluoro; R
5
is hydrogen, chloro or fluoro; or R
4
and R
5
taken together are —CH═CH—CH═CH— or —X(CH
2
)
m
Y— in which X and Y are each independently selected from the group consisting of CH
2
, (CH
2
)
n
N(R
9
)— and O, wherein m is 1 or 2; n is 0 or 1; and R
6
, R
7
, and R
8
are each independently selected from hydrogen, chloro and fluoro; and R
9
is selected from the group consisting of hydrogen, C
1-4
alkyl, hydroxyethyl, C
1-4
alkoxyethyl, cyclopropylmethyl, —CO
2
(C
1-4
alkyl), and —CH
2
CH
2
NR
10
R
11
in which R
10
and R
11
are each independently hydrogen or C
1-4
alkyl, which are openers of the KCNQ potassium channels and are useful in the treatment of disorders which are responsive to the opening of the KCNQ potassium channels.
提供了一种新型的 Formula I1 中的肉桂
酰胺衍
生物,其中 R 为 C1-4 烷基或三
氟甲基;R1 选自
吡啶基、
喹啉基、
噻吩基、
呋喃基、1,4-
苯并二
氧杂基、1,3-
苯并二
氧杂基、色基、
茚基、
联苯基、
苯基和取代
苯基,其中所述取代
苯基取代有一个或两个取代基,每个取代基独立地选自卤素、C1-4 烷基、C1-4 烷
氧基、三
氟甲基、三
氟甲
氧基和硝基;R2 和 R3 各自独立地选自
氢、C1-4 烷基和卤素;R4 选自二(C1-4 烷基)
氨基、三
氟甲
氧基和可选取代的
吗啉-4-基、
吡啶基、
嘧啶基、
哌嗪基和
吡嗪基,其中所述基带有一个或两个取代基,所述取代基独立地选自 C1-4 烷基、
氨甲基、
羟甲基、
氯或
氟;R5 为
氢、
氯或
氟;或者 R4 和 R5 结合成 —CH═CH—CH═CH— 或 —X(
CH2)mY—,其中 X 和 Y 各自独立地选自 、( )nN(R9)— 和 O,其中 m 为 1 或 2;n 为 0 或 1;R6、R7 和 R8 各自独立地选自
氢、
氯和
氟;R9 选自
氢、C1-4 烷基、羟乙基、C1-4 烷
氧乙基、
环丙基甲基、—
CO2(C1-4 烷基) 和 — NR10R11,其中 R10 和 R11 各自独立地为
氢或 C1-4 烷基,这些化合物是 KCNQ
钾通道的开放剂,可用于治疗对 KCNQ
钾通道的开放有反应的疾病。