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 CH2、(CH2)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 —CH2CH2NR10R11,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。