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.
提供了一种新型的苯甲酰胺衍生物,其化学式为I1,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-苯并二氧杂环基,1,3-苯并二氧杂环基,色环基,茚基,联苯基,苯基和取代苯基,其中所述取代苯基被一个或两个取代基取代,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R4和R5共同为—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各自独立地选自氢或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钾通道开放有反应的疾病。