申请人:——
公开号:US20020156120A1
公开(公告)日:2002-10-24
There is provided novel 3-fluoro-3-phenyl oxindole derivatives of Formula I
1
wherein
R
1
, R
2
, R
3
and R
4
each are independently hydrogen, C
1-4
alkyl, halogen, fluoromethyl, trifluoromethyl, phenyl, 4-methylphenyl or 4-trifluoromethylphenyl;
R
5
is C
1-6
alkyl optionally substituted with one to three same or different groups selected from fluoro and chloro, provided R
5
is not C
1-6
alkyl when Y is O;
Y is O or S; and
R
6
and R
7
each are independently hydrogen, chloro, bromo or trifluoromethy;
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.
提供了一种新的式I1的3-氟-3-苯基吲哚衍生物,其中R1、R2、R3和R4各自独立地为氢、C1-4烷基、卤素、氟甲基、三氟甲基、苯基、4-甲基苯基或4-三氟甲基苯基;R5为C1-6烷基,可选地取代一到三个相同或不同的氟或氯基,但当Y为O时,R5不为C1-6烷基;Y为O或S;R6和R7各自独立地为氢、氯、溴或三氟甲基;它们是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。