There is provided an indole derivative represented by the above formula (I) or a pharmaceutically acceptable salt thereof which is useful for the treatment of malignant tumor or a brain neurodegenerative disease:
(wherein C ring represents a benzene ring or a cyclohexene ring; X and Y are the same or different and each represent —CH
2
—, —CH(OH)—, —CH(OR
x
)—, —CH(SR
Y
)— or carbonyl; R
1
and R
2
are the same or different and each represent a hydrogen atom, substituted or unsubstituted lower alkyl, substituted or unsubstituted lower alkenyl or substituted or unsubstituted lower alkanoyl or R
1
and R
2
form a benzene ring together two carbon atoms each being adjacent thereto; and R
3
, R
4
and R
5
are the same or different and each represent a hydrogen atom, substituted or unsubstituted lower alkyl, etc.)
提供一种印度酮衍
生物,其
化学式如上所示(I)或其药学上可接受的盐,可用于治疗恶性肿瘤或脑神经退行性疾病:(其中C环代表苯环或
环己烯环;X和Y相同或不同,每个代表-
CH2-,-CH(OH)-,-CH(ORx)-,-CH(SRY)-或羰基;R1和R2相同或不同,每个代表氢原子,取代或未取代的低烷基,取代或未取代的低烯基或取代或未取代的低烷酰基,或R1和R2共同形成苯环,两个相邻的碳原子;而R3,R4和R5相同或不同,每个代表氢原子,取代或未取代的低烷基等)。