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 -CH2-, -CH(OH)-, -CH(ORX)-, -CH(SRY)- or carbonyl; R1 and R2 are the same ordifferent and each represent a hydrogen atom, substituted or unsubstituted lower alkyl, substituted or unsubstituted lower alkenyl or substituted or unsubstituted lower alkanoyl or R1 and R2 form a benzene ring together two carbon atoms each being adjacent thereto; and R3, R4 and R5 are the same or different and each represent a hydrogen atom, substituted or unsubstituted lower alkyl, etc.)
提供一种
吲哚衍
生物,其
化学式如上所示(I),或其药用盐,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,取代或未取代的较低烷基,取代或未取代的较低
烯基或取代或未取代的较低烷酰基,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,取代或未取代的较低烷基等。)