申请人:KYORIN SEIYAKU KABUSHIKI KAISHA
公开号:EP0397210A1
公开(公告)日:1990-11-14
An indole derivative represented by the general formula (I)
wherein R is hydrogen, lower alkyl having 1 to 6 carbons, carboxymethyl, or substituted or unsubstituted aralkyl;
R¹, R², R³, and R⁴ may be the same with or different from each other and are hydrogen, halogen, lower alkyl having 1 to 6 carbons, lower alkoxy having 1 to 6 carbons, acyl, substituted or unsubstituted amino, nitro, hydroxy, acyloxy, substituted or unsubstituted aralkyl, substituted or unsubstituted aryloxy, or substituted or unsubstituted aralkyloxy, or a combination of R² and R³ may be methylenedioxy;
R⁵ is hydrogen, lower alkyl having 1 to 6 carbons, or substituted or unsubstituted aralkyl;
R and R⁴, or R¹ and R⁵ may form together a six-membered ring constituted of methylene chains which may contain a heteroatom;
R⁶ and R⁷ may be the same with or different from each other and are hydrogen, lower alkyl having 1 to 6 carbons, or substituted or unsubstituted aryl or a five- or six-membered heterocyclic ring;
A is -COOR⁸ (wherein R⁸ is hydrogen, lower alkyl having 1 to 6 carbons, substituted or unsubstituted aralkyl, or substituted or unsubstituted aryl), or -CH₂OR⁹ (wherein R⁹ is hydrogen, lower alkyl having 1 to 6 carbons, lower alkenyl having 2 to 6 carbons, acyl or substituted or unsubstituted aralkyl);
and the pharmaceutically acceptable salts and the hydrates thereof, and the method of producing the same, which comprises reacting, in the presence of a base, a compound of the general formula (III)
wherein R, R¹, R², R³, R⁴, and R⁵ are as defined above;
with a compound of the general formula (IV)
wherein R⁶ and R⁷ are as defined above, and X is halogen, and R¹⁰ is lower alkyl having 1 to 6 carbons, substituted or unsubstituted aralkyl, or substituted or unsubstituted aryl; and
hydrolyzing, if necessary, the resulting carboxylic ester.
通式(I)代表的吲哚衍生物
其中 R 是氢、1-6 个碳的低级烷基、羧甲基或取代或未取代的芳烷基;
R¹、R²、R³ 和 R⁴ 可以彼此相同或不同,并且是氢、卤素、1-6 碳的低级烷基、1-6 碳的低级烷氧基、酰基、取代或未取代的氨基、硝基、羟基、酰氧基、取代或未取代的烷基、取代或未取代的芳氧基、取代或未取代的烷氧基,或者 R² 和 R³ 的组合可以是亚甲基二氧基;
R⁵ 是氢、含 1-6 个碳的低级烷基或取代或未取代的芳烷基;
R 和 R⁴ 或 R¹ 和 R⁵ 可共同形成一个由亚甲基链构成的六元环,该亚甲基链可包含一个杂原子;
R⁶ 和 R⁷ 可以彼此相同或不同,并且是氢、含 1 至 6 个碳原子的低级烷基、取代或未取代的芳基或五元或六元杂环;
A是-COOR⁸(其中R⁸是氢、1-6个碳的低级烷基、取代或未取代的芳基或取代或未取代的芳基),或-CH₂OR⁹(其中R⁹是氢、1-6个碳的低级烷基、2-6个碳的低级烯基、酰基或取代或未取代的芳基);
及其药学上可接受的盐和水合物,以及生产上述物质的方法,包括在碱存在下,使通式 (III) 的化合物发生反应
其中 R、R¹、R²、R³、R⁴ 和 R⁵ 如上所定义;
通式 (IV) 的化合物
其中 R⁶ 和 R⁷ 如上文所定义,X 为卤素,R¹⁰ 为具有 1 至 6 个碳原子的低级烷基、取代或未取代的芳烷基或取代或未取代的芳基;以及
必要时水解所得到的羧酸酯。