申请人:YOSHITIOMI PHARMACEUTICAL INDUSTRIES, LTD.
公开号:EP0426018A2
公开(公告)日:1991-05-08
Thiophene compounds of the formula:
wherein R¹ is hydrogen, nitro, amino, halogen or C₁₋₄ alkyl; R² is hydrogen, nitro, amino, halogen, C₁₋₄ alkyl, C₁₋₄ haloalkyl, acyl, C₂₋₅ alkoxycarbonyl, C₁₋₄ alkoxy-C₁₋₄ alkyl, aryloxy-C₁₋₄ alkyl, acyloxy-C₁₋₄ alkyl, hydroxy-C₁₋₄ alkyl, acyloxy-C₂₋₅ alkanoyl, C₁₋₄ alkoxy-C₂₋₅ alkanoyl, hydroxy-C₂₋₅ alkanoyl, aryloxy-C₂₋₅ alkanoyl or C₂₋₅ haloalkanoyl; R³ is hydrogen, C₁₋₈ alkyl, hydroxy-C₁₋₄ alkyl, C₂₋₅ alkanoyloxy-C₁₋₄ alkyl, aryl, aryl-C₁₋₄ alkyl, heteroaryl, heteroaryl-C₁₋₄ alkyl or aryl, aryl-C₁₋₄ alkyl, heteroaryl or heteroaryl-C₁₋₄ alkyl substituted by at least one substituent selected from the group consisting of halogen, hydroxy, amino, nitro, cyano, C₁₋₄ alkyl, C₁₋₄ alkoxy, C₂₋₅ alkanoylamino, C₁₋₄ haloalkyl, acyloxy, C₂₋₅ alkoxycarbonyl and carboxyl on the aromatic ring; m is 0, 1 or 2; n is 1 or 2; the bond represented by --- is a single bond or a double bond.
Thiophene compounds (I) are useful as antianxiety drugs, hypnotics, antiepileptic drugs or nootropics. Thiophene compounds ( II ) are useful as intermediates for said thiophene compounds (I).
式中的噻吩化合物:
其中 R¹ 是氢、硝基、氨基、卤素或 C₁₋₄ 烷基;R² 是氢、硝基、氨基、卤素、C₁₋₄ 烷基、C₁₋₄ 卤代烷基、酰基、C₂₋₅ 烷氧基羰基、C₁₋₄ 烷氧基-C₁₋₄ 烷基、芳氧基-C₁₋₄ 烷基、酰氧基-C₁₋₄ 烷基、羟基-C₁₋₄烷基、酰氧基-C₂₋₅ 烷酰基、C₁₋₄烷氧基-C₂₋₅ 烷酰基、羟基-C₂₋₅ 烷酰基、芳氧基-C₂₋₅ 烷酰基或 C₂₋₅ 卤代烷酰基;R³ 是氢、C₁₋₈烷基、羟基-C₁₋₄ 烷基、C₂₋₅烷酰氧基-C₁₋₄ 烷基、芳基、芳基-C₁₋₄ 烷基、杂芳基、杂芳基-C₁₋₄ 烷基或芳基、芳基-C₁₋₄ 烷基、杂芳基或杂芳基-C₁₋₄烷基被至少一个选自卤素、羟基、氨基、硝基、氰基组成的取代基取代、C₁₋₄ 烷基、C₁₋₄ 烷氧基、C₂₋₅烷酰氨基、C₁₋₄ 卤代烷基、酰氧基、C₂₋₅烷氧羰基和芳香环上的羧基;m 是 0、1 或 2;n 是 1 或 2;由----表示的键是单键或双键。
噻吩化合物(I)可用作抗焦虑药、催眠药、抗癫痫药或促智药。噻吩化合物(II)可用作上述噻吩化合物(I)的中间体。