Novel N-substituted azaheterocyclic carboxylic acids and esters thereof in which an ether group forms part of the N-substituent, the compounds thus having the general formula I
wherein R¹ and R² are the same or different and each represents phenyl, 2-thienyl or 3-thienyl, 2-pyrrolyl or 3-pyrrolyl, substituted with one or more substituents selected among the following atoms or groups: hydrogen, halogen, C₁₋₆-alkyl, C₁₋₆-alkoxy or cyano; R³ and R⁴ each represents hydrogen or together represent a bond; m is 1 or 2 and n is 1 when m is 1 and n is 0 when m is 2; R⁵ and R⁶ each represents hydrogen or may - when m is 2 - together represent a bond, and R⁷ is OH or C₁₋₈-alkoxy, p is 0 or 1 or 2, q is 0 or 1 or 2, R⁸ is H and C₁₋₄-alkyl, are potent inhibitors of GABA uptake from the synaptic cleft.
新型 N-取代杂杂
环羧酸及其酯,其中醚基构成 N-取代基的一部分,这些化合物具有通式 I
其中 R¹ 和 R² 相同或不同,各自代表苯基、2-
噻吩基或 3-
噻吩基、2-
吡咯基或 3-
吡咯基,被选自下列原子或基团中的一个或多个取代基取代:氢、卤素、C₁₋₆-烷基、C₁₋₆-烷氧基或
氰基;R³ 和 R⁴ 各自代表氢或共同代表键;m 为 1 或 2 时,n 为 1,m 为 2 时,n 为 0;R⁵ 和 R⁶ 各自代表氢或可 - 当 m 为 2 时 - 共同代表键,且 R⁷ 是 OH 或 C₁₋₈ 烷氧基、p 是 0 或 1 或 2,q 是 0 或 1 或 2,R⁸ 是 H 和 C₁₋₄-烷基。