A glutamic acid receptor agonist which comprises as the active ingredient sulfonamide derivatives represented by general formula (I) or pharmaceutically acceptable salts thereof wherein A represents naphthyl, pyridyl, phenyl optionally having 1 to 5 substituents selected from the group consisting of halogeno, C1-4 alkyl, C1-4 alkoxy, nitro and acetamido, or C¿1-20 alkyl; B represents C¿1-3 alkylene, -OCH2- or -CH=CH-; X and Y are the same or different and each represents hydrogen or fluoro; R represents carboxy, C2-5 alkoxycarbonyl, hydroxymethyl or (a) (wherein R1 represents hydrogen or C1-3 alkyl; and R2¿ represents hydrogen, hydroxy, C1-3 alkyl, carboxymethyl or C¿3-6 alkoxycarbonyl); m represents an integer of 0 to 2 and n represents an integer of 0 to 3. The agonist is efficatious in the prevention and treatment of nerve degeneration in morbid conditions.
一种谷
氨酸受体激动剂,其活性成分包括通式(I)所代表的磺
酰胺衍
生物或其药学上可接受的盐 其中A代表
萘基、
吡啶基、
苯基,可任选具有1至5个取代基,这些取代基选自由卤素、C1-4烷基、C1-4烷
氧基、硝基和乙酰
氨基或C¿1-20烷基组成的组;B代表C¿1-3亚烷基、-OCH2-或-CH=CH-;X和Y相同或不同,各自代表
氢或
氟;R代表羧基、C2-5烷
氧基羰基、
羟甲基或(a)(其中R1代表
氢或C1-3烷基;R2¿代表
氢、羟基、C1-3烷基、羧
甲基或C¿3-6烷
氧基羰基);m代表0至2的整数,n代表0至3的整数。该激动剂对预防和治疗病态情况下的神经变性具有疗效。