申请人:Nippon Chemiphar Co., Ltd.
公开号:US06150363A1
公开(公告)日:2000-11-21
Dihydrophenazinecarboxylic acid derivatives of the formula (I) wherein R.sup.1 represents hydrogen, linear or branched alkyl, etc., each of R.sup.2 and R.sup.3 represents hydrogen, 3-methyl-2-butenyl, etc., and each of R.sup.4 and R.sup.5 represents hydrogen, alkyl, alkenyl, aralkyl, aryl, hydroxyl, alkoxy, aryloxy, aralkyloxy, halogen, nitro, cyano, alkylsulfonyl, arylsulfonyl, alkylcarbonyl, arylcarbonyl, etc., provided that there is no case that both of R.sup.4 and R.sup.5 are hydrogen. The dihydrophenazinecarboxylic acid derivatives are excellent in the inhibition of glutamic acid toxicity. ##STR1##
二氢苯并吡嗪羧酸衍生物的化学式(I),其中R.sup.1代表氢、直链或支链烷基等,R.sup.2和R.sup.3各自代表氢、3-甲基-2-丁烯基等,R.sup.4和R.sup.5各自代表氢、烷基、烯基、芳基烷基、芳基、羟基、烷氧基、芳氧基、芳基烷氧基、卤素、硝基、氰基、烷基磺酰基、芳基磺酰基、烷基羰基、芳基羰基等,前提是R.sup.4和R.sup.5中没有两者都是氢。这些二氢苯并吡嗪羧酸衍生物在抑制谷氨酸毒性方面表现出色。