申请人:NIPPON CHEMIPHAR CO., LTD.
公开号:EP0945444A1
公开(公告)日:1999-09-29
Dihydrophenazinecarboxylic acid derivatives of the formula (I) wherein R1 represents hydrogen, linear or branched alkyl, etc., each of R2 and R3 represents hydrogen, 3-methyl-2-butenyl, etc., and each of R4 and R5 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 R4 and R5 are hydrogen. The dihydrophenazinecarboxylic acid derivatives are excellent in the inhibition of glutamic acid toxicity.
式(I)的二氢
吩嗪羧酸衍
生物 其中 R1 代表氢、直链或支链烷基等,R2 和 R3 各自代表氢、3-甲基-
2-丁烯基等、R4和R5各自代表氢、烷基、烯基、芳基、芳烷基、羟基、烷氧基、芳氧基、芳烷氧基、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,但R4和R5不能同时为氢。二氢
吩嗪羧酸衍
生物在抑制谷
氨酸毒性方面效果极佳。