4,10-Dihydro-4-oxo-4 H -imidazo[1,2- a ]indeno[1,2- e ]pyrazin-2-carboxylic acid derivatives
摘要:
A novel series of 2-substituted-4,5-dihydro-4-oxo-4H-imidazo[1,2-a]indeno[1,2-e]pyrazine derivatives was synthesised. One of them, 4e-a highly water soluble compound - exhibited a nanomolar affinity and demonstrated competitive antagonist properties at the ionotropic AMPA receptors. This compound also displayed potent anticonvulsant properties against electrically or sound-induced convulsions in mice after systemic administration, thus suggesting adequate brain penetration. (C) 2000 Elsevier Science Ltd. All rights reserved.
A compound of formula (I): ##STR1## wherein R, R.sub.1, R.sub.2, and R.sub.3 are as defined in the application, salts thereof, preparation thereof and drugs containing same.
A novel series of 2-substituted-4,5-dihydro-4-oxo-4H-imidazo[1,2-a]indeno[1,2-e]pyrazine derivatives was synthesised. One of them, 4e-a highly water soluble compound - exhibited a nanomolar affinity and demonstrated competitive antagonist properties at the ionotropic AMPA receptors. This compound also displayed potent anticonvulsant properties against electrically or sound-induced convulsions in mice after systemic administration, thus suggesting adequate brain penetration. (C) 2000 Elsevier Science Ltd. All rights reserved.