6,7-asymmetrically disubstituted quinoxalinecarboxylic acid derivatives, addition salts thereof, and processes for the preparation of both

摘要

The present invention provides 6,7-asymmetrically disubstituted quinoxalinecarboxylic acid compounds and their addition salts, and processes for preparing them, which have antagonism against excitatory amino acid receptors, in particular, an AMPA receptor. The 6,7-asymmetrically disubstituted quinoxalinecarboxylic acid compounds and their addition salts of the present invention are represented by formula (1)wherein Q, R, R1 and R2 are as described in the specification.