[1,2,4]TRIAZOLO[4,3-A]QUINOXALINONE DERIVATIVES, THEIR PREPARATION AND USE

摘要

¢1,2,4!triazolo¢4,3-a!quinoxalinone compounds of general formula (I) wherein R1 is POX'X" or alkyl substituted with COX' or POX'X", and X' and X" independently are hydroxy or alkoxy, and R6, R7, R8 and R9 independently are hydrogen; alkyl; halogen; NH2; NO2; CN; CF3 SO2NY'Y" or COZ' wherein Z' is NY'Y" or alkyl and Y' and Y" independently are hydrogen or alkyl; triazolyl; imidazolyl or imidazolyl substituted with phenyl or alkyl, are useful in the treatment of indications caused by hyperactivity of the excitatory neurotransmitters.