PYRIDO(1,2,3-DE)QUINOXALINE DERIVATIVES, PROCESS FOR PREPARING THE SAME AND THEIR USE IN MEDICAMENTS

摘要

Pyrido¢1,2,3-de!quinoxaline derivatives of formula I <IMG> (I), in which R1, R2 and R3 each mean hydrogen, -POXY, halogen or -COR, R4 means hydrogen or OH, R5, R6 and R7 are the same or different and mean hydrogen, halogen, nitro, NR12R13, cyano, CF3, C1-6 alkyl, C1-4 alkoxy, or R5 and R6 or R6 and R7 represent a fused benzene ring, and means a single or double bond, are described as well as their production and use in pharmaceutical agents.