Methyl - and methyl identical quinoxaline - 1,4 - dioxide derivatives, processes for their preparation and pharmaceutical compositions containing these compounds as well as beifuttermittel, feed means concentrates and feedstuffs

摘要

The invention relates to fodder additives, fodder concentrates and fodders with weight gain increasing and fodder utilization improving effects, which contain as active agent a new compound of the general formula (I), IMAGE (I) The invention also relates to a process for the preparation of compounds having the general formula (I) by reacting a compound of the general formula (II), IMAGE (II) wherein Z is oxygen atom or represents two lower alkoxy groups and R1 is as defined above, with a compound of the general formula (III), IMAGE (III) wherein Q, A, B and n are as defined above, and, if desired, converting the resulting compound of the general formula (I) into another compound of the general formula (I) by well-known reactions. The compounds of the general formula (I) are new.