The condensation of 6,7-dichloroquinoline-5,8-dione (I) with 4-(2-aminoethyl)morpholine (II) provided a 2:1 mixture of the title 7-amino quinoline and its 6-amino regioisomer (III), which were separated by column chromatography.
The condensation of 6,7-dichloroquinoline-5,8-dione (I) with 4-(2-aminoethyl)morpholine (II) provided a 1:2 mixture of the title 6-amino quinoline and its 7-amino regioisomer (III), which were separated by column chromatography.