An efficient Synthesis of quinoxalino[2,1-b]quinazoline-6,12(5H)-diones with N-(2-carboxyphenyl) oxalamides in the reaction with arylamines and 1,2-benzenediamines in the present of BF3.SiO2 as a catalyst in deep eutectic solvent (N-phenyliminodiacetic acid: choline chloride (2:1 mol ratio)).