Twenty five asymmetric amides of squaric acid and twenty four asymmetric iso squarylium amides which were not reported in references yet are synthesized by N arylnitrogenoxosquaric acid reacting with primary arylamine in 95% ethanol and HOAc.

• 以乙醇等为介质，芳伯胺与7种N－芳基氮氧方酸反应，制得25个不对称的方酰胺和24个不对称的异方酰胺。