N butyl 2 ethoxy thioacridone was prepared from o chloro benzoic acid and p phenetidine by means of Ullman reaction,cyclization,N alkylation and sulfurization.

以邻氯苯甲酸氧基苯胺为原料,经胺苯基、二芳胺、N-烷基、硫代反应合成了N-丁基-2-氧基硫代吖啶酮。