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.

以氯苯甲酸和对乙氧基苯胺为原料,经胺的苯基、二芳胺的环、N-烷基、硫应合成了N-丁基-2-乙氧基硫吖啶酮。