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.

以甲酸和对乙氧基胺为原料,经胺的基、二芳胺的环、N-烷基、反应合成了N-丁基-2-乙氧基吖啶酮。