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.

以邻酸和对乙氧胺为原料,经胺的、二芳胺的环、N-烷、代反应合成了N-丁-2-乙氧代吖啶酮。