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.

以邻氯甲酸和对乙氧原料,经的、芳的环、N-烷、硫代反应合成了N-丁-2-乙氧硫代吖啶酮。