The target compound was synthesized from N-benzyl protected aminoacetophenone through hydrogenation,benzoylation and reduction.

以氮-苄基保护胺基酮，经氢化，甲酰化，还三步合甲酰沙丁胺醇。

Xanthone was efficiently synthesized from o-chlorobenzoic acid first by etherization and then by Friedel-Crafts reaction in the presence of aluminium trichloride.

以邻氯甲酸,先进行醚化,再在三氯化铝的作用下进行傅-克反应,可简洁、高效的合呫吨酮。

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基胺,经过胺的基化、二芳胺的环化、N-烷基化、硫代化反应合了N-丁基-2-乙氧基硫代吖啶酮。