The phloroglucinol was synthesized from aniline via bromization,deamination,methoxylation and demethylation.The overall yield is 67.4%.

• 以苯胺为原料；经废氢溴酸溴化、脱胺基、甲氧基化、路易斯酸脱甲基四步合成间苯三酚；总收率为67.；5%25。