2,3,4,6-tetrasubstituted phenol derivative and preparation method thereof

The invention discloses a 2,3,4,6-tetrasubstituted phenol derivative, the structure of which is as shown in formula (I). The invention further discloses a preparation method of 2,3,4,6-tetrasubstituted phenol derivative, at room temperature and under the protection of nitrogen, the 2,3,4,6-tetrasubstituted phenol derivative is synthesized in the presence of alkali by using an eneyne ester compound and a 1,3-dicarbonyl compound as raw materials and using ferric salt as a catalyst. The preparation method provided by the invention has the positive effects of having low cost and mild reaction conditions, being environment-friendly, and the like.