| abstract |
The invention discloses a preparation method of diaryl sulfone, more specifically refers to a preparation method of diaryl sulfone promoted by copper chloride, which is characterized in that it comprises the following steps: using aryl sulfinate as raw material , in an alcohol solvent, under the action of copper chloride, aryl sulfinate undergoes desulfurization coupling reaction to synthesize diaryl sulfone. The present invention does not need any ligand and protection of inert gas, and can obtain the diaryl sulfone with a yield of 96%. |