[C:1]1([S:7][C:8]2[CH:13]=[CH:12][C:11]([OH:14])=[CH:10][CH:9]=2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[CH3:15][O:16][CH2:17][CH2:18]Cl.C(=O)([O-])[O-].[K+].[K+].CN(C=O)C>C1(C)C=CC=CC=1.O>[C:1]1([S:7][C:8]2[CH:13]=[CH:12][C:11]([O:14][CH2:18][CH2:17][O:16][CH3:15])=[CH:10][CH:9]=2)[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=1A solution was prepared by combining 10 g of 4-hydroxyphenyl phenyl sulfide which had been synthesized according to the well-known formulation, 5 g of 2-chloroethyl methyl ether, 7.4 g of potassium carbonate, and 20 g of DMF. The solution was aged at 80° C. for 16 hours. The aged solution was cooled to room temperature, to which 20 g of water was added to quench the reaction. To the solution, 40 g of toluene was added for extraction. The organic layer was separated and washed with sodium hydroxide aqueous solution and water in sequence. The organic layer was concentrated in vacuum, obtaining 13 g of the target compound, 4-(2-methoxyethoxy)phenyl phenyl sulfide as oily matter. Yield 93%.
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