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With [bis(acetoxy)iodo]benzene; chloroformic acid ethyl ester In 1,2-dichloro-ethane at 50℃; for 3 h;
General procedure: To an 8 mL dram vial was added iodobenzene diacetate (0.6 mmol, 1.5 equiv), and heteroarene(0.4 mmol, 1 eq.), anhydrous dichloroethane (1 mL), then chloride source (5 equiv). The solutionwas allowed to stir (1000 rpm) at 50 °C for the indicated amount of time. After which the solutionwas washed with saturated sodium bicarbonate, followed by saturated sodium thiosulfate andconcentrated. The crude mixture was then purified by column chromatography.