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[摘要]：An efficient chlorination of beta-keto esters, 1,3-diketones, and alkenes was performed conveniently with concentrated HCl in the presence of PhIO, selectively giving alpha-chloro-beta-keto esters, 2-chloro-1,3-diketones, and 1,2-dichloroalkanes, respectively. It was suggested that the chlorination took place with (dichloroiodo) benzene generated in situ. A selective anti-addition was observed in the chlorination of indene. |
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