Abstract
A mild and efficient method that could directly prepare α-haloacetal acetophenones from various acetophenones with 1,3-dihalo-5,5-dimethylhydantoin (DBDMH/DCDMH) and ethylene glycol in good yields without catalysts was reported. The effects of solvents, 1,3-dihalo-5,5-dimethylhydantoin, and reaction temperature were investigated. Under the optimal condition, most of α-haloacetal acetophenones were obtained in 65–97% yields.
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