A simple method for the synthesis of α-γ-disubstituted-γ-butyrolactones by cyclization of α-allyl esters using iodine in dimethylsulphoxide is reported. This method is efficient and operationally simple in comparison to methods using transition metal complexes.
报告了一种简单的方法,通过使用
碘在二甲基亚
硫酰胺中对α-烯丙基酯进行环化,合成α-γ-二取代-
γ-丁内酯。与使用过渡
金属复合物的方法相比,该方法既高效又操作简单。