The cyclodimerization reaction of N-substituted-5-hydroxy-pyrrolydinones promoted by BF3·Et2O and HCl to obtain symmetrical 1,4-dioxane derivatives was achieved in moderate to good yields, mild conditions, and short reaction times. These transformations render a promising alternative route that provides access to diverse 1,4-dioxane derivatives with a wide structural diversity.
以中等至良好的收率,温和的条件和较短的反应时间,实现了由BF 3 ·Et 2 O和HCl促进的N-取代的5-羟基-
吡咯烷
酮类的环二聚反应,以得到对称的1,4-
二恶烷衍
生物。这些转变提供了一种有前途的替代途径,该途径提供了获得具有广泛结构多样性的多种1,4-
二恶烷衍
生物的途径。