The use of a copper–iron mixed oxide as a heterogeneous catalyst for the efficient synthesis of α-acyloxy-1,4-dioxanes and 1,4-dithianes employing t-butyl peroxyesters is reported. The preparation and characterization of the catalyst are described. The effect of the heteroatoms and a plausible mechanism are discussed. The method is operationally simple and involves low-cost starting materials affording
据报道,使用
铜-
铁混合氧化物作为非均相催化剂,可利用叔丁基过氧酯有效合成α-酰氧基-1,4-
二恶烷和
1,4-二噻烷。描述了催化剂的制备和表征。讨论了杂原子的作用和合理的机理。该方法操作简单,涉及低成本的起始原料,可提供产率高至优异的产物。