A selective one-pot procedure to access 8-, 9-, and 10-membered polyoxacycles bearing ester functions was elaborated. The procedure involved the copper-promoted reactions of cyclic acetals with ethyl 2-diazo-3-oxobutanoate to give the target compounds in yields up to 99%.
详细阐述了一种选择性的一锅程序,以访问带有酯功能的 8、9 和 10 元聚氧杂
环己烷。该过程涉及
铜促进的环状
缩醛与 2-重氮-
3-氧代丁酸乙酯的反应,以高达 99% 的产率得到目标化合物。