Bi(OTf)3 was found to be an effective catalyst for a tandem condensation/cyclization of acyloins and β-diketones or β-keto esters to afford highly substituted furans in good yields.
Bi(OTf)3 被发现是一种有效的催化剂,可用于 acyloins 和
β-二酮或 β-
酮酯的串联缩合/环化,以良好的收率提供高度取代的
呋喃。