Unprecedented divergent annulations of o-hydroxyarylenaminones promoted by TBN have been established under mild conditions, and two types of benzo-oxa-heterocycle were smoothly assembled with a broad substrate scope and good functional group compatibility.
TBN促进的前所未有的
氧化氢基芳胺酮的分歧环化反应已在温和条件下建立,两种苯-氧杂环已成功组装,具有广泛的底物范围和良好的官能团兼容性。