efficient and practical protocol for visible-light-induced decarboxylative cyclization of 2-alkenylarylisocyanides with α-oxocarboxylic acids has been developed, which afforded a broad range of 2-acylindoles in moderate to good yields. The reaction proceeds through a cascade of acyl radical addition/cyclization reactions under irradiation of an Ir3+ photoredox catalyst without external oxidants and
已经开发出一种有效和实用的方案,用于用α-氧代
羧酸在可见光下诱导2-烯基芳基
异氰酸酯的脱羧环化反应,从而以中等到良好的产率提供了范围广泛的2-酰化
吲哚。该反应在没有外部氧化剂的Ir 3+光氧化还原催化剂的照射下通过酰基自由基加成/环化反应的级联进行,并且具有操作简单,可扩展性,广泛的底物范围和良好的官能团耐受性等特征。