Thio acid-mediated conversion of azides to amides – Investigation of 2-azidotetrahydobenzimidazoles and derivatives
作者:Lawton A. Seal、Olatunji S. Ojo、Delphine Gout、Carl J. Lovely
DOI:10.1016/j.tetlet.2020.152484
日期:2020.11
investigation of the thio acid-azide coupling reaction to afford amides is reported employing 2-azidotetrahydrobenzimidazoles and the corresponding spiro fused 2-azidoimidazolones. The tetrahydrobenzimidazole derivatives react as expected to produce the analogous amides, whereas the imidazolones result in the formation of the thiohydantoin derivatives. The thiohydantoins appear to result from an addition elimination
报道了使用2-叠氮基四氢苯并咪唑和相应的螺稠的2-叠氮基咪唑酮对硫氰酸-叠氮化物偶联反应提供酰胺的研究。四氢苯并咪唑衍生物按预期反应生成类似的酰胺,而咪唑酮则导致硫代乙内酰脲衍生物的形成。硫代乙内酰脲似乎是由附加消除途径引起的。