Facile synthesis of aza-spirocyclopropanyl oxindoles by the reaction of 3-(2-bromoethyl)-indole with 2,3-dimethylimidazole-1-sulfonyl azide triflate
作者:Mei-Hua Shen、Ke Xu、Chu-Han Sun、Hua-Dong Xu
DOI:10.1039/c5ob02192h
日期:——
3-(2-Bromoethyl)indole reacts with 2,3-dimethylimidazole-1-sulfonyl azide triflate and then with an alcohol or amine to afford the corresponding aza-spirooxindole sulfonate and sulfonamide.