Synthesis of Imidazole Derivatives by Cascade Reaction: Base-Mediated Addition/Alkyne Hydroamination of Propargylamines and Carbodiimides
作者:Hong-Wei Jin、Jian-Hong Jia、Chao Yu、Meng Xu、Jia-Wei Ma
DOI:10.1055/s-0034-1378787
日期:——
regioselectivity and moderate to good yields. A novel synthesis of 2-iminoimidazoles and 2-aminoimidazoles, via nucleophilic addition and a subsequent sodium hydroxide mediated intramolecular alkyne hydroamination from propargylamines and carbodiimides, is developed. This transition-metal-free cascade process represents an atom-economic and step-economic procedure for the construction of imidazole derivatives with