Room Temperature Hydroamination of <i>N</i>-Alkenyl Ureas Catalyzed by a Gold(I) <i>N</i>-Heterocyclic Carbene Complex
作者:Christopher F. Bender、Ross A. Widenhoefer
DOI:10.1021/ol062107i
日期:2006.11.9
[Structure: see text] Treatment of an N-4-pentenyl or N-5-hexenyl urea with a catalytic 1:1 mixture of a gold(I) N,N-diaryl imidazol-2-ylidine complex and AgOTf at or near roomtemperature leads to intramolecular exo-hydroamination to form the corresponding nitrogen heterocycle in excellent yield.