CuCl-catalyzed cycloaddition of 1,3-butadiynes with primary amines: an atom-economic process for synthesis of 1,2,5-trisubsituted pyrroles
作者:Qingwei Zheng、Ruimao Hua
DOI:10.1016/j.tetlet.2010.06.092
日期:2010.8
1,3-Butadiynes underwent inter- and intramolecular double hydroamination with primaryamines in the presence of CuCl at 100 °C to afford 1,2,5-trisubsituted pyrroles in good to high yields.