Metal-Free [2+2+1] Annulation of Alkynes, Nitriles and Nitrogen Atoms from Iminoiodanes for Synthesis of Highly Substituted Imidazoles
作者:Akio Saito、Yui Kambara、Takuma Yagyu、Keiichi Noguchi、Akira Yoshimura、Viktor V. Zhdankin
DOI:10.1002/adsc.201500032
日期:2015.3.9
Boron trifluoride nitrile complexes promote oxidative [2+2+1] annulations of alkynes, nitriles and N‐atoms from iminoiodanes to give the corresponding 2,4‐disubstituted and 2,4,5‐trisubstituted N‐tosylimidazoles in moderate to good yields with high regioselectivities.