Trichloroacetonitrile as a Source of Positive Chlorine Ion for Trapping Huisgen's Zwitterions
作者:Issa Yavari、Samira Nasiri-Gheidari
DOI:10.1002/hlca.201000279
日期:2011.5
The zwitterionic 1 : 1 intermediates generated by addition of N‐heterocycles to activated acetylenes are trapped by trichloroacetonitrile to afford 1,2‐ or 1,4‐disubstituted N‐heterocycles in moderate to good yields under mild reaction conditions.