Copper-catalyzed cascade coupling/cyclization of terminal alkynes with diazoacetates: a straightforward route for trisubstituted furans
作者:Lei Zhou、Jiachen Ma、Yan Zhang、Jianbo Wang
DOI:10.1016/j.tetlet.2011.08.060
日期:2011.10
A copper-catalyzedcascade coupling/cyclization of terminal alkynes with α-alkyl substituted diazoesters is developed. This new method furnished a straightforward route for 2,3,5-trisubstituted furan derivatives with good efficiency and selectivity.