Reaction of Diaryl-1,2-diones with Triphenylphosphine and Diethyl Azodicarboxylate Leading to <i>N</i>,<i>N</i>-Dicarboethoxy Monohydrazones via a Novel Rearrangement
作者:Vijay Nair、A. T. Biju、K. G. Abhilash、Rajeev S. Menon、Eringathodi Suresh
DOI:10.1021/ol050403+
日期:2005.5.1
[reaction: see text]. A mechanistically novel reaction of diaryl-1,2-diones with diethylazodicarboxylate and triphenylphosphine to afford N,N-dicarboethoxy monohydrazones is described. The reaction proceeds via a nitrogen to nitrogen migration of a carboethoxy group.