A novel strategy for the synthesis of 2,6-diaryl-1,2-dihydropyridines via 6π-electrocyclization
作者:Zoltán Vincze、Péter Nemes
DOI:10.1016/j.tet.2013.05.013
日期:2013.7
Enaminonitriles with alpha,beta-unsaturated aldehydes in a BF3 center dot OEt2 catalyzed reaction gave stable 1-azatrienes, which could be readily transformed to 1,2-dihydropyridines via 1,6-electrocyclizations. (C) 2013 Elsevier Ltd. All rights reserved.