Cycloisomerization of Conjugated Trienones and Isomeric 2<i>H</i>-Pyrans: Unified Strategy toward Cyclopenta[<i>b</i>]furans
作者:Martín J. Riveira、Gastón N. Quiroga、Ernesto G. Mata、Vincent Gandon、Mirta P. Mischne
DOI:10.1021/acs.joc.5b00818
日期:2015.6.19
Conjugated trienones and isomeric 2H-pyrans were found to engage in a novel cycloisomerization cascade toward cyclopenta[b]furan derivatives. Knoevenagel chemistry and pericyclic reactions meet again to expand the polyene-carbonyl manifold.