A Domino Reaction of α,β-Acetylenic γ-Hydroxy Nitriles with Arenecarboxylic Acids: An Unexpected Facile Shortcut to 4-Cyano-3(2<i>H</i>)-furanones
作者:Boris A. Trofimov、Olesya A. Shemyakina、Anastasiya G. Mal’kina、Igor’ A. Ushakov、Olga N. Kazheva、Grigorii G. Alexandrov、Oleg A. Dyachenko
DOI:10.1021/ol1011532
日期:2010.7.16
67−86% yield. The reaction is triggered by the addition of an arenecarboxylic acid to a triple bond, followed by the domino reaction sequence: intramolecular transesterification−enol formation and Claisencondensation of the ketoacetonitrile tautomer with ester functional group.