Nove [3 + 2] radical annulations of cyano-substituted aryl radicals with alkynes

Article abstract of DOI:10.1016/S0040-4039(98)00220-2

New radical annulation reactions are described involving addition of ortho-cyano-substituted aryl radicals to alkynes. Addition of the aryl radical to the C-C triple bond gives rise to a vinyl radical, whose cyclisation onto the carbon atom of the nitrile