Cu(I)-mediated cycloaddition reaction of zirconacyclopentadienes with fumaronitrile and application for synthesis of monocyano-substituted pentacenes

Article abstract of DOI:10.1016/j.tetlet.2007.07.075

Cu(I)-mediated reactions of zirconacyclopentadienes with fumaronitrile afforded the corresponding dicyanocyclohexadiene and benzonitrile derivatives in good yields. These products were selectively prepared by controlling the reaction temperature. Furtherm