title: Ruthenium-catalyzed allylation-cyclization reactions of cyclic 1,3-dicarbonyl compounds with 1-vinyl propargyl alcohols.
abstract: Ruthenium-catalyzed allylation-cyclization reactions of cyclic 1,3-dicarbonyl compounds with 1-vinyl propargyl alcohols that lead to diverse carbo- or heterocyclic products in a one-pot cascade process are reported. These mechanistically distinct reactions are catalyzed by a single ruthenium(0) complex that contains a redox-coupled dienone ligand. The reaction pathway strongly depends on the substrate substitution pattern, which determines the mode of activation of the 1-vinyl propargyl alcohol. The environmentally benign process, which generates water as the only waste product, is of wide scope and allows the atom-economic synthesis of highly functionalized furans, pyrans, and spirocarbocycles.
authors.affiliation: Institut für Chemie, Otto-von-Guericke-Universität Magdeburg, Universitätsplatz 2, 39106 Magdeburg, Germany.
authors.forename: Anita
authors.initials: A
authors.lastname: Jonek
authors.forename: Stefanie
authors.initials: S
authors.lastname: Berger
authors.forename: Edgar
authors.initials: E
authors.lastname: Haak