tris-(dibenzylideneacetone)dipalladium(0); triphenylphosphine; silver(l) oxide in 1,4-dioxane T=90°C; 24 h; Inert atmosphereSchlenk techniqueSealed tube;

1.1: methanol / 20 °C / |Inert atmosphere 2.1: sodium hydride / toluene; mineral oil / 1 h / 20 °C / |Inert atmosphere; |Schlenk technique 2.2: 12 h / 110 °C / |Inert atmosphere; |Schlenk technique; |Sealed tube 3.1: potassium hydroxide; Pd[P(t-Bu3)]2 / 1,4-dioxane; water / 6 h / 25 °C / |Inert atmosphere; |Sealed tube 4.1: triphenylphosphine; silver(l) oxide; tris-(dibenzylideneacetone)dipalladium(0) / 1,4-dioxane / 24 h / 90 °C / |Inert atmosphere; |Schlenk technique; |Sealed tube View Scheme

1.1: sodium hydride / toluene; mineral oil / 1 h / 20 °C / |Inert atmosphere; |Schlenk technique 1.2: 12 h / 110 °C / |Inert atmosphere; |Schlenk technique; |Sealed tube 2.1: potassium hydroxide; Pd[P(t-Bu3)]2 / 1,4-dioxane; water / 6 h / 25 °C / |Inert atmosphere; |Sealed tube 3.1: triphenylphosphine; silver(l) oxide; tris-(dibenzylideneacetone)dipalladium(0) / 1,4-dioxane / 24 h / 90 °C / |Inert atmosphere; |Schlenk technique; |Sealed tube View Scheme

hydrogen; acetic acid; Pd-BaSO4 in benzene

1: (i) LiAlH4, (ii) (pyrolysis) 2: H2, AcOH / Pd/BaSO4 / benzene View Scheme

1: potassium hydroxide; Pd[P(t-Bu3)]2 / 1,4-dioxane; water / 6 h / 25 °C / |Inert atmosphere; |Sealed tube 2: triphenylphosphine; silver(l) oxide; tris-(dibenzylideneacetone)dipalladium(0) / 1,4-dioxane / 24 h / 90 °C / |Inert atmosphere; |Schlenk technique; |Sealed tube View Scheme

dicarbonyl(η5-cyclopentadienyl)iron dimer (I) in benzene T=15 - 20°C; Irradiation; Yield given. Yields of byproduct given;

styrene; hydrogenchloride; acetic acid; mercury; zinc 2 h; Heating; Further byproducts given;

hydrogenchloride; acetic acid; mercury; zinc 2 h; Heating; Further byproducts given;

styrene; hydrogenchloride; mercury; zinc 2 h; Heating; Further byproducts given;