1: sodium carbonate; water; methanol 2: hydrochloric acid; water View Scheme

tris-(dibenzylideneacetone)dipalladium(0); sodium t-butanolate; [(t-Bu)3PH]BF4 in toluene T=100°C; 24 h; Inert atmosphere;

[Rh(pentamethylcyclopentadienyl)(MeCN)3](SbF6)2; acetic anhydride in 1,2-dichloro-ethane T=110°C; 20 h; Inert atmosphere;

zinc(II) chloride T=220 - 230°C;

copper; sodium carbonate; nitrobenzene T=220°C; Erwaermen des Reaktionsprodukts mit Eisessig und wenig konz.Schwefelsaeure.;

tris-(dibenzylideneacetone)dipalladium(0); lithium tert-butylate; dicyclohexyl(2',6'-diisopropoxy-[1,1'-biphenyl]-2-yl)phosphine in 1,4-dioxane; water T=110°C; 12 h; Microwave irradiationInert atmosphere;

1: toluene-4-sulfonic acid / methanol / 6 h / 60 °C / |Inert atmosphere 2: tris-(dibenzylideneacetone)dipalladium(0); dicyclohexyl(2',6'-diisopropoxy-[1,1'-biphenyl]-2-yl)phosphine; lithium tert-butylate / water; 1,4-dioxane / 12 h / 110 °C / |Microwave irradiation; |Inert atmosphere View Scheme