tris-(dibenzylideneacetone)dipalladium(0); 2-(dicyclohexylphosphino)-2',4',6'-tri-i-propyl-1,1’-biphenyl in 1,4-dioxane T=110°C; 0.5 h; Inert atmosphere;

1: sulfuric acid / 0 °C / |Reflux 2: triethylamine / dichloromethane / 0 - 20 °C / |Inert atmosphere 3: tris-(dibenzylideneacetone)dipalladium(0); 2-(dicyclohexylphosphino)-2',4',6'-tri-i-propyl-1,1’-biphenyl / 1,4-dioxane / 0.5 h / 110 °C / |Inert atmosphere View Scheme

1: triethylamine / dichloromethane / 0 - 20 °C / |Inert atmosphere 2: tris-(dibenzylideneacetone)dipalladium(0); 2-(dicyclohexylphosphino)-2',4',6'-tri-i-propyl-1,1’-biphenyl / 1,4-dioxane / 0.5 h / 110 °C / |Inert atmosphere View Scheme