ionic liquid immobilized on γ-Fe2O3(at)SiO2 nanoparticles in water T=100°C; Clauson-Kaas Synthesis; 1.66667 h;

copper(II) ferrite; potassium tert-butylate in N,N-dimethyl-formamide T=155°C; 24 h; Inert atmosphere;

1-hydroxy-pyrrolidine-2,5-dione; copper(l) iodide; sodium methylate in dimethyl sulfoxide T=90°C; 12 h;

[Pd(η3-1-Ph-allyl)(μ-Cl)]2; (Mor-DalPhos); ammonia; sodium t-butanolate in 1,4-dioxane T=110°C; 4 h; Inert atmosphere; chemoselective reaction;

iron; acetic acid

dicyclohexyl(2',4',6'-triisopropyl-5-methoxy-3,4,6-trimethyl-[1,1'-biphenyl]-2-yl)phosphine; C50H70NO4PPdS; C50H70NO4PPdS; dicyclohexyl(2',4',6'-triisopropyl-4-methoxy-3,5,6-trimethyl-[1,1'-biphenyl]-2-yl)phosphine; ammonia; sodium t-butanolate in 1,4-dioxane T=80°C; 24 h; Inert atmosphere; Overall yield = 90 percent; Overall yield = 142.6 mg;

1: nitric acid; sulfuric acid 2: aqueous hydrochloric acid; iron View Scheme

1: 92 percent / 0.5 h / 120 °C 2: diphenyl ether / 0.67 h / Heating 3: 78.7 percent / NaOH / H2O; ethanol / 1 h / Heating View Scheme