lt;RuH2(PPh3)4gt; in acetonitrile T=23°C; 0.5 h;

oxygen in tetrahydrofuran T=60°C; aerobic oxidation-Michael addition; P=760.051 Torr; 20 h;

potassium carbonate T=40 - 50°C;

palladium diacetate; p-benozquinone in water; dimethyl sulfoxide Ambient temperatureelectrolysis was used for the oxidation;

C6H4(P(C6H5)2)(B(OCH2)2C(CH3)2) in acetonitrile T=25°C; Michael addition; 3.5 h; Inert atmosphere;

C13H20BO2P in acetonitrile T=25°C; Michael addition; 1 h; Inert atmosphere;

1: copper(I) bromide; diisopropylamine / 1,4-dioxane / 0.17 h / 150 °C / |Microwave irradiation; |Inert atmosphere 2: silver trifluoromethanesulfonate; trimethylsilylazide; trifluoroacetic acid; Au(P(OC6H5)3)Cl / dichloromethane; water / 0 - 20 °C / |Schlenk technique; |Inert atmosphere View Scheme

in acetonitrile T=25°C; Michael addition; 1 h; Inert atmosphere;

methanol