T=160°C; 10 h; Inert atmosphere;

1: With nickel diacetate; tri-cyclo-hexyl-phosphine in tetrahydrofuran T=70°C; 8 h; Schlenk techniqueMolecular sieveInert atmosphere; 2: With 1,1,3,3-tetramethyldisiloxane in tetrahydrofuran T=70°C; 16 h; Inert atmosphereSchlenk technique;

C24H38OOsP2; potassium hydroxide in toluene T=150°C; 24 h; Inert atmosphere;

isopropyl alcohol in diethylene glycol dimethyl ether 3 h; Ambient temperature;