tetrakis(triphenylphosphine) palladium(0); lithium bromide in N,N-dimethyl-formamide T=100°C; 2 h; Inert atmosphere;

1: lithium aluminium tetrahydride / diethyl ether / -40 °C 2: potassium phosphate; tris(dibenzylideneacetone)dipalladium(0) chloroform complex; tri-cyclo-hexyl-phosphine / 1,4-dioxane / 14 h / 100 °C / Inert atmosphere View Scheme